Help!! (is only needed to answer 4 of this questions)(barinly for extra answers)

Mathematics

2 answers:

german3 years ago

4 0

5. 1
6. 8/9
7. 0
8. 1/5
9. 1 1/4
10. 5/6
11. 1/5
12. 1 3/7

if i am correct please give me brainpower because i did a lot :)

Arisa [49]3 years ago

3 0

Step-by-step explanation:

if right then mark me as brainlists

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I need this problem solved real quick

PIT_PIT [208]

Let's take this problem step-by-step:

The ;unlabeled angle' adjacent to the 'outside angle of measure 78°'

⇒ is on a straight line

⇒ sum of angle measure = 180 degrees

$unlabeled_.angle+78 = 180\\unlabeled_.angle = 102$

Now we know:

⇒ sum of all angles in a triangle ⇒ 180°

Let's put that in equation form and solve:

$x + 102 + 57=180\\x + 159=180\\x = 21$

Answer: 21°

Hope that helps!

#LearnwithBrainly

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Identifying a constant of variation question R= ?

jek_recluse [69]

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We can also write it as:

$PV=R$

R is the constant of proportionality. Using the first row of given table, we can write:

$2(4.155)=R \\ \\ 
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3 years ago

Jeremiah makes $150 a week.he spent 112.what fraction of his weekly pay has he spent

Paraphin [41]

112/150, then reduce. the answer is 56/75

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Read 2 more answers

PLEASE ITS DUE 5 MINS

kolezko [41]

Answer:

I'm sorry pls retake the pic really quickly.. I can't see the entire problem!