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Crank
3 years ago
7

(4+2r)3 solve equation please

Mathematics
1 answer:
Goryan [66]3 years ago
4 0
The answer is 12+6r.

Hope that helps!!!
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A c ompany purchased 3,128 bottles of water.Each departments needs 55 bottles.Which compatible numbers provide a better estimate
charle [14.2K]

Answer:

3,000 divided 60 are the compatible numbers, and the estimate is 50.

Step-by-step explanation:

Compatible numbers can be described as numbers which are close in value to the actual numbers and can easily be added, subtracted, multiplied, or divided mentally.

From the question, 3,000 divided 60 are the compatible numbers that provide a better estimate for the number of departments that can get the bottles because 55 can be rounded up to 60.

The estimate will therefore be as follows:

Estimate = 3,000 / 60 = 50

8 0
2 years ago
I need to find the slope
QveST [7]

Answer:

m = -3

Step-by-step explanation:

We can find the slope by using

m = (y2-y1)/(x2-x1)

 We use two points

(0,-4) and (-2,2)

m = (2 - -4)/(-2 -0)

   = (2+4)/(-2-0)

   =6/-2

  = -3

5 0
3 years ago
Read 2 more answers
The Intelligence Quotient (IQ) test scores for adults are normally distributed with a population mean of 100 and a population st
saveliy_v [14]

Answer:

The probability is 0.6796

Step-by-step explanation:

Given

Population Mean - 100

Population Standard Deviation - 25

As we know

z = x-μ/σ, where:

z is the standard score

x is the raw score  

μ is the population mean

σ is the population standard deviation

Z value for mean of sample = 95

z1 = -100+95/25 = -5/25 = -0.2

P value for Z = -0.2 is 0.2912

Z2 = 100-105/25 = 0.2

P(z > 0.2 = 1 - P(z ≤ 0.2) = 1 - 0.0294 = 0.9706

P(-0.2 < z < 0.2) = 0.9706 - 0.2912= 0.6796

The probability is 0.6796

5 0
2 years ago
Rewrite the function by completing the square.<br> f(x) = x2 – 10x + 44<br> +<br> f(x) = (x+
iVinArrow [24]

Answer:

f(x)=(x-5)^{2}+19

Step-by-step explanation:

we have

f(x)=x^{2}-10x+44

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)-44=x^{2}-10x

Complete the square. Remember to balance the equation by adding the same constants to each side.

f(x)-44+25=x^{2}-10x+25

f(x)-19=x^{2}-10x+25

Rewrite as perfect squares

f(x)-19=(x-5)^{2}

f(x)=(x-5)^{2}+19

8 0
3 years ago
The diagram shows the top view of a prism sitting upright on one of its trapezoidal bases. The height of the prism is 10 cm. Wha
inn [45]
Base in your diagram which shows the top view of a prism sitting upright on one of its trapezoid bases and the height of the prism is 10cm. The surface area base on my calculation is 124cm^2. I hope i answered your question correctly
7 0
3 years ago
Read 2 more answers
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