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oksano4ka [1.4K]
3 years ago
7

Evaluate 8(6+5)

Mathematics
1 answer:
laila [671]3 years ago
7 0

Answer:

A

Step-by-step explanation:

6 + 5 = 11  11 x 8 = 88

88/4=22

the answer is a

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Evaluate for x = 3 and y = 4: x^-2y^2/x^0y^3 1/36 4/9 1024/9
GrogVix [38]

Answer:

\frac{1}{36}

Step-by-step explanation:

Evaluating the numerator and denominator before evaluating

Using the rule of exponents

a^{-n} ⇔ \frac{1}{a^{n} }, a^{0} = 1

Thus

x^{-2}y² ← substitute values into expression

= 3^{-2} × 4² = \frac{1}{9} × 16 = \frac{16}{9}

and denominator

x^{0}y^{3} = 1 × 4³ = 1 × 64 = 64

Now dividing

\frac{16}{9} ÷ 64

= \frac{16}{9} × \frac{1}{64} ( cancel 16 and 64 )

= \frac{1}{9(4)} = \frac{1}{36}

4 0
2 years ago
Please help I cant fail this math test thank you I appreciate it
Marta_Voda [28]

Answer:

d

Step-by-step explanation:

<33

4 0
3 years ago
Suzanne wants to put a fence around her square garden. If the garden covers an area of 64 ft^2, how many feet of fencing does sh
Art [367]

Answer:

32 feet of fence

Step-by-step explanation:

The garden is a square, so the length and width are equal.

A = L x W

W = L

A = W²

A = 64

W² = 64

W = √64 = ±8 -- (-8) would be extraneous

W = 8 ft

L = 8ft

Since she is putting the fence around the garden, she needs to find the perimeter.

P = 2L + 2W

P = 2(8) + 2(8)

P = 16 + 16

P = 32 ft

32 feet of fence

8 0
3 years ago
Which of the -values are solutions to the following inequality?
Triss [41]
The answer is 48 i think
7 0
2 years ago
If f(x) = -1x + 4 then what is f(-2)?
satela [25.4K]

Answer:

\huge \boxed{f(-2)=6}

Step-by-step explanation:

\sf f(x)=-1x+4

Switching x variable with -2.

\sf f(-2)=-1(-2)+4

Evaluating.

\sf f(-2)=2+4

\sf f(-2)=6

3 0
3 years ago
Read 2 more answers
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