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seraphim [82]
4 years ago
9

Translate twenty-one less than the product of s and negative four into a variable expression

Mathematics
1 answer:
Leno4ka [110]4 years ago
3 0
-4s-21 would be the answer
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Is (3,13) a solution of y = 2x - y
PtichkaEL [24]

Answer:

NO

Step-by-step explanation:

(x, y) so if you plug in your points... 13 = 2(3) - 13

To solve:

Multiply:    13 = 2(3) - 13

Subtract:   13 = 6 - 13

Answer:     13 does not equal -7

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3 years ago
An anthropologist studies a woman's femur that was uncovered in Madagascar. To estimate the woman's height, he uses the equation
Lelu [443]

Answer:

The inequality f>40 represents the length of the femur for which the woman had a height greater than 160cm.

Step-by-step explanation:

The given equation is

h=60+2.5f

Where, h is woman's height in centimeters and f is length of the femur in centimeters.

If woman's height is greater than 160cm, then

h>160

60+2.5f>160

Substract 60 from both sides.

2.5f>100

Divide both sides by 2.5.

f>40

Therefore the inequality  f>40 represents the lengths of the femur for which the woman had a height greater than 160cm.

5 0
4 years ago
Out of 100 books in a libraty, 40 had Electronic content, 10 are based on
joja [24]

Answer:

9/10

Step-by-step explanation:

40+50=90

90/100

9/10

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6 0
3 years ago
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3 years ago
What is 2 x 7 divided by 3 subtracted by 2.
Fudgin [204]

Answer:

Step-by-step explanation:

2x7=14

14 divided by 3= 4.66666666667

4.66666666667 -2 = 2.66666666667

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