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3 years ago

Convert the given fraction into a decimal. 5/8

Mathematics

1 answer:

dusya [7]3 years ago

5 0

Answer: 0.625

Step-by-step explanation:

To convert it into a decimal , divide the numertor by the denominator. The number of the fraction is 5 and the denominator is 8.

5/ 8 = 0.625

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If fx = 2x^2 + 3 and g(x) = x^2 - 7 find (f - g) (x)

Semmy [17]

(f-g) (x) means to subtract g(x) from f(x)

F(x) = 2x^2 +3

g(x) = x^2

This becomes:

2x^2 + 3 - x^2 = x^2 +3

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2 years ago

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Wittaler [7]

Answer: B/The second answer

Step-by-step explanation:

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3 years ago

1. what is the area of the board shown on the scale drawing? explain how you found the area.2. how can Adam use the scale factor

bixtya [17]

Answer:

1. 1800 square cm.

2. See below

3. 45000 square cm.

Explanation:

Part 1

The dimensions of the drawing are 36cm by 50cm.

$\begin{gathered} \text{The area of the board}=36\times50 \\ =1800\operatorname{cm}^2 \end{gathered}$

Part 2

Given a scale factor, k

If the area of the scale drawing is A; then we can find the area of the actual board by multiplying the area of the scale drawing by the square of k.

Part 3

$\begin{gathered} \text{Area of the scale drawing}=1800\operatorname{cm}^2 \\ \text{Scale Factor,k=5} \end{gathered}$

Therefore, the area of the actual drawing will be:

$\begin{gathered} 1800\times5^2 \\ =45,000\operatorname{cm}^2 \end{gathered}$

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1 year ago

Can someone help me find the answer to these 3 problems if so thank you .

alexandr1967 [171]

Answer:

1. r+s²=49

2. pq²=24

3. -4xy-6x²+2x²y-6y= -54

Step-by-step explanation:

1. r+s²=0+7²=49

2. pq²=(6)(2)²=6(4)=24

3. -4xy-6x²+2x²y-6y= -4(3)(2)-6(3)²+2(3)²(2)-6(2)

= -24-6(9)+2(9)(2)-12

= -24-54+36-12

= -78+36-12

= -42-12

= -54

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2 years ago

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lions [1.4K]

Answer:

Step-by-step explanation:

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3 years ago