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Alekssandra [29.7K]
3 years ago
7

Julie built a tower of blocks that stood 22.5 cm tall. Each block is 1.5 cm tall.

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
5 0
B. There are 15 blocks in this tower. I divided the total height (22.5 cm), by the height of each block (1.5 cm) and got 15 blocks
Pavel [41]3 years ago
4 0
We must divide the total height by the size of the blocks to work out how many are in the tower
22.5 / 1.5 = 15 blocks
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Write an exponential function y = ab" whose graph passes through (2,12) and (5,96).
motikmotik

Answer:

y = 3(2)^{x}

Step-by-step explanation:

Substitute the given points into the function and solve for a and b

Using (2, 12)

12 = ab² → (1)

Using (5, 96)

96 = ab^{5} → (2)

Divide (2) by (1)

\frac{ab^5}{ab^2} = \frac{96}{12} , that is

b³ = 8 ( take the cube root of both sides )

b = \sqrt[3]{8} = 2

Substitute b = 2 into (1) and solve for a

12 = a2² = 4a ( divide both sides by 4 )

3 = a

Thus

y = 3(2)^{x} ← is the exponential function

3 0
3 years ago
What do I do next? I’m confused.
Nina [5.8K]
15 because it’s 3 times the actual amount
6 0
2 years ago
Choose the amount of money that is equal to 9 dimes. 4 quarters 3 quarters 3 nickels 2 quarters 3 dimes 4 quarters
mixas84 [53]

Answer:

$4.60 dollars

3 0
2 years ago
The bottom of a box is to be a rectangle with a perimeter of 36 CM. The Box must be 4 cm High. What is the maximum volume?
Amanda [17]

The maximum volume would be when the bottom of the box is a square.

The perimeter of the bottom is 36, so the side of the square would be 36/4 = 9 cm.

Then to find volume multiply the length by the width by the height:

Volume = 9 x 9 x 4 = 324 cm^3

The answer would be a.

8 0
3 years ago
Read 2 more answers
Quicky help????????????
sergeinik [125]

Step-by-step explanation:

first bring 87.5 to right

25t=12.5+87.5

25t=100.0

then bring 25 to right so it will divided

t=100.0/25

t=4

putting value of t in 25t-87.5=12.5

25(4)-87.5=12.5

5 0
3 years ago
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