Which expression has a value of 90? (10 points)
a
3,600 ÷ 50
b
5,400 ÷ 60
c
6,400 ÷ 80
d
7,200 ÷ 90
Answers
Answer:
D
Step-by-step explanation:
3x90=7200 ÷ by 3=90 that how you get it
Answer:
b 5,400 ÷ 60
Step-by-step explanation:
knoweth thay multiplication table.
what are the multiples of 9 ?
1×9 = 9
2×9 = 18
3×9 = 27
4×9 = 36
5×9 = 45
6×9 = 54
7×9 = 63
8×9 = 72
9×9 = 81
10×9 = 90
because multiples of 10 follow the same structure, we just add 0s.
so, the multiples of 90 are the same numbers as above, they just have a 0 at the end.
and if we also multiply the first numbers (1 ..10) by 10, the results get a second additional 0 at the end.
so, when we look at
3600
5400
6400
7200
we actually look at
36
54
64
72
36 = 4×9
so, 3600 has to be divided by 40 to result in 90.
but it is divided by 50. so, no.
54 = 6×9
so, 5400 has to be divided by 60 to result in 90.
and it is. so, yes ! 5400 ÷ 60 = 90
64 is no factor of 9 at all. so, no.
72 is 8×9
so, 7200 has to be divided by 80 to result in 90.
but it is divided by 90. so, no.
Related Questions
Which figure has exactly one line of symmetry? A rhombus, pentagon, rectangle and triangle are shown. A. Rhombus B. Pentagon C. Rectangle D. Triangle
Answers
Answer: The figure that has exactly one line of symmetry is B. Pentagon.
Step-by-step explanation: A line of symmetry is a line that divides a figure into two congruent halves that are mirror images of each other. A figure can have zero, one, or more lines of symmetry depending on its shape and orientation. To find the lines of symmetry of a figure, we can use a paper folding method or a reflection test. A paper folding method involves folding the figure along a line and checking if the two halves match up exactly. A reflection test involves reflecting the figure over a line and checking if the image coincides with the original figure.
Using either method, we can see that:
A. Rhombus has two lines of symmetry: one diagonal and one vertical.
C. Rectangle has two lines of symmetry: one horizontal and one vertical.
D. Triangle has either zero or three lines of symmetry depending on the type of triangle. An equilateral triangle has three lines of symmetry: one vertical and two bisecting the angles. An isosceles triangle has one line of symmetry: the perpendicular bisector of the base. A scalene triangle has no lines of symmetry.
B. Pentagon has either zero or five lines of symmetry depending on the type of pentagon. A regular pentagon has five lines of symmetry: each passing through a vertex and the midpoint of the opposite side. An irregular pentagon has no lines of symmetry.
Therefore, the only figure that has exactly one line of symmetry is B. Pentagon, but only if it is an isosceles pentagon.
Hope this helps, and have a great day! =)
Gordon types 3,136 words in 49 minutes. Find the unit rate.
Answers
Answer: Gordon types 64 words per minute.
Step-by-step explanation: Because Gordon is typing 3,136 words in 49 minutes, you would divide the words by the minutes. 3,136 ÷ 49 = 64. So, the units would be 64 words per minute.
this is my last question
Answers
Answer:
26
Step-by-step explanation:
35 - 9 = 26
Answer:
? = 22.6
Step-by-step explanation:
35²-15² = x²
1225-225 = 1000
√1000 = 31.6
31.6 - 9 = 22.6
A Rover driving on the moon’s surface travels at a speed of 60 ft/min. How far will it travel in 90 min?
Answers
Answer:
d =5400 ft
Step-by-step explanation:
d = rt
where d is distance r is rate and t is time
d = 60 ft/ min * 90 min
d =5400 ft
Answer:
5400ft
Step-by-step explanation:
If you are travelling 60ft/min or 60 feet in one minute, you can multiply by 90 minutes to find the number of feet you will travel in that time.
60ft/min * 90min = 5400ft
If they want an approximate mileage, it is just above 1 mile. (1.022727miles)
Mackey invested some money in an account paying 6% interest for one year. She invested $1000 more than this amount in an account paying 8.5%. How much did she invest in total if the total interest earned in the year was $737.50?
Answers
Step-by-step explanation:
Let's assume the amount Mackey initially invested in the 6% account is x dollars.
According to the given information, Mackey invested $1000 more than x in the 8.5% account, which means she invested (x + $1000) dollars in that account.
The total interest earned from the 6% account would be 0.06x dollars, and the total interest earned from the 8.5% account would be 0.085(x + $1000) dollars.
The total interest earned in the year is given as $737.50, so we can set up the equation:
0.06x + 0.085(x + $1000) = $737.50
Simplifying the equation:
0.06x + 0.085x + 0.085($1000) = $737.50
Combining like terms:
0.145x + $85 = $737.50
Subtracting $85 from both sides:
0.145x = $737.50 - $85
0.145x = $652.50
Dividing both sides by 0.145:
x = $652.50 / 0.145
x ≈ $4500
Therefore, Mackey initially invested approximately $4500 in the 6% account, and she invested $1000 more, which means she invested a total of $5500.
$4500
$4500
$4500
$4500
A rectangular prism has a length of 20 in., a width of 2 in., and a height of 314 in.
The prism is filled with cubes that have edge lengths of 14 in.
How many cubes are needed to fill the rectangular prism?
AAAAAAAAAAAAAAAAAAAAAAA I NEED HELPP
Answers
V = l x w x h
where l is the length
w is the width
h is the hieght
V = 20 x 2 x 314
V = 12560 cu in
then solve the volume of the cube
V = e^3
V = 14^3
V = 2774 cu in
number of cube = 12560 / 2774
number of cube = 4 cubes
Answer:
• first find the volume of the rectangular prism:
\({ \tt{volume = length \times height \times width}} \\ \\ \dashrightarrow \: { \tt{v = 20 \times 314 \times 2}} \\ \\ { \underline{ \tt{ \: \: volume = 12560 \: in {}^{3} \: \: }}}\)
• find volume of the cubes:
\({ \tt{volume = {side}^{3} }} \\ \\ { \tt{v = 14 {}^{3} }} \\ \\{ \underline{ \tt{ \: \: volume = 2744 \: {in}^{3} \: \: }}}\)
• Therefore:
\({ \tt{cubes = \frac{volume \: of \: prism}{volume \: of \: cubes} }} \\ \\ \dashrightarrow \:{ \tt{ \frac{12560}{2744} }} \\ \\ \dashrightarrow \: { \boxed{ \tt{ \: \: 4.58 \approx \: 5 \: cubes}}}\)
What is " 10 > 7 + x =?
(Please show work)
Answers
Answer:
x<3
Step-by-step explanation:
10>7+x
subtract 7 on both sides
3>x
Answer:
x<3
Step-by-step explanation:
Complete the steps to solve the equation -16x-18=-146.
Answers
Answer:
-16x-18=-146
-16x=-146+18
-16x=-128
x=-128:(-16)
x=8
cassie is placing stickers on a page that is 12 inches long and 8 inches wide the sticker are 3 inches long and 2 inches wide
Answers
Answer:
To find the greatest number of stickers Cassie can place on a page that is 11 inches long and 8 inches wide without them overlapping, we need to use the same approach as before.
Firstly, we need to calculate the maximum number of stickers that can fit along the length of the page, which is now 11 inches. Since each sticker is 3 inches long, we can fit 3 stickers along the length (11 ÷ 3 = 3 with a remainder of 2).
Next, we can calculate the maximum number of stickers that can fit along the width of the page, which is still 8 inches. Since each sticker is 2 inches wide, we can fit 4 stickers along the width (8 ÷ 2 = 4).
To ensure that the stickers do not overlap, we can only use the full row of 3 stickers from the previous calculation. Therefore, we can place 3 stickers along the length and 4 stickers along the width, giving us a maximum of 12 stickers that Cassie can place on the page without them overlapping.
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
First, find out how much stickers you can put on the long side:
12/3 = 4
Next, find out how much stickers you can put on the wide side:
8/2 = 4
Lastly, calculate them together:
4x4=16
So the answer is 16.
Please help answer number 1 and write down how you did it
Answers
This is the answer because it starts off with $450 in total
Then Lani ADDS $225 every month, which is the m variable,
Because the $225 would be multiplied by m for every month she would add $255.
Answer:
the answer is B) y = 450 + 225m
Step-by-step explanation:
If she starts with $450 and every month she adds $225 then every month you add 225 to the 450.
ex)
after 5 months she will have $1575 in her account.
450 + 225m = y
450 + 225(5) = y
450 + 1125 = y
1575
Add 2 1/2+(−1/3) . Write your answer as a mixed number in simplest form.
Answers
Answer:
2 2/3
Step-by-step explanation:
Answer:
2.16
Step-by-step explanation:
I need the answer and the steps to how you got it
Answers
Answer:
t-shirts=$40
shorts=$10
Step-by-step explanation:
To be honest I really just started with a common number I've seen in these types of problems (35) and that was not enough so I kept using numbers from 35 to 50. For the problem you just multiply 4 by the same number you multiply 5 by and then add the same number hope that makes sense.
Answer:
42.50
Step-by-step explanation:
I did:
170 divided by 4 to get 42.50
But if you do 210 divided by 5 then you get 42 which is also close to 42.50
What is the image point of (0,-1) after a translation left 5 units and down 1 unit?
Answers
Answer:
(-5,-2)
Step-by-step explanation:
(x-5,y-1)
(0-5,-1-1) = (-5,-2)
Trust meeeee
Which expression is equivalent to negative one half open parentheses three minus two fifths close parentheses?
negative three halves minus one fifth
negative three halves plus one fifth
negative three and one half minus one fifth
negative three and one half plus one fifth
Answers
The correct option will be B that is "Negative three halves plus one fifth" as the expression is -1/2(3-2/5) as defined "negative one half open parentheses three minus two fifths close parentheses".
What is expression?A finite combination of symbols that are well-formed in accordance with context-dependent rules is referred to as an expression or mathematical expression. No, a mathematical expression cannot be solved because it lacks the "equal to" sign $(=)$, but it can be simplified. Mathematical expressions consist of at least two numbers or variables, at least one math operation, and a sentence. It's possible to multiply, divide, add, or subtract with this mathematical operation. A number, a variable, or a combination of numbers, variables, and operation symbols make up an expression. Two expressions joined by an equal sign form an equation. For instance: 8 plus 3 is the sum. The result of adding 8 and 3 is 11. written as 8 + 3.
Here,
-1/2(3-2/5)=negative three halves plus one fifth
As the expression is -1/2(3-2/5) as defined by "negative one half open parentheses three minus two fifths close parentheses," option B, which is "Negative three halves plus one fifth," will be the correct answer.
To know more about expression,
https://brainly.com/question/1859113?referrer=searchResults
#SPJ2
A triangle has vertices at L:(4, 4), M:(7, 4), and N:(5, 2).
The triangle is translated 7 units down and reflected across the y-axis.
What are the coordinates of L'? Write your answer as an ordered pair for full credit.
PLEASEEE HELP
Answers
di ko po yan Alam hehe sorry ha
rewrite the expression as the sum of two numbers 7(2 + 5)
9 + 12
9 x 12
14 + 35
14 x 35
Answers
Answer:
c is the answer
Step-by-step explanation:
14 + 35 using distribution.
You multiply the 7 by both numbers in the parentheses.
please give brainliest
Diana ordered a shipment of 48 sun hats for the store she owns. Of the 48 hats she ordered, about 20% were pink. How many of the hats were pink?
Answers
Answer: If the answer was a half then I would say about 9.6 but if the answer if a whole then the whole would be 10 but doing the math out the answer is 9.6. Have a wonderful day
Answer:
20% of 48 is 9.6, or 10 if you round up. If you rounded down it would be 9
Step-by-step explanation:
Please help meh again...
Answers
Answer:
1
- Two over three
2
Step-by-step explanation:
please help i'll fail if i don't pass this will give brainliest!
Answers
Answer: \(b^2+h^2=x^2\)
Step-by-step explanation: The line labeled \(x\) here is called the hypotenuse. There are a few ways to calculate the hypotenuse, but the most common way is by using this equation: \(b^2+h^2=x^2\).
I hope this helped! ;) Good luck on your test or quiz or whatever you have to do in order to pass!
Answer:
The answer may be the 1st one x=1/2bh
Step-by-step explanation:
Answer may be x=1/2bh
If you are dealing with areas
I am currently 13 times as old as my granddaughter. Next year, I will be 11 times as old as my granddaughter. How old am I now?
Answers
Answer:
65 years old.
Step-by-step explanation:
Define the variables:
Let x be the age of the granddaughter.Let y be the age of the grandparent.Given:
I am currently 13 times as old as my granddaughter. Next year, I will be 11 times as old as my granddaughter.Create two equations with the given information and defined variables:
\(\begin{cases}y = 13x\\y + 1 = 11(x + 1)\end{cases}\)
Substitute the first equation into the second equation and solve for x:
\(\implies 13x+1=11(x+1)\)
\(\implies 13x+1=11x+11\)
\(\implies 2x=10\)
\(\implies x=5\)
Substitute the found value of x into the first equation and solve for y:
\(\implies y=13(5)\)
\(\implies y=65\)
Therefore, the age of the grandparent now is 65 years.
Given statements:
I am currently 13 times as old as my granddaughter. Next year, I will be 11 times as old as my granddaughter.Let us represent the character's age by variables. Assuming that the grandparent's age is G and the granddaughter's age is D. Now, using the obtained variables and the statements, create two equations that represents the provided statements. Then, we can compare the equations and simplify if needed to determine the value of the variables.
\(\implies \left[\begin{array}{ccc} \text{G = 13D} \\ \text{G + 1 = 11(D + 1)}\\\end{array}\right]\)
Since G = 13D is in the form of direct variation, we can substitute the value of G into the second equation to determine the value of D (the age of the granddaughter). Then, we can substitute the value of D into any of the two equations to determine the age of the grandparent.
⇒ G + 1 = 11(D + 1)⇒ G + 1 = 11(D + 1) [G = 13D]⇒ 13D + 1 = 11(D + 1)To solve for D, simplify both sides of the equation by using the distributive property. We need to simplify both sides of the equation so that we can isolate the variables on the other side of the equation.
⇒ 13D + 1 = 11(D + 1)⇒ 13D + 1 = 11D + 11Isolate the variables on one side. This step is necessary because it can cancel out the extra variable and simplify the other variable. To do this, you can either add or subtract on both sides of the equation.
Note: I am subtracting 11D on both sides of the equation since it is my preference. But you can also subtract 13D on both sides of the equation.
⇒ 13D + 1 - 11D = 11D + 11 - 11D⇒ 1 + 2D = 11To further isolate 2D, we need to subtract 1 on both sides of the equation to cancel out the 1 on the left-hand side of the equation. Then, we have:
⇒ 1 + 2D - 1 = 11 - 1⇒ 2D = 10But the variable is still not completely isolated since there is a coefficient being multiplied to D. To isolate the coefficient from the variable, we will need to divide the coefficient (2) on both sides of the equation.
⇒ 2D = 10⇒ 2D/2 = 10/2Then, simplify both sides of the equation. Eventually, we will have a variable on one side and a numerical value on the other side.
⇒ 2D/2 = 10/2⇒ D = 5Now we know the age of the granddaughter, we can substitute the age of the granddaughter into one of the equations and simplify it to determine the age of the grandparent. I am going to choose G = 13D since it is easier to simplify. Then, we will substitute the value of D into the equation.
⇒ G = 13D ⇒ G = 13(5)⇒ G = 65 yearsTherefore, the age of the grandparent is 65 years.
20 decreased by 8 = ?
PLEASE SO WORK AND/OR EXPLAIN ON HOW YOU GOT THE ANSWER
Answers
Answer:
12............................
Answer:
12
Step-by-step explanation:
decreased mean minus
20 - 8 = 12
Help plz I’ll give brainliest
Answers
I WAS THE FIRST PERSON TO ANSWER BRAINLIEST PLEASE !!!!!!!!!!!!!!!!!!!!!!!!
Answer:
The Answer is D. \(\frac{1}{2}\)
Step-by-step explanation:
half of the deck is black cards and the other half is red cards
Multiply the pairs of numbers and match them with their products. Tiles (-5)(4.2) (-7)(-3) (4) (5) (2.5)(-9) Pairs 22.5 21 -22.5 -21 111
Answers
Here are the pairs matched with their products:
- (-5)(4.2) matches with -21
- (-7)(-3) matches with 21
- (2.5)(-9) matches with -22.5
Pairs (4) and (5) do not have corresponding products in the given options.
(-5)(4.2) = -21
(-7)(-3) = 21
(4)(5) = 20
(2.5)(-9) = -22.5
So, the pairs of numbers and their products are as follows:
(-5)(4.2) = -21 matches with -21.
(-7)(-3) = 21 matches with 21.
(4)(5) = 20 matches with 20.
(2.5)(-9) = -22.5 matches with -22.5.
I hope this helps!
HELP PLEASE I REALLY NEED HELP
Answers
First step is take it out of fractions and into decimals, they are easier to work with.
(0.5x1.125)x(2.66x3.33)x7.5
Then PEMDAS
Parentheses
0.625x-0.66x7.5
Then multiply
-0.41625x7.5
Answer
-3.121875
Please hurry, i'm being timed!!!!!!
Multiplying performed on both sides of the equal sign, it is called:
A.) Division Property of Equality
B.) Timesing Property of Equalness
C.)Addition Property of Equality
D.)The answer is NOT here.
Answers
Subtract the rational expression
Please show the steps to the answer
Answers
Answer:
\(\frac{x^2-8x-12}{2x^2+5x-4}\)
1. Find common denominator (LCD)(x + 3)(2x - 1) = \(2x^2 + 5x - 4\)2. Multiply bottom to get LCD, then multiply top to matchFirst term: \(\frac{x}{x+3} (\frac{2x -1}{2x-1} ) = \frac{2x^2-x}{2x^2+5x-4}\)Second term: \(\frac{x+4}{2x-1} (\frac{x+3}{x+3} )=\frac{x^2+7x+12}{2x^2+5x-4}\)Ending expression: \(\frac{2x^2-x}{2x^2+5x-4} -\frac{x^2+7x+12}{2x^2+5x-4}\)3. Rewrite terms in a single fraction\(\frac{2x^2-x}{2x^2+5x-4} -\frac{x^2+7x+12}{2x^2+5x-4}\) -----> \(\frac{(2x^2-x)-(x^2+7x+12)}{2x^2+5x-4}\)4. Subtract, then combine like termsFinal answer: \(\frac{x^2-8x-12}{2x^2+5x-4}\)
calculate the rate at which the rock falls
Answers
Answer:
5.98e+24
Step-by-step explanation:
Mrs. Dawson rode her bicycle at a constant rate of 15 miles per hour. Which graph below shows the distance Mrs. Dawson traveled?
Answers
Answer:
2nd Graph or B
Step-by-step explanation:
Help Help Help Help...What does it take for an orbiting spacecraft to escape its orbit?
Answers
Answer:
Manual Override??
Step-by-step explanation: I'm prop wrong
Answer:
To leave its orbit, the spacecraft must go very fast to break free of gravity.
Step-by-step explanation:
what is this shape????
help please, ty
Answers
Answer:
Step-by-step explanation: