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3241004551 [841]

3 years ago

5

If 5x - 2 = -12, then x =

2 answers:

Paha777 [63]3 years ago

8 0

Answer: -2

Step-by-step explanation:

Drupady [299]3 years ago

3 0

Answer:

x=-2

Step-by-step explanation:

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A person bikes 2 1/2 miles at a constant rate in 1/8 of an hour. What distance, in miles,does the person bike in an hour?

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The person bikes 20 miles in an hour.

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3. At the beginning of the day, a water tank contained 526.8 gallons of water. During the day,

Andru [333]

Answer:

208.85

Step-by-step explanation:

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Two points located on jk are j (-1,-9) and k (5,3). What is the slope of jk?

Ivenika [448]

Answer:

2

Step-by-step explanation:

slope of line= $\frac{y1 - y2}{x1 - x2}$

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3 years ago

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Someone help me with this ples with steps

SSSSS [86.1K]

Answer:

$x=\frac{21}{4}$

$y=\frac{21}{2}$

Step-by-step explanation:

equation (1): $\frac{1}{2} (2x+y)=\frac{21}{2}$

equation (2): y=2x

solve the system by substitution

step1: sub (2x) for y in equation 1:

$\frac{1}{2} (2x+y)=\frac{21}{2}$

$\frac{1}{2} (2x+2x)=\frac{21}{2}$

step2: simplify the expression:

$\frac{1}{2} (4x)=\frac{21}{2}$

$2x=\frac{21}{2}$

(divide by 2 for both sides)

$x=\frac{21}{4}$

To find the value for y sub 21/4 for x in equation 2:

y=2x

y=2×(21/4)

$y=\frac{21}{2}$

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3 years ago

Turn the expressions X-4 and 2x+4 into an equation to find X

bekas [8.4K]

X-4=2x+4
-X -X
-4=x+4
-4 -4
X=-8

3 0

4 years ago