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ivanzaharov [21]
2 years ago
11

What is 7 times the sum of a number and 8. I will be giving brainliest

Mathematics
2 answers:
andrew-mc [135]2 years ago
6 0

Answer:

7x(a+8)

Step-by-step explanation:

rewona [7]2 years ago
3 0

Answer:

7x(a+8)

Step-by-step explanation:

You might be interested in
a certain test is worth 135 points. how many points (rounded to the nearest point) are needed to obtain a score of 85%?
yanalaym [24]

To obtain a score of 85% on a test worth 135 points, one needs to get 115 points. By using proportions, we get the required value.

<h3>How to write proportions?</h3>

A proportion is defined as an equality between two ratios.

Consider two ratios a:b and c:d. Then, the proportion we can write,

a: b = c : d

Then, the simplification we have for this proportion is

a/b = c/d or ad = bc

<h3>Calculation:</h3>

It is given that, a certain test is worth 135 points.

One to get 85% on this test, he/she needs to get X number of points.

So, we can write the proportions as

X : 135 = 85 : 100

⇒ X/135 = 85/100

⇒ X = 85/100 × 135

∴ X = 114.75 ≅ 115 points

Learn more about proportions at the following link:

brainly.com/question/140018

#SPJ4

7 0
9 months ago
What is the residual value when x = 4?<br><br> -6.72<br> -0.58<br> 0.58<br> 6.72
madreJ [45]

Answer:

Brainliest

Step-by-step explanation:

y=2.78(4)-4.4 = 6.72

5 0
3 years ago
2 equivalent forms of 0.7875
nadezda [96]
Idk what that answer is soooo
4 0
3 years ago
I need a tape diagram that goes with Sadie is saving all her money to buy a horse which will cost her $600. She has already save
ivolga24 [154]

Answer:

407

Step-by-step explanation:

8 0
2 years ago
I need help now btw i am in middle school
vodomira [7]

Answer: x= 3

Step-by-step explanation:

2x + 5 = 11

2x = 6

x = 3

5 0
2 years ago
Read 2 more answers
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