2 years ago

HELPpppp MeeeeE PLZ!!!!!!!!

Mathematics

1 answer:

Art [367]2 years ago

7 0

Answer:

answer is a

Step-by-step explanation:

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PLEASE ANSWWR ASAP thanks

AleksAgata [21]

(4x - 8) = 80/2
4x - 8 = 40
4x = 48
x = 12
answer
x = 12

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2 years ago

Super hero academy's ratio of boys to girls is 5:3. If 7th grade has 150,

UkoKoshka [18]

Answer:

94 boys and 56 girls.

Step-by-step explanation:

150/8 = 18.75 = x

b=x*5 = 94

g=x*3 = 56

b+g=150

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2 years ago

There are 23 students in ms day”s class. Only 17 students are present today use the model to find A the number of students that

hodyreva [135]

Answer:

6 students are absent.

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2 years ago

Hamid has gained weight. He now weighs 88kg, which is 10% higher than his normal weight. What is his normal weigh?

kozerog [31]

Answer:

80kg

Step-by-step explanation:

100 + 10 = 110% (Percentage of gained weight)

110% = 88000

1% = 88000 ÷ 110 = 800

100% = 800 x 100 = 80000

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2 years ago

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The bottom portion of a loading bin is cone shaped. The base radius of this part of the bin is 3.5 feet and the slant height is

jek_recluse [69]

$\bf \textit{lateral surface of a cone}\\\\ LA=\pi r\sqrt{r^2+h^2}~~ \begin{cases} ~~ r=radius\\ sh=\stackrel{slant~height}{\sqrt{r^2+h^2}}\\[-0.5em] \hrulefill\\ r=3.5\\ sh=6.5 \end{cases}\\\\\\ LA=\pi (3.5)(6.5)\implies LA\approx71.47 \\\\[-0.35em] ~\dotfill\\\\ \stackrel{sh}{6.5}=\sqrt{r^2+h^2}\implies 6.5=\sqrt{3.5^2+h^2}\implies 6.5^2=3.5^2+h^2 \\\\\\ 6.5^2-3.5^2=h^2\implies \sqrt{6.5^2-3.5^2}=h\implies \sqrt{30}=h \\\\[-0.35em] ~\dotfill$

$\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=3.5\\ h=\sqrt{30} \end{cases}\implies V=\cfrac{\pi (3.5)^2\sqrt{30}}{3}\implies V\approx 70.26$

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2 years ago

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