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Vitek1552 [10]
2 years ago
15

Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Ya

n made 8 stops with no extra steps, which expression best shows another way to write the product of the number of ladder rungs that Yan climbed?
Mathematics
1 answer:
stich3 [128]2 years ago
8 0

Answer:not A

Step-by-step explanation:

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Ben made a model (shown below) of the square pyramid he plans to build when he grows up.
elena-s [515]

Answer:

336 m^2

Step-by-step explanation:

The surface area of a square pyramid is the sum of the area of the squared base + 4 times the area of each triangular face, therefore:

A=A_b + 4A_t

where:

A_b=L^2 is the area of the base, where

L is the length of the base

A_t=\frac{1}{2}Lh is the area of each triangular face, where

h is the height of the face

Substituting,

A=L^2+2Lh

For the model in this problem,

L = 12

h = 8

Therefore, the surface area here is:

A=12^2 +2(12)(8)=336

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3 years ago
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zalisa [80]

Answer:

a. (x+5)^2 = 49

b. (x+7)^2 = (x+1)^2

Step-by-step explanation:

So the term "a number" is always going to be x. input x into the sentences. "X plus five, then squared, is forty-nine". when they do "is __", that means equal to. In the second question, seven more than x is x + 7 (the two numbers are interchangeable here). Equivalent also means equal. hope this helped :)

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3 years ago
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Answer for brainliest!!! :> Three hens can lay 3 eggs in 3 days. How many hens would lay 3 eggs in 9 days?
marta [7]

It would still be the same 3 hens in 9 days.

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2 years ago
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9 less than k is 1. Solve the equation
Zinaida [17]

Answer:

the answer is 8

Step-by-step explanation:

9 - 8 = 1

  • Hope this helps
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3 years ago
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Which choice is equivalent to the expression shown below? -3(3y-2x) +2(5x-4y)
kap26 [50]

Answer:

-17y + 16x

Step-by-step explanation:

-3(3y - 2x) + 2(5x - 4y) = -9y + 6x + 10x - 8y = -17Y + 16X.

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