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3 years ago

What is the y-intercept of the graph?

Mathematics

2 answers:

I am Lyosha [343]3 years ago

5 0

Answer:

Step-by-step explanation:

balu736 [363]3 years ago

4 0

The answer is 6 the person above me has it right!

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Kim works 4 hours more each day than jill does, and jack works 2 hours less each day

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3 years ago

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Using the graph below, what is the best estimate of month 7's average temperature if the equation for the line of best fit is y

defon

Substitute x to be 7 (for month 7) and work out the equation:

y = -13(7) + 111

y = -91 + 111

y = 20

Your answer is 20 degrees Fahrenheit.

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3 years ago

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Two pupils each drew a triangle with one side of 6 cm , one side of 10 cm and one side of 7 cm. Must their triangles be congruen

7nadin3 [17]

Answer:

Step-by-step explanation:

they can be either side because the numbers are different in the angles

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3 years ago

True or False? A circle could be circumscribed about the quadrilateral below.

Leya [2.2K]

Answer: b. false

Step-by-step explanation:

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3 years ago

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A cable hangs between two poles of equal height and 35 feet apart. At a point on the ground directly under the cable and x feet

gayaneshka [121]

Answer:

293.38 pounds

Step-by-step explanation:

We are given that

Distance between poles=35 feet

$h(x)=10+0.1(x^{1.5})$

Weight of cable=10.4 per linear foot

We have to find the weight of the cable.

Differentiate w.r.t

$h'(x)=0.1(1.5)x^{0.5}=0.15x^{0.5}$

$s=2\int_{0}^{17.5}\sqrt{1+(h'(x))^2}dx$

$s=2\int_{0}^{17.5}\sqrt{1+(0.15x^{0.5})^2}dx$

$s=2\int_{0}^{17.5}\sqrt{1+0.0225x}dx$

Let $1+0.0225x=t$

$dx=\frac{1}{0.0225}dt$

$s=\frac{2}{0.0225}\int_{0}^{17.5}\sqrt{t}dt$

$s=\frac{2}{0.0225}\times\frac{2}{3}[t^{\frac{3}{2}}]^{17.5}_{0}$

$s=2\times \frac{2}{3\times0.0225}[(1+0.0255x)^{\frac{3}{2}]^{17.5}_{0}$

$s=\frac{4}{3\times 0.0225}((1+0.0225(17.5))^{\frac{3}{2}-1)$

s=28.21

Weight of cable= $28.21\times 10.4=293.38$ pound

8 0

3 years ago