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3 years ago

Need help solving this question pls. Can you show me how to solve it step by step thx

Mathematics

2 answers:

V125BC [204]3 years ago

7 0

$-9+\dfrac{n}{4}=-7\\\\ \dfrac{n}{4}=2\\\\ n=8$

nignag [31]3 years ago

5 0

Start by adding 9 to both sides of the equation. Then multiply both side by 4. And the final answer is n = 8.

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3 years ago

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3 years ago

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3 years ago

Read 2 more answers

What is a whole number between the square root of 27 and the square root of 39

Vinvika [58]

That number would be 6.
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3 years ago

I need 3 questions answered please.

kakasveta [241]

Answer:

$3) \: \: 113 {ft}^{2}$

$4) \: false$

$5) \: 70 {ft}^{2}$

Step-by-step explanation:

3) Area of a circle is

$\pi \times {r}^{2}$

Where r = 6

Thus,

$area = \frac{22}{7} \times {6}^{2}$

$area = \frac{22}{7} \times 36$

$area = 3.143 \times 36$

$area = 113 {ft}^{2} \: (nearest \: whole \: number)$

4) False

Area of a circle is measured by the formula below:

$area = \pi \times {r}^{2}$

5) The formula for calculating the area of a rectangle is given thus:

$area \: of \: a \: rectangle = l \times w$

Where, l = 10ft; w = 7ft

$area = 10ft \times 7ft = 70 {ft}^{2}$

8 0

4 years ago