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enyata [817]
3 years ago
15

10

Mathematics
1 answer:
Reil [10]3 years ago
7 0

Answer:

area = 98.12 m²

Step-by-step explanation:

area = πr² = (3.14)(5.59²) = 98.12 m²

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Evaluating functions
spayn [35]

(-1/4)x + 2 = 8

Multiply all terms by 4.

(-1)x + 8 = 32

Simplify.

-x + 8 = 32

Subtract 8 from both sides.

-x = 24

Multiply both sides by -1.

x = -24.

<h3>The value of x is equal to -24.</h3>

-1/4(-24) + 2 = 8


5 0
3 years ago
andre rode his bike at a constant speed he rode 1 mile in 5 minutes which of these equations represents the amount of time in mi
Alex777 [14]

We are given

Andre rode his bike at a constant speed he rode 1 mile in 5 minutes

Firstly, we will find constant speed

In 5 minutes , distance travelled =1 miles

so, we get speed

v=\frac{1}{5} mile/min

Let's assume T is time in minutes

D is the distance in miles

we  know that

Time=\frac{Distance}{speed}

so, we can plug value

and we get

T=\frac{D}{\frac{1}{5}  }

so, we get

T=5D...............Answer

3 0
3 years ago
Which is not a correct way to rewrite this expression using the distributive
Effectus [21]

Given:

The expression is

(2x^2+4x-7)(x-2)

To find:

The expression which is not a correct way to rewrite the given expression.

Solution:

We have,

(2x^2+4x-7)(x-2)

Using distributive property, we get

=(2x^2)(x-2)+(4x)(x-2)+(-7)(x-2)

=(2x^2)(x)+(2x^2)(-2)+(4x)(x)+(4x)(-2)+(-7)(x)+(-7)(-2)

Using distributive property the given expression can rewritten as:

=(2x^2+4x-7)(x)+(2x^2+4x-7)(-2)

Only the expression in option A is not a correct way to rewrite the given expression because (2x^2+4x-7) is not distributed to (x-2) properly.

Therefore, the correct option is A.

3 0
3 years ago
A washer and a dryer cost $765 combined, the washer cost $65 more than the dryer. What is the cost of the dryer?
yarga [219]
W + D = 765; W = D + 65 Now substitute D + D + 65 = 765. 2D + 65 = 765. 2D = 700. D = 350. W = 350 + 65. W = 415. 350 + 415 = 765
3 0
3 years ago
-7 times 8 = 7 times (-8) true or false
12345 [234]

Answer:

Yaa it's true

Step-by-step explanation:

-56=-56

from both side u get the same answer

5 0
3 years ago
Read 2 more answers
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