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3 years ago

11

Darcy uses place value blocks to show a number. She uses 4 thousand blocks and five hundereds blocks. What is the number? How ca

n she use place value blocks to show the number another way? Explain.

1 answer:

Maksim231197 [3]3 years ago

4 0

Answer is 4,500. 4 1,000 blocks =4,000. 5x100 =500. 4,000 + 500 = 4,500.

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3y+z=am-4y look for y

LenKa [72]

The value of y is am-z/7

<h3>How to calculate the value of y ?</h3>

The expression is given as follows

3y +z= am-4y

The first step is to collect the like terms in both sides, this way the numbers that both have y as their coefficient will be on the same side

3y + 4y= am-z

y(3+4)= am -z

7y= am-z

Divide both sides by the coefficient of y which is 7

7y/7= am-z/7

y= am-z/7

Hence the value of y in the expression is am-z/7

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1 year ago

Find the rate, or percent, for each of the following items. Round your answers to the nearest 0.1%.

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2 years ago

Find the median, lower quartile, and upper quartile for the set of data.

harkovskaia [24]

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2 years ago

Read 2 more answers

Mike bungee jumped from a building with eight stories. Each story was 15 4/5 feet in height. How tall was the building?

alexdok [17]

15 4/5 x 8 = 126.4
ANSWER: 126.4 ft.

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2 years ago

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I really need help with this please

Tcecarenko [31]

Answer:

3x

Step-by-step explanation:

a = 4x - 4

The perimeter is equal to 14x + 8 but it is also equal to 2a + 2b, so

14x + 8 = 2(4x - 4) + 2b

14x + 8 = 8x - 8 + 2b

Let's move 2b to the other side of the equation, we get:

14x + 8 - 2b = 8x - 8

Now, let's move 14x + 8 to the other side too to find what -2b is equal to

-2b = 8x - 14x + 8 - 8

Gonna simplify:

-2b = -6x

Now, let's multiply both sides with -1 to find what 2b is equal to

-2b * -1 = -6x * -1

2b = 6x

Now, we know that 2*b is equal to 6x, but we need to find what side b is equal to, so we gonna divide 6x by two to get what b is equal to

2b = 6x

b = 3x

Side b is equal to 3x

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1 year ago