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2 years ago

Sarah worked 8 more hours than Paida (algebraic expression) ___

Mathematics

1 answer:

seropon [69]2 years ago

8 0

X+8
2x
x-3
8 more hours
twice the number
3 years younger

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The graph shown matches which quadratic equation? A yox. 1 yox-1)? D

Vlada [557]

Where is the graph??

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3 years ago

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The number of decimal places in the product will be sum of the factor"s decimal place.So the product will have 1,2,3 or 4 decima

vampirchik [111]

Answer:

$0.47 \to 2\ digits$

$3.2 \to 1\ digit$

$Product \to 3\ digits$

Step-by-step explanation:

Given

$0.47 * 3.2 =$

See comment for complete question

Required

The number of decimal places

To do this, we simply calculate the number of digits after the decimal points

$0.47 \to 2\ digits$

$3.2 \to 1\ digit$

The product is the sum of the digits above 2 + 1 = 3

Hence:

$Product \to 3\ digits$

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3 years ago

72 is the product of Mai's height and 6.

7nadin3 [17]

Answer:

Step-by-step explanation:

72/6 = 12

Or 72= h*6

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3 years ago

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Simply 3/4s - (6 - 3/4s)

Stolb23 [73]

Answer: 3/2 s-6

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2 years ago

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A ladder is leaning against a wall. The top of the ladder is 9 feet (ft) above the ground. If the bottom of the ladder is moved

Komok [63]

Step 1

First situation

when a ladder is leaning against a wall

Let

x-------> the distance of the bottom of the ladder from the wall

L-------> the length of the ladder

Find the length of the ladder

Applying the Pythagorean Theorem

$L^{2} =x^{2}+ 9^{2}$ ------> equation $1$

Step 2

Second situation

when the ladder will be lying flat on the ground

Find the length of the ladder

In this situation the length of the ladder is equal to

$L=x+3$

square both sides

$L^{2}=(x+3)^{2}$ ------> equation $2$

Step 3

equate equation $1$ and equation $2$

$x^{2}+ 9^{2}=(x+3)^{2}\\x^{2}+81=x^{2} +6x+9\\ 6x=81-9\\6x=72\\x=12\ ft$

therefore

the answer is

the length of the ladder is $12\ ft$

see the attached figure to better understand the problem

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3 years ago