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pogonyaev
3 years ago
8

The value of the power (-8) ti the second power is

Mathematics
1 answer:
pochemuha3 years ago
7 0

Answer:

64

-8 to the second power is -8^2 Which is -8×-8 Which gives 64

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Two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 2:3. If the altitude of the smaller roo
schepotkina [342]

Answer:  6.75 feet

Step-by-step explanation:

Since, the ratio of the side of the similar triangle = 2 : 3

Thus, by the property of similar triangle,

The ratio of the altitudes of the triangle = 2 : 3

Let the altitude of smaller triangle = 2 x

And, the altitude of larger triangle = 3 x

Where x is any number.

According to the question,

2 x = 4.5

x = 2.25

Therefore, the altitude of larger triangle = 3 × 2.25 = 6.75 feet

5 0
3 years ago
PLZ HELP, GIVING BRAINLIEST!!
Maurinko [17]

Answer:D

Step-by-step explanation:

Hope this was right.

4 0
3 years ago
Find the missing side or angle.<br> Round to the nearest tenth.
BartSMP [9]

Answer:

b = 2.7

Step-by-step explanation:

Given:

< C = 53°

< B = 80°

a = 2

Required:

Find b

Solution:

The question given suggests we are given measures for a ∆.

To find side b, which corresponds to angle B, first, we'd find angle A, which corresponds to side a, then apply the Law of sines to find side b.

=> A = 180 - (53 + 80) = 47°

Law of Sines: \frac{a}{sin(A} = \frac{b}{sin(B}

Plug in the values into the formula

\frac{2}{sin(47} = \frac{b}{sin(80}

Cross multiply

2*sin(80) = b*sin(47)

Divide both sides by sin(47) to make b the subject of formula

\frac{2*sin(80)}{sin(47} = b

2.69 = b

b = 2.7 (nearest tenth)

8 0
2 years ago
Find a bank account balance if the account starts with $100, has an annual rate of 4%, and the money is left in the account for
Mamont248 [21]
100 x .4 = 40

40 x 12 = 480

The bank account would have $480 over 12 years. Hope this helps and please mark brainliest
5 0
2 years ago
What is the equation of this line?<br> Please help it’s for a test.
saul85 [17]
The equation is y=-2x+1
7 0
3 years ago
Read 2 more answers
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