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3 years ago

9

find all numbers whose absolute value is 7. if there is more than one, separate them with commas. If there are no such numbers,

click on "none".

1 answer:

lozanna [386]3 years ago

5 0

the absolute value of 7 is 7 and the absolute value of -7 is 7

7, -7

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The difference between two numbers is 78. Five times the smaller is equal to 6 more than the larger. What are the numbers?

Setler79 [48]

The larger number is 99. The smaller number is 21.

6 0

4 years ago

A coffee distributor plans to mix some Rift Valley coffee that normally sells for $12.10 per pound with some Mexican Shade Grown

-BARSIC- [3]

Answer:

24 pounds of Rift Valley coffee

26 pounds of Mexican Shade Grown coffee

Step-by-step explanation:

If R is pounds of Rift Valley coffee, and M is pounds of Mexican Shade Grown coffee, then:

R + M = 50

12.10 R + 13.10 M = 12.62 (50)

Substitute:

12.10 R + 13.10 (50 − R) = 12.62 (50)

12.10 R + 655 − 13.10 R = 631

R = 24

M = 26

8 0

3 years ago

The weight of an African elephant is 6 × 106 grams; the weight of a tiger is 3 × 105 grams. How many times heavier is the elepha

Otrada [13]

I got 20. 6 x 10^6/3 x 10^5 = 2 x 10^1 = 2 x 10 = 20

6 0

4 years ago

Solve the inequality −4y + 6 < −14.

timama [110]

Answer:

y >5

Step-by-step explanation:

−4y + 6 < −14

Subtract 6 from each side

−4y + 6-6 < −14-6

-4y < -20

Divide by -4. Remember to flip the inequality since we are dividing by a negative

-4y/-4 >-20/-4

y >5

5 0

4 years ago

A helicopter blade spins 775 times in 3 minutes. find the rate of the revolutions per second.

Stolb23 [73]

Use the proportions property:

775 times ---------- 180 sec
x ---------- 1 sec

$x=\frac{775}{180}=4.3 \ times \ per \ sec$

3 0

3 years ago