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3 years ago

I don’t know how to find the surface area?

Mathematics

2 answers:

Lerok [7]3 years ago

8 0

Answer:

Step-by-step explanation:

its just writing teh answwer out and then solving

3241004551 [841]3 years ago

8 0

Answer:

The surface area of a prism is the sum of the areas of the 6 faces. That will be

the 2 squares and the other 4 rectangles.

S=2*(b*h)+4(B*H)

b and h are base and height of the squares and B and H of the Rectangles.

b=2

h=2

B=5

H=2

S=2*(2*2)+4(2*5)=8+40=48

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Mrs. Barlow's math class took a test yesterday. Out of 70 students, 70% of them passed. How many of Mrs. Barlow's students passe

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The answer is A . 49

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3 years ago

Rationalize the denominator of \frac{1 \sqrt{3}}{1-\sqrt{3}}. When you write your answer in the form A B\sqrt{C}, where A, B, an

kobusy [5.1K]

Answer:

The value of ABC is 6.

Step-by-step explanation:

Consider the expression

$\frac{1+\sqrt{3}}{1-\sqrt{3}}$

Rationalize the denominator.

$\frac{1+\sqrt{3}}{1-\sqrt{3}}\times \frac{1+\sqrt{3}}{1+\sqrt{3}}$

$\frac{(1+\sqrt{3})^2}{1^2-(\sqrt{3})^2}$

$\frac{1^2+(\sqrt{3})^2+2\sqrt{3}}{1-3}$

$\frac{1+3+2\sqrt{3}}{-2}$

$\frac{4+2\sqrt{3}}{-2}$

$\frac{4}{-2}+\frac{2\sqrt{3}}{-2}$

$-2-\sqrt{3}$ ..... (1)

The answer in the form

$A+B\sqrt{C}$ .... (2)

On comparing (1) and (2), we get

$A=-2,B=-1,C=3$

We need to find the value of ABC.

$ABC=(-2)(-1)(3)=6$

Therefore the value of ABC is 6.

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3 years ago

Estimate each product. 28.21 x 8.02

Oksi-84 [34.3K]

Answer:

226.24

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write -2i + (9 - 3i) - (6 - 10i) as a complex number in standard form. 3 - 5i 3 + 5i 3 + 16i 12 - 16i

Ierofanga [76]

Answer:

3 + 5i

Step-by-step explanation:

Given

- 2i + (9 - 3i) - (6 - 10i) ← distribute parenthesis

= - 2i + 9 - 3i - 6 + 10i ← collect like terms

= 3 + 5i

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2 years ago

What is the answer to this question?

Romashka [77]

Idk sorry !!!!!!!!!!!!!! Add them

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3 years ago