Answer:
A, C
Step-by-step explanation:
He had to choose between band and chorus.
He had to choose between painting, ceramics, and drama.
Trust
Answer:
A & C
Step-by-step explanation:
The ratio of yellow houses to white houses on a street is 18 to 26.
Simplify the ratio.
Enter your answer by filling in the boxes.
to
Answer: The ratio 18:26 simplified is 9:13.
Step-by-step explanation:
To simplify the ratio 18:26, we find the greatest common divisor of 18 and 26, and then we divide 18 and 26 by the greatest common divisor.
The greatest common divisor that you can use to simplify 18:26 is 2. Which means the answer to ratio 18:26 simplified is: 9:13
Answer:9/13
explanation: k12
Angelica’s bouquet of a dozen roses contains 5 white roses. The rest of the roses are pink. What fraction of the bouquet is pink roses? There are 12 roses in a dozen.
StartFraction 5 Over 12 EndFraction
StartFraction 7 Over 12 EndFraction
StartFraction 5 Over 7 EndFraction
StartFraction 7 Over 5 EndFraction
Answer:
b) 7 over 12 or (7/12)
Step-by-step explanation:
The number of white roses = 5
Therefore,
The number of pink roses= 12-5
= 7
So the fraction will be
Pink roses/ total roses
= 7/12
Answer:
7/12
Step-by-step explanation:
If there are 12 in total then it is the denominator. They are looking for the pink rose so if there is 5 white roses u subtract 12 by 5
Hope this explains it well
What is the midpoint of -2 and 12
Answer:
5
Step-by-step explanation:
-2 and 12 are 14 whole numbers apart.
14/2 = 7
12 - 7 = 5
This isn't the most technical way to do this problem, but its easy and correct.
I need help with this math
Answer:
500 and 4.3
Step-by-step explanation:
A decigram is one-tenth of a gram and a kilometer is one-thousandth of a meter. Using this information, we must multiply the given amounts by the values.
5000 × 0.1 = 500
4300 × 0.001 = 4.3
Thus, the answers [in order] are 500 and 4.3
Hope this helps and feel free to ask any questions.
Which unit rate corresponds to the proportional relationship shown in the graph?
The required slope of the graph is 5/4.
What is Slope?The steepness or incline of a line is determined using the slope formula. The slope of the lines is determined using the x and y coordinates of the lines. It is the proportion of the y-change axis's to the x-change. axis's
How to find slope?The slope of a line is a measure of how steep the line is and it is also commonly referred to as the "rise over run". You can find the slope of a line using the following formula:
m = (y2 - y1) / (x2 - x1)
Where m is the slope, (x1, y1) and (x2, y2) are two points on the line. The formula calculates the change in the y-coordinate (the rise) divided by the change in the x-coordinate (the run) between the two points.
According to question:We have,
Two points
(0, 0) and (8, 10)
Slope = \(\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\)
= (10 - 0)/(8 - 0)
= 10/8
= 5/4
Thus, required sloe is 5/4.
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help me pls this is hard
Answer:
the 40th number in the pattern is 9
suppose that there are 5 children in a gymnastics class. one day, they count the number of steps each persontakes while walking on their hands until they lose balance and come down. the results are: ashley (20),brittany (8), carol (22), darla (26), and erica (24).the mean number of steps these children took whilewalking on their hands is 20 steps.
The population is the number of children in gymnastic class = 5.
A parameter is the mean number of steps taken by the 5 children.
What is a parameter?
Four parameters, referred to as hybrid or h Parameters, can be used to assess any linear circuit with input and output terminals. These parameters are one measured in ohm, one in mho, and two dimensionless. Hybrid is short for "mixed." These parameters are referred to as hybrid parameters since they have dual dimensions
Here, we have
Given that,
Suppose that there are 5 children in a gymnastics class.
One day, they count the number of steps each person takes while walking on their hands until they lose balance and come down.
The mean number of steps these children took while walking on their hands is 20 steps.
We have to find the population and parameters.
The area of interest is a particular gymnastic class, therefore all individuals or children belonging to this particular gymnastic class make up the population.
Population = number of children in gymnastic class = 5.
Parameter = mean number of steps taken by the 5 children.
Hence, Population is the number of children in gymnastic class = 5.
A parameter is the mean number of steps taken by the 5 children.
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14 points! PLEASE HELP!!!
Step-by-step explanation:
I just did in the other posting. how often did you post it ?
this is a trick question. the triangle at the top is not an isoceles triangle.
we use Pythagoras for an the steps.
so, the left part of the baseline (split by the height) is calculated by
12² = 10² + part²
144 = 100 + part²
part = sqrt(44) = 6.633249581... ft
the other part is then
20 - 6.633249581... = 13.36675042... ft
and the second leg of the large triangle is
leg² = 10² + 13.36675042...² = 278.6700168...
leg = 16.69341238... ft
P = 12 + 16.69341238... + 8 + 8 + 20 = 64.69341238... ft ≈
≈ 64.69 ft
please see the answer to the other posting for more details.
Find the smallest whole number by which 16087 should be multiplied or divided to get a perfect square
There is no whole number by which you can multiply or divide 16087 to make it a perfect square.
To determine by which number you should multiply or divide 16087 to make it a perfect square, we can analyze its prime factorization. The prime factorization of 16087 is 13 × 1237.
In order to make 16087 a perfect square, we need each prime factor to have an even exponent. However, when we examine the prime factors of 16087, we find that both 13 and 1237 have an exponent of 1.
To make the exponents even, we need to multiply or divide 16087 by additional prime factors and their respective exponents. However, since 16087 is a product of two prime numbers (13 and 1237), we cannot introduce any additional prime factors to make the exponents even.
A perfect square is a number that can be expressed as the product of two equal factors. In the case of 16087, it cannot be transformed into a perfect square by multiplying or dividing by any whole number. The prime factors 13 and 1237 remain with an exponent of 1 each, indicating that there is no integer that can be applied to make them equal and convert 16087 into a perfect square.
Therefore, there is no whole number by which you can multiply or divide 16087 to make it a perfect square.
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in the xy plane above, the circle has center (h,k) and radius 10. What is the value of k?
Since the circle is abοve the x-axis (as it passes thrοugh (4,0) and (20,0)), we have k = 6.
What is Geοmetry?In mathematics, geοmetry is the branch οf mathematics cοncerned with the study οf shapes, sizes, relative pοsitiοns οf οbjects, and the prοperties οf space. It includes tοpics such as pοints, lines, angles, planes, curves, and surfaces, amοng οthers.
Since the circle has center (h,k) and radius 10, we can write its equatiοn as: (x - h)² + (y - k)² = 10²
We are alsο given that the circle passes thrοugh the pοints (4,0) and (20,0). We can use this infοrmatiοn tο set up a system οf equatiοns:
(4 - h)² + (0 - k)² = 10²
(20 - h)² + (0 - k)² = 10²
Expanding the squares and simplifying, we get:
(h - 4)² + k² = 100
(h - 20)² + k² = 100
Subtracting the first equatiοn frοm the secοnd equatiοn, we get:
(h - 20)² - (h - 4)² = 0
Expanding the squares and simplifying, we get:
h² - 40h + 400 - h² + 8h - 16 = 0
Simplifying further, we get: -32h + 384 = 0
Sοlving fοr h, we get: h = 12
Substituting h = 12 intο either οf the twο equatiοns abοve, we can sοlve fοr k:
(h - 4)² + k² = 100
(12 - 4)² + k² = 100
8² + k² = 100
k² = 36
k = ±6
Since the circle is abοve the x-axis (as it passes thrοugh (4,0) and (20,0)), we have k = 6.
Therefοre, the value οf k is 6.
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Can anyone help please
Answer:
The anwser is B
Step-by-step explanation:
yes, because you need to convert the repeating number into a decimal. In this case, you can assume that x is the fraction form of 0.7 repeating.
A can of beans has surface area 329 cm². Its height is 14 cm. What is the radius of the circular top?
Suppose the given confidence level is 85%, what is the corresponding z critical value?
Keshawn is organizing textbooks on his bookshelf. He has a Spanish textbook, a biology textbook, a history textbook, and a writing textbook. How many different ways can he line the textbooks up on his bookshelf?
Answer: four textbooks
Step-by-step explanation:
Find the sum of the whole number from 1 to 560
Answer:
157080
Step-by-step explanation:
There are numerous ways to do this problem. The most naive one would be to type into your calculator the expression 0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51+52+53+54+55+56+57+58+59+60+61+62+63+64+65+66+67+68+69+70+71+72+73+74+75+76+77+78+79+80+81+82+83+84+85+86+87+88+89+90+91+92+93+94+95+96+97+98+99+100+101+102+103+104+105+106+107+108+109+110+111+112+113+114+115+116+117+118+119+120+121+122+123+124+125+126+127+128+129+130+131+132+133+134+135+136+137+138+139+140+141+142+143+144+145+146+147+148+149+150+151+152+153+154+155+156+157+158+159+160+161+162+163+164+165+166+167+168+169+170+171+172+173+174+175+176+177+178+179+180+181+182+183+184+185+186+187+188+189+190+191+192+193+194+195+196+197+198+199+200+201+202+203+204+205+206+207+208+209+210+211+212+213+214+215+216+217+218+219+220+221+222+223+224+225+226+227+228+229+230+231+232+233+234+235+236+237+238+239+240+241+242+243+244+245+246+247+248+249+250+251+252+253+254+255+256+257+258+259+260+261+262+263+264+265+266+267+268+269+270+271+272+273+274+275+276+277+278+279+280+281+282+283+284+285+286+287+288+289+290+291+292+293+294+295+296+297+298+299+300+301+302+303+304+305+306+307+308+309+310+311+312+313+314+315+316+317+318+319+320+321+322+323+324+325+326+327+328+329+330+331+332+333+334+335+336+337+338+339+340+341+342+343+344+345+346+347+348+349+350+351+352+353+354+355+356+357+358+359+360+361+362+363+364+365+366+367+368+369+370+371+372+373+374+375+376+377+378+379+380+381+382+383+384+385+386+387+388+389+390+391+392+393+394+395+396+397+398+399+400+401+402+403+404+405+406+407+408+409+410+411+412+413+414+415+416+417+418+419+420+421+422+423+424+425+426+427+428+429+430+431+432+433+434+435+436+437+438+439+440+441+442+443+444+445+446+447+448+449+450+451+452+453+454+455+456+457+458+459+460+461+462+463+464+465+466+467+468+469+470+471+472+473+474+475+476+477+478+479+480+481+482+483+484+485+486+487+488+489+490+491+492+493+494+495+496+497+498+499+500+501+502+503+504+505+506+507+508+509+510+511+512+513+514+515+516+517+518+519+520+521+522+523+524+525+526+527+528+529+530+531+532+533+534+535+536+537+538+539+540+541+542+543+544+545+546+547+548+549+550+551+552+553+554+555+556+557+558+559+560 and you will get 157080.
Or, you could prove to yourself, either by adding the numbers to themselves but in reverse, by using mathematical induction, or by using some other technique, that the sum of natural numbers from 1 to n is n(n+1)/2.
Plug in n = 560 and you will get your desired answer.
As a bonus challenge, see if you could figure out the formula for summing up odd natural numbers or even natural numbers up to n. Hint: it's very similar to that of natural numbers up to n.
The sum of the whole numbers from 1 to 560 is 157080.
What are arithmetic and geometric sequence?An arithmetic sequence is a set of numbers in which every number next to the previous number has the same common difference
d = aₙ - aₙ₋₁ = aₙ₋₁ - aₙ ₋₂.
In a geometric sequence numbers are written in the same constant ratio(r).
It means every next number is a multiple of a common constant and the previous number.
r = aₙ/aₙ₋₁ = aₙ-₁/aₙ₋₂.
The sum of the whole numbers from 1 to 560 is an arithmetic sequence.
The number of whole numbers is = (560 - 1) + 1 = 560, (As both the first and
the last number are included)
We know the sum of an AP when the first and the last term is given is,
S = (n/2)(a + l).
S = (560/2)(1 + 560).
S = 280×561.
S = 157080.
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What is the symbol ~, if you're trying to find the probability of ~A?
the addition probability
the probability of the event not happening
the multiplication probability
None of these choices are correct.
ALGEBRA please put a very small explanation to the awnser
Certainly! The problem can be solved using the Pythagorean theorem,
which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
In this case, the ladder acts as the hypotenuse, and we need to find the length of the vertical side (height) it reaches up the wall.
The ladder forms the hypotenuse, and its length is given as 12 meters. The distance from the foot of the ladder to the base of the wall represents one side of the triangle, which is 4.5 meters.
By substituting the given values into the Pythagorean theorem equation: (12m)^2 = h^2 + (4.5m)^2, we can solve for the unknown height 'h'.
Squaring 12m gives us 144m^2, and squaring 4.5m yields 20.25m^2. By subtracting 20.25m^2 from both sides of the equation, we isolate 'h^2'.
We then take the square root of both sides to find 'h'. The square root of 123.75m^2 is approximately 11.12m.
Therefore, the ladder reaches a height of approximately 11.12 meters up the wall.
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I don’t understand this , can you show working . Thanks
a) When checking the fairness of a 6-sided die using a chi-square test, the degrees of freedom (df) can be calculated using the formula:
df = (Number of categories - 1)
In this case, there are 6 categories (the 6 sides of the die), so the degrees of freedom would be:
df = 6 - 1 = 5
The critical value is associated with a significance level of 0.05. The rounded value may vary depending on the specific chi-square distribution table used.
b) When examining the results of an experiment with 4 treatments, the degrees of freedom (df) can be calculated using the formula:
df = (Number of treatments - 1)
In this case, there are 4 treatments, so the degrees of freedom would be:
df = 4 - 1 = 3
The rounded value may vary depending on the specific chi-square distribution table used.
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There are 200 kids in the 7th grade at smith middle school. If 25% of them purchase a school t-shirt that costs $20, how much money did the 7th grade spend on t-shirts?
Answer:
$1,000.
Step-by-step explanation:
200 kids divided by 25% or 4 = 50 then 50 x 20 = 1,000.
What is the base and height of this parallelogram?
41=44
63=218
82=416
62=312
93=?
Answer:
327
Step-by-step explanation:
tens no. is divided
units no. is multiplied
4/1 = 4 4x1=4 ans. 44
6/3 = 2 6x3= 18 ans. 218
8/2 = 4 8x2= 16
6/2 = 3 6x2 = 12
9/3 = 3 9x3 = 27 = 327
On a 3-hour bike ride, Rod averaged 5 miles per hour. Write a division equation that could be used to find the total distance, d, Rod biked.
Answer: 15 miles
Step-by-step explanation:
time = distance/speed
3 = x/5
x5 x5
x = 15
I don't know if this was what you were looking for, but hoped this helped...
What is the slope of the line that passes through the points (– 6, 13) and (8, – 29)?
The slope of the line that passes through the points (-6,13) and (8,-29) is -3
Answer:
m= -3
-29-13= ‐42
8- (-6) = 14
Divide -42 and 14 which will equal -3
Darren kept track of the number of e-mails he received from one of his customers each day for 14 days on the dot plot. A number line goes from 1 to 12. 1 dot is above 2. 2 dots are above 7. 3 dots are above 8. 1 dot is above 9. 3 dots are above 11. 4 dots are above 12. Which statement must be true according to the dot plot?
The customer sent Darren more than 12 e-mails over the 14-day period. The maximum number of emails represented in the dot plot is 12 + 4 = 16
The dot plot provides information about the number of emails he received from one customer over a 14-day period.
The number line goes from 1 to 12, but there are 4 dots above 12 which means that the customer sent him more than 12 emails over the 14-day period.
Therefore, the statement "The customer sent Darren more than 12 e-mails over the 14-day period" must be true according to the dot plot.The maximum number of emails represented in the dot plot is 12 + 4 = 16. Therefore, the customer sent Darren more than 12 emails over the 14-day period.
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if 75 beats per minute is bobs average heart rate, how many times will his heart beat in 25 years
Answer:
946,080,000
Step-by-step explanation:
I looked it up. (; Your welcome.
Answer: 985,500,000
Step-by-step explanation:
If triangles ABC and DEF are similar, what is y? Show your work.
The value of y is 18
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths. The angles of the two triangle must be equal and it not necessary they have equal sides.
Therefore the corresponding angles of similar triangles are congruent and the ratio of corresponding sides of similar triangles are equal.
Therefore;
14/21 = 12/y
14y = 21 × 12
14y = 252
divide both sides by 14
y = 252/14
y = 18
Therefore the value of y is 18.
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what is the different between vertical and horizontal.
To explain the difference between verticla and horizontal, we'll use lines.
A horizontal line is parallel to the horizon. In other words, it stretches from left to right
A vertical line is a line that stretches from down to up:
I just don’t know what you do here!? Please help!!
Solve the problem and show how you solved it.
Georgia is a long-distance swimmer. She swims 2 miles
every day. How many miles does she swim in 5 days?
Answer:
Step-by-step explanation:
chickennnnnnnnn
Any help would be great
Answer:
3,100,000
Step-by-step explanation:
The simple interest formula is I = PRT
Plug in the given values and solve for P.
576600 = P(0.062)(3)
576600 = P(0.186)
P = 3,100,000
A pet store increases the price of a bag of dog food by 5%
If the increase in price is $2.00, what is the new price for dog food?
Answer:
$42.00
Step-by-step explanation:
We can represent the given information as a ratio:
% of original price : price
5% : $2.00
Then, we can multiply both sides of this ratio by 20 (or 100% / 5%) to get 100% of the original price, which IS the original price.
5% : $2.00
↓ × 20 ↓ × 20
100% : $40.00
Now that we know the original price, we can add $2.00 to get the new price.
$40.00 + $2.00 = $42.00