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Brilliant_brown [7]
2 years ago
11

Graph the inequality of y less than or equal to2x + 2?

Mathematics
1 answer:
denpristay [2]2 years ago
8 0

First you graph "y = 2x +2." You shade in the region below it, because it's y "LESS THAN" and you keep the line solid (not dotted) because it's "equal to" 2x+2 too.

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Solve the absolute value equation |8|=28
DENIUS [597]

The answer is false. This is because<u> 8 does not equal the number 28</u>.

Explination:

    |8| = 28

     8≠28

7 0
3 years ago
Body burns 120 calories for every 8 minutes of jumping rope
swat32

Answer:

Rope jumping, slow pace, < 100 skips/min, 2 foot skip, rhythm bounce 8.8 630

Rope jumping, moderate pace, 100-120 skips/min, general, 2 foot skip, plain bounce 11.8 845

Rope skipping, general 12.3 881

Rope jumping, fast pace, 120-160 skips/min 12.3 881

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How does doubling the base effect the perimeter of the triangle
Contact [7]

i think it will make it smaller due to the base being longer which stretches out the two sides and makes less space inside of the triangle

6 0
3 years ago
If xsquared+ysquared=57 , xy=3 . find the value of 3(x+y)squared
shepuryov [24]

Answer:

189

Step-by-step explanation:

If you mean this, my answer is 3x63= 189

{x}^{2}  +  {y}^{2}  = 57 \\ xy = 3

{x}^{2}  +  {y}^{2}  + 2xy = 57 + 2 \times 3

{(x + y)}^{2}  = 63

3 {(x + y)}^{2}  = 3 \times 63 = 189

6 0
3 years ago
1. Simplify the expression and show each step.
Tema [17]

Answer:

1. 3x + 2

2. 0.25x - 6.5

3. $5.50 per sandwich

Step-by-step explanation:

1.

6x + 1 - (3x - 1)

PEMDAS says solve everything in the parentheses first

There is nothing left to simplify within the parentheses.

Since there's also no exponents, multiplication, or division, let's combine like terms starting from left to right

6x - 3x + 1 + 1

Negative + Negative = Positive, hence why it became 1 + 1

3x + 2

2.

(3x - 1) - 2.75 (x + 2)

PEMDAS says to do multiplication next (since parentheses are fully simplified and there are no exponents)

(3x - 1) - 2.75x - 5.5

Negative + Positive = Negative, hence why it became -5.5

3x - 1 - 2.75x - 5.5

Combine like terms

3x - 2.75x - 1 - 5.5

0.25x - 6.5

3.

Set up an equation:

Variable x = cost of sandwiches

4x + 4(2) = 30

4x + 8 = 30

Subtract 8 from both sides to isolate the variable

4x + 8 - 8 = 30 - 8

4x = 22

Divide both sides by 4

4x ÷ 4 = 22 ÷ 4

x = 5.5

$5.50 per sandwich

4 0
3 years ago
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