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Xelga [282]
3 years ago
15

Evaluate -5x+8 when x=3

Mathematics
2 answers:
crimeas [40]3 years ago
7 0

Answer:

-7

Step-by-step explanation:

you do -5 times 3 and get -15 then you add the 8 with -15 and get a -7

dolphi86 [110]3 years ago
6 0

Answer:

-7

Step-by-step explanation:

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vladimir1956 [14]

Answer:

Just the sign!

Step-by-step explanation:

2x > 10 would be x > 5

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Find tha gcf of 20xy and 24xzy
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Step-by-step explanation:

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The rectangle below has an area of 70 square meters. Find the dimensions of the rectangle. (x - 11) (x - 8)
aniked [119]

Answer:

the dimensions of the rectangle are 10 and 7.

Step-by-step explanation:

Given;

area of the rectangle, A = 70 m²

dimensions of the rectangle, = x - 11 and x - 8

The area of rectangle is calculated as;

A = L x B

70 = (x - 11)(x - 8)

70 = x² - 8x - 11x + 88

0 = x² - 8x - 11x + 88 - 70

0 = x² - 19x + 18

0 = x² - x - 18x + 18

0 = x(x - 1) -18(x - 1)

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0 = x - 1

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B = 18 - 8 = 10

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7 0
3 years ago
WILL MARK BRAINLIEDT If the length of an arc of a circle of radius 7 is approximately 10.99 cm. What is the measure of the centr
Ostrovityanka [42]

The angle that defines the arc is 1.57 radians or 90°.

<h3 /><h3>How to get the angle of the arc?</h3>

For a circle of radius R, the length of an arc defined by an angle θ in radians is given by:

L = θ*R.

Here we know that the radius is R = 7cm, and the length of the arc is  10.99 cm. Replacing these in the above equation:

10.99 cm = θ*7cm

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Then the angle is 1.57 radians. Remember that:

3.14 radians = 180°

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θ = (1.57/3.14)*180° = 90°

If you want to learn more about arcs:

brainly.com/question/2005046

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2 years ago
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Schach [20]

Answer:

5 boys could be the Answer im pretty sure its the Anwser ?

Step-by-step explanation:

8 0
2 years ago
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