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Tom [10]
2 years ago
9

Please help me I don’t know what to do

Mathematics
1 answer:
Lisa [10]2 years ago
5 0

Answer:

(x-3,y-4) = correct

Step-by-step explanation:

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Surface area in terms of pi?
Lunna [17]

\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\ \cline{1-1} V=972\pi \end{cases}\implies 972\pi =\cfrac{4\pi r^3}{3}\implies 2916\pi =4\pi r^3 \\\\\\ \cfrac{2916}{4\pi }=r^3\implies 729=r^3\implies \sqrt[3]{729}=r\implies 9=r \\\\[-0.35em] ~\dotfill\\\\ \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies SA=4\pi (9)^2\implies \boxed{SA=324\pi }

5 0
3 years ago
Find the measure of MN¯¯¯¯¯¯¯¯¯¯.
Monica [59]

Answer:

MN-27

Step-by-step explanation:

the formula will be

NL×ML=KL^2

so substitute to get

24x=432

x=18

MN- 2x-9=2×18-9=27

5 0
3 years ago
Given the following students' test scores (95, 92, 90, 90, 83, 83, 83, 74, 60, and 50), identify the mean, median, mode, range,
il63 [147K]
Mean- 71.7
median- 83
mode- 90, 83
range- 45
variance- 50

i do not remember standard deviation.
3 0
3 years ago
A person takes a trip, driving with a constant speed of 89.5km/h, except for a 22min rest stop. If the person's average speed is
Marizza181 [45]
<span>Call x the distance traveled V = x / t = 89.5 = x / t => x = 89.5t Rest time in hours = 22min * 1 h / 60 min = 11/30 h Total time spent on the trip = t + 11/30 => Average speed = 77.8 = x / (t + 11/30)=> x = 77.8 (t + 11/30) => 89.5t = 77.8 (t + 11/30) => 89.5t = 77.8t + 77.8 * 11/30 => 89.5 – 77.8t = 28.527 => 11.7 t = 28.527 => t = 28.527 / 11.7 => t = 2.44 h => t + 11/30 = 2.81 h => x = 89.5t = 89.5 * 2.44 = 218.3 km Answers: a) 2.81 h; b) 218.3 h </span>
5 0
3 years ago
Susan has a 12-inch board for a wooden chair. the directions say to use a board that is 29 centimeters long . is her board long
Vlad [161]

Step-by-step explanation:

A 12-inch long board is basically a feet long

A feet consists of 30 centimeters which is 1 more than 29.

No! The board is not long enough

12 inch board is 30.48 centimeters

<h3><u><em>Please mark this as brainliest</em></u></h3><h3><u><em>hope this helps</em></u></h3><h3><u><em>Thank you</em></u></h3><h3><u><em>: )</em></u></h3>
6 0
3 years ago
Read 2 more answers
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