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romanna [79]
3 years ago
7

Sally's math grade average went from an 84 to a 98. What was the percent of increase in her grade average?

Mathematics
1 answer:
gogolik [260]3 years ago
3 0

Answer:

98 - 84 = 14(this is the change) now we convert this to a percent

14/1 x 100/100 = 14%

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I forgot to bring pen and paper lol<br> If u click there will be pic ;)
creativ13 [48]

Answer:

99,117

Step-by-step explanation:

1) Use the partial sum method.

1 8 4 9 2

+ 8 0 6 2 5

9 0 0 0 0 (10000+80000)

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1 0 0 0 (400+600)

1 1 0 (90+20)

7 (2+5)

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9 9 1 1 7

6 0
2 years ago
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frosja888 [35]

Answer: 6 triangles

Step-by-step explanation:

hope this helps :)

3 0
1 year ago
1/4+3/8 and show work, please!!
gregori [183]

Answer:

The answer is 5/8

Step-by-step explanation:

Step 1 : Convert both fractions so they have the same denominator (bottom number in the fraction.)

1/4 = 2/8

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2/8 + 3/8 = ?

Step 2 : Add the numerators together to get the numerator for our answer.

2 + 3 = 5

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7 0
2 years ago
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Jean listed the steps involved in the life cycle of a gymnosperm. 1 - The pollen gets stuck in a sticky liquid. 2 - Sperm from t
Andrews [41]

Answer:

b

Step-by-step explanation:

8 0
2 years ago
15 points please help!! :)<br> Find the value of x.
andriy [413]

Answer:

Question 4: -11

Question 5: -7

Step-by-step explanation:

Four

Every triangle has 180 degrees.

So all three angles add to 180

<em><u>Equation</u></em>

60 + 80 + x + 51 = 180

<em><u>Solution</u></em>

Combine the like terms on the left. This is the first time I've seen x be a negative value. Almost all of the time it isn't, which should make you wonder.

191 + x = 180    

Subtract 191 from both sides.

191 - 191 + x = 180 - 191

x = - 11

Five

If a triangle is a right triangle and one of the angles is 45, then so is the other one.

<em><u>Proof</u></em>

a + 45 + 90 = 180         Combine like terms on the left

a + 135 = 180                Subtract 135 on both sides.

a + 135-135=180-135    Combine the like terms

a = 45

<em><u>Statement</u></em>

That means 52 + x = 45 and here is another negative answer. Subtract 52 from both sides

52 - 52 + x = 45 - 52    Combine like terms.

x  = - 7

6 0
3 years ago
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