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2 years ago

8

one number is four greater than another number.the sum of two numbers is 78.what are the two numbers?

1 answer:

g100num [7]2 years ago

3 0

Answer:

Step-by-step explanation:

27

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A conical tent made of canvas has a base that is 34 feet across and a slant height of 12 feet to the nearest whole unit what is

RideAnS [48]

Check the picture below.

$\bf \textit{total surface area of a cone}\\\\
SA=\pi r\sqrt{r^2+h^2}+\pi r^2~~
\begin{cases}
r=radius\\
h=height\\
-------\\
r=17\\
\sqrt{r^2+h^2}=12
\end{cases}
\\\\\\
SA=\pi (17)(12)+\pi (17)^2\implies SA=204\pi +289\pi \implies SA=493\pi$

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2 years ago

A submarine was 20 feet below sea level. If it ascends (goes up) 30 feet,

pshichka [43]

Answer:

10 ft above sea level

Step-by-step explanation:

20 below goes up by 30 then it would be -20 -10 0 10

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2 years ago

QUICK!!<br><br> Which equation represents the relationship shown in the graph??

Dmitriy789 [7]

Answer:

y=1/2x

Step-by-step explanation:

Look at the graph, all you need is the first point.

Y is at 4 and X is at 2. We can divide y/x to get 4/2=1/2x

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2 years ago

Read 2 more answers

Solve for unknown: 45/15=R/9

lora16 [44]

$~~~~~~~\dfrac{45}{15} = \dfrac{R}9\\\\\\\implies \dfrac{R}9 = 3\\\\\\\implies R = 9 \times 3\\\\\\\implies R =27$

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1 year ago

Please help me out with equations in math!<br> Its a starr review!

Alexeev081 [22]

Answer:

F

Step-by-step explanation:

Multiply -3 by 6.5 and you'll get your answer :)

I hope I helped!

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2 years ago