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Zanzabum
3 years ago
9

WILL MARK BRAINLIST!!!!!!!!!!!!

Mathematics
1 answer:
Semmy [17]3 years ago
4 0

Answer:

T_{21} = 53

Step-by-step explanation:

Given

a = -7

d = 3

Required

Determine T_{21}

This is calculated using sum of Ap formula

T_n = a + (n - 1)d

In this case:

n =21

So, the equation becomes

T_{21} = -7 + (21 - 1) * 3

T_{21} = -7 + 20 * 3

T_{21} = -7 + 60

T_{21} = 53

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A $15 wholesale Suitcase is marked up 470% and then put on discount for 10%. What is the final price?
leva [86]

Answer:

$63.45

Step-by-step explanation:

first, find 470% of 15. 470*15=$70.50. then, find 10% of it. 70.50 divided by 10 = $7.05. then subtract it from the new price to get the final price. 70.50 - 7.05 = $63.45

4 0
4 years ago
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alekssr [168]
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Find the area of the triangle SHOW WORK
Veseljchak [2.6K]

Answer:

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7 0
4 years ago
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astra-53 [7]
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5 0
4 years ago
Answer these plssssssssssssssssssssss
lisov135 [29]

Answer:

15: Yes, no, yes, yes, no; 16A: C = ($0.29)X + ($1.45)Y + ($2.50)Z; 16B: Yes

Step-by-step explanation:

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For question 16:

Part A: We'll set a variable for the number of each supply she can buy. Pencils will be represented by X, pens by Y and Notebooks by Z, and we'll represent total cost by C. The total cost will therefore be represented by C = ($0.29)X + ($1.45)Y + ($2.50)Z.

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8 0
3 years ago
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