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3 years ago

11

Solve for x:(-771)+x=0

1 answer:

NeX [460]3 years ago

4 0

Answer:

x=771

Step-by-step explanation:

−771 + x = 0

x − 771 = 0

x − 771 + 771 = 0 + 771

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A village wishes to measure the quantity of water that is piped to a factory during a typical morning. A gauge on the water line

anzhelika [568]

Answer:

570 m³

Step-by-step explanation:

The volume of water is the product of flow rate of water and the time taken. We are to get the volume of water used between 6 am and 9 am, that is for 3 hours (9 - 6).

We are given the flow rate at 6 am and the flow rate at 9 am, but this flow rate changes between 6 am and 9 am. To get the estimate of the water used, Let us assume that it flows at the same flow rate as it was at 6 am throughout, hence:

$V_L= 100 m^3/h * 3h=300\ m^3$

Also, let us assume that it flows at the same flow rate as it was at 9 am throughout, hence:

$V_R= 280 m^3/h * 3h=840\ m^3$

To get the best estimate of the total volume, let us find the average of the two values, hence:

$Volume=\frac{V_L+V_R}{2} =\frac{300+840}{2}=570\ m^3$

3 0

3 years ago

A pet store sells tropical fish. One week they sell 15 anglefish, 9 tetras, 42 guppies. The owner uses ratios of sales to compar

Ivahew [28]

Answer: 15:42or simplified 5:14

Step-by-step explanation:

15 angelfish to 42 guppies

15/3= 5

42/3=14

so the ratio of 15:42 is equal to 5:14

5 0

3 years ago

Solve for m.<br><br> -5m = -35<br> m = ?

IgorLugansk [536]

-5m = -35

-5m/-5 = -35/-5

m = 7

Answer: m = 7

6 0

3 years ago

Read 2 more answers

Work out 4/5 - 1/5<br> work out 9/11 +5/11 <br> work out 3/4 + 1/8

____ [38]

Answer:

4/5-1/5=6.0

9/11+5/11=1.27

3/4+1/8=0.875

3 0

3 years ago

Multiply and simplify: -3x^2y^2 times x^4

pishuonlain [190]

It's the first answer choice.
Steps:
-3x^2y^2x^4
(Apply the exponent rule)
x^4x^2 = x^2+4 = x^6

= -3x^6y^2

8 0

3 years ago