3 years ago

Help me plz it’s for a test

Mathematics

1 answer:

sertanlavr [38]3 years ago

6 0

Answer:

L and P because they’re degrees equal 180

Step-by-step explanation:

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4+7(n-6)=-3<br> I forgot the process to answer

ad-work [718]

Answer:

n=5

Step-by-step explanation:

4 + 7n - 42 = -3

+42 +42

4 + 7n = 39

-4 -4

7n = 35

÷7 ÷7

n = 5

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3 years ago

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oee [108]

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3 years ago

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Somebody please help me!!!!! 13 points!

Liono4ka [1.6K]

Answer: a<-3

dont forget the dash under the comparison for A is less or equal to negative 3

Step-by-step explanation:

10+2a<4

10-10+2a<4-10

2a<-6

2/2a<-6/2

a<-3

I simplified the inequality as if it were an equation.

For graphing just make up some random values/ numbers and graph it

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3 years ago

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If the ordered pair (-5/2,y) lies on the graph of y=7-2x, find the value of y

aev [14]

Y=7-2×(-5/2)
Y=7+5
Y=12
The answer is C

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4 years ago

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What is the solution of the linear equation? LaTeX: 5k\:+\:3.8\:=\:3k\:+\:95 k + 3.8 = 3 k + 9 Group of answer choices 26 6.4 .0

lakkis [162]

Answer:

$k = 2.6$

Step-by-step explanation:

Given

$5k + 3.8 = 3k + 9$

Required

Solve

$5k + 3.8 = 3k + 9$

Collect like terms

$5k -3k+ 3.8 = 3k -3k + 9$

$2k+ 3.8 = 9$

Subtract 3.8 from both sides

$2k+ 3.8 - 3.8= 9 - 3.8$

$2k= 9 - 3.8$

$2k = 5.2$

Divide through by 2

$k = 5.2/2$

$k = 2.6$

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3 years ago