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3 years ago

ASAP Please show working out I will give out brainiest :)

Mathematics

2 answers:

Alisiya [41]3 years ago

5 0

The answer should be (B) if not sorry

Firdavs [7]3 years ago

3 0

The answer is B

gusts bc f d b v sbbdjdbhdbdhdhbdndhd

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Find the surface area. 7 In 5 in helppppp

vivado [14]

Is the surface a rectangle?? If so, then the surface area would be 35

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3 years ago

A line has y intercept -6 and a x-intercept - 12. what is the equation of the line

koban [17]

Answer:

$\boxed{y = -\dfrac{1}{2}x-6}}$

Step-by-step explanation:

The equation for a straight line is

y = mx + b

where m is the slope of the line and b is the y-intercept.

The line passes through the points (-12, 0) and (0, 6)

(a) Calculate the slope of the line

$\begin{array}{rcl}m & =&\dfrac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\ & = &\dfrac{6 - 0 }{0 - (-12)}\\\\& = &\dfrac{6}{-12}\\\\& = & -\dfrac{1}{2}\\\end{array}$

(b) Write the equation

The y-intercept is at x = -6.

$\text{The equation for the line is $\boxed{\mathbf{y = -\dfrac{1}{2}x-6}}$}$

The diagram shows the graph of the line passing through the two intercepts.

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3 years ago

If f(x) = − 5, what is f(8.6)?

julia-pushkina [17]

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3 years ago

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Monique designed a square patio. She made the sides of the patio 15 feet. What is the area of the patio?

mixas84 [53]

Answer:

225 square feet

Step-by-step explanation:

15feet times 15 feet.... thats how you get the area of the square

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4 years ago

A storage tank holds 235,500 in3 of a chemical. The chemical is dispensed to completely fill 25 identical cylindrical containers

VMariaS [17]

The volume of every of the 25 cylindrical containers is 235,500/25 = 9,420 in^3

The formula for the volume of a cylinder is:

V = π(r^2).h

Where π=3.14, r = 2.5 in, V = 9,420 in^3, so you can obtain h as:

h = V / (πr^2) = 9,420 / [(3.14) (2.5^2)] = 480 in

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4 years ago