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Y_Kistochka [10]
3 years ago
6

Solve −3(7n+3)<6n. Write the solution using set-builder notation.

Mathematics
1 answer:
Darya [45]3 years ago
6 0
-1/3 is less than n.

you distribute and solve for n.
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Please show work
OlgaM077 [116]

Answer:

3.7hours

Step-by-step explanation:

Step one:

A car travels 360 miles in 8 hours

the speed is calculated as

speed= distance/time

speed= 360/8

speed= 45mph

Step two:

How much time will it take traveling 168 miles?

having found the speed, which is the rate at which the car is tavelling

time= distance/speed

time= 168/45

time= 3.7hours

8 0
3 years ago
Simplify.
Ne4ueva [31]

Answer:

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3 years ago
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Supplementary angles. If m
Olegator [25]

Answer:

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3 0
2 years ago
How many pounds of a 4% solution of borax must be added to 24 pounds of a
Marrrta [24]

Answer:

8 pounds of 4% solution of borax

Step-by-step explanation:

Let x  be the 4% solution

24 pounds of 12% solution  

obtain a 10% solution of borax that is (x+24) pounds

4% is 0.04  and 12% is 0.12  , 10% is 0.1

0.04x+24(.12)=0.1(x+24)

solve the equation for x

0.04x+24(.12)=0.1(x+24)\\0.04x+2.88= 0.1x+2.4\\2.88= 0.06x+2.4\\0.48=0.06x\\x=8

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6 0
3 years ago
Solve the equation and express each solution in a + bi form.<br> X^4-8x^2-48=0
STALIN [3.7K]

Step-by-step explanation:

x⁴ − 8x² − 48 = 0

(x² + 4) (x² − 12) = 0

x = ±2i, x = ±√12

4 0
3 years ago
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