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oksian1 [2.3K]
3 years ago
12

Mel and Nancy both worked hard over the summer. Together they earned a total of $525. Mel earned $75 more than Nancy.

Mathematics
2 answers:
Tomtit [17]3 years ago
7 0

Answer:

M- 300

N- 225

Step-by-step explanation:

525 - 75 = 450

450/2= 225

225 + 75 = 300

Rzqust [24]3 years ago
7 0
M-300

N-225. Hope it helps
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10x – 3x + 7 the simplified expression
Brrunno [24]

Answer:

10x - 3x + 7

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= 7x - 7

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Step-by-step explanation:

8 0
3 years ago
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Y = 5/x<br> That happens to the value of y if the value of x triples?
Fofino [41]

Answer:

D. ÷ 3

Step-by-step explanation:

We can use any numbers for x to see what would happen to y:

If x was 5, y would be 1 (because 5 ÷ 5 = 1). Now, if we tripled x and made it 15 (5 × 3 = 15), y would be 1/3 (because 5 ÷ 15 = 1/3).

This means that the value of y divides by 3, option D

Hope this helps!

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2 years ago
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In a population distribution, a score of x= 28 corresponds to z= -1 and a score of X =34 corresponds to z= -0.50. Find the mean
katovenus [111]
Z = (X - mean)/sd
-1 = (28 - mean)/sd
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mean - 0.5sd = 34 . . . (2)

(1) - (2) => -0.5sd = -6
sd = -6/-0.5 = 12
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7 0
3 years ago
Are the following functions inverses?f
a_sh-v [17]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
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enot [183]

Answer:

Step-by-step explanation:

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30/8 boxes is $3.75 a box

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So no, the 6 boxes at $3.79 a box is not a better buy.

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3 years ago
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