3 years ago

(2x+8)+(71-x)=180 what is the x

Mathematics

1 answer:

juin [17]3 years ago

8 0

Answer:

x=101

Step-by-step explanation:

2x+8+71−x=180

Step 1: Simplify both sides of the equation.

2x+8+71−x=180

2x+8+71+−x=180

(2x+−x)+(8+71)=180(Combine Like Terms)

x+79=180

Step 2: Subtract 79 from both sides.

x+79−79=180−79

x=101

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Help! answer options included

lawyer [7]

Answer:

Y = [-6 6 6 -6]

Step-by-step explanation:

From the given matrices

If X - 2Y = Z

b - 2c = a ... 1

a -2d = c ...2

4+2a = 16.... 3

a + 2b = b .... 4

From3 ;

2a = 16-4

2a = 12

a = 6

From 4;

a + 2b - b = 0

a+b = 0

a = -b

6 = -b

b = -6

From1;

b - 2c = a

-6 - 2c = 6

-2c = 12

c = -6

also

a - 2d = c

6-2d = -6

-2d = -6-6

-2d = -12

d = 6

Hence the matrices Y = [-6 6 6 -6]

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3 years ago

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kodGreya [7K]

Answer:

52% play video games on their personal computer.

Step-by-step explanation:

884/1700 = 52%

6 0

3 years ago

Write the slope intercept equation of the function f whose graph satisifies the given conditions. The graph of f passes through

MrMuchimi

Let's find slope first.

(1,-2)
(-8,6)

$\\ \sf\longmapsto m=\dfrac{6+2}{-8-1}$

$\\ \sf\longmapsto m=\dfrac{8}{-9}$

Slope intercept form

$\\ \sf\longmapsto y=mx+b$

$\\ \sf\longmapsto y=-\dfrac{8}{9}x-2$

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3 years ago

Basic algebra question I struggle with

maxonik [38]

Cross multiply
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Step-by-step explanation:

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2 years ago

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