3 years ago

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Mathematics

1 answer:

arsen [322]3 years ago

5 0

Answer:

-2 ≤ n < 8

Step-by-step explanation:

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Are he two expression equivalent if x=5. 7x+3x. 9x+5

a_sh-v [17]

Answer:

yes, the two expressions are equivalent when x = 5

Step-by-step explanation:

7(5)=35

3(5)=15

35+15=50

9(5)=45

45+5=50

6 0

3 years ago

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Please answer this correctly

Solnce55 [7]

Answer:

17.85 feet.

Step-by-step explanation:

Area = 1/4 * 3.14 * r^2 where r is the radius

So r^2 = 19.625 / (1/4 * 3.14)

r^2 = 25

r = 5 feet.

The perimeter = 2r + 1/4 * 2* 3.14*r

= 2*5 + 7.85

= 17.85 feet.

3 0

3 years ago

Answer correctly for 5 star and brainliest

nataly862011 [7]

Answer:

$m=\frac{5}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (-2, -4)

Point (2, 6)

Step 2: Find slope m

Substitute [Slope Formula]: $m=\frac{6+4}{2+2}$
Evaluate Addition: $m=\frac{10}{4}$
Simplify: $m=\frac{5}{2}$

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3 years ago

What is the standard notation for the distance of 8.512 x 10^10 miles (10 to the tenth power)

Harlamova29_29 [7]

I'm not sure what the answer can be for this

8 0

3 years ago

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Choose the correct set of y-values for the function y = -2x when x = -2, 0, 2.

kvv77 [185]

The first one
y=-2(-2)=4
y=-2(0)=0

3 0

3 years ago