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2 years ago

Plz help ill give u brainlist

Mathematics

2 answers:

GarryVolchara [31]2 years ago

7 0

V = (1/3)Ah

V = (1/3) * (5.4 cm * 4.7 cm)/2 * 4.4 cm

V = 18.612 cm^3

Answer: 18.6 cm^3

sineoko [7]2 years ago

5 0

The answer is 18.5, I believe

good luck

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Find the length of RA. A. 42 B. 84 C. 14 D. 7

fiasKO [112]

Answer:

$\large \boxed{\mathrm{B. \ 84}}$

Step-by-step explanation:

$LU$ bisects $RU$ and $UA$ .

$RU=UA$

$3m+21=6m$

Solve for m.

Subtract 3m from both sides.

$21=3m$

Divide both sides by 3.

$7=m$

Calculate $RA$ .

$RA=3m+21+6m$

$RA=9m+21$

Put m = 7.

$RA=9(7)+21$

$RA=63+21$

$RA=84$

3 0

3 years ago

Read 2 more answers

What is the degree of the polynomial?

neonofarm [45]

Answer:

Step-by-step explanation:

6x^2 + 7x^3 + 8x^5 +9

Write in order from highest power to lowest power

8x^5 + 7x^3 + 6x^2 +9

The highest power ( largest exponent) is 5

The degree of the polynomial is 5

6 0

2 years ago

Y=x-3 and y=-3x+25 in substitution form

Vlad1618 [11]

(x-3)=-3x+25

Because we know that y=x-3 so we put that in place of y in the equation

8 0

3 years ago

Help please

Novosadov [1.4K]

$General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-7,5)\ (-4,1)\ into\ equation\\\\ 
\left \{ {{5=-7a+b}\ \ \ \ \atop {1=-4a+b\ |*-1}} \right.\\\\ \left \{ {{5=-7a+b}\ \ \ \ \atop {-1=4a-b}} \right.\\\\
+----\\\\Addition\ method\\\\
4=-3a\ \ |:(-3)\\\\
a=-\frac{4}{3}\\\\
b=5+7a=5+7*(-\frac{4}{3})=5-\frac{28}{3}=-4\frac{1}{3}\\\
Answer\ y=-\frac{4}{3}x-4\frac{1}{3}\\\\
Checking\ solution:\\
y-5=-\frac{4}{3}(x+7)
$ $y-5=-\frac{4}{3}x-\frac{28}{3}\\\\
y=-\frac{4}{3}x-\frac{28}{3}+5\\\\
y=-\frac{4}{3}x-4\frac{1}{3}\\\\Answer:B \ and\ D.$

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3 years ago

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Sean Wrona is the fastest typist in the world and can type an average of about 500 words in three minutes.

VARVARA [1.3K]

Answer:

166.67 is answer of this question

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2 years ago