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3 years ago

I want to learn how to do this problem

Mathematics

1 answer:

Dahasolnce [82]3 years ago

8 0

Numbers multiplied kwiwiijwi

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I can’t answer this can someone please help me

KATRIN_1 [288]

Answer:

5,400.3 * 10^3

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3 years ago

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Need help so much on Circle Please help me for my geometry honors work please! Thank you

vichka [17]

Answer:

x = 95

Step-by-step explanation:

The total degree of a circle is 360. The twp arcs on each side of the parallel lines are equal.

Subtract 135 and 35 from your total

360 - 135 - 35 = 190

Divide your answer by 2

190 ÷ 2 = 95

6 0

3 years ago

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Find the volume of a cone with a base radius of 4 ft and a height of 6 ft. I really need help with this asap. I will give 10 poi

Artyom0805 [142]

Step-by-step explanation:

V=1/3 × πr²h

since H=6, R=4

V= π×(4)²×(6)/3

V=96π/3

V=32π

Note: ( we are not given the pie (π) value )

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3 years ago

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A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of them have pet dogs. How many s

katrin2010 [14]

Answer:B-196

Step-by-step explanation:(24/60)=0.4

490x0.4=196

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4 years ago

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Homework: 5.1 Systems of Linear Equations

Klio2033 [76]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

Step-by-step explanation:

Given the system of linear equations

$7x-y=51$

$x+3y=23$

solving by the elimination method

$\begin{bmatrix}7x-y=51\\ x+3y=23\end{bmatrix}$

$\mathrm{Multiply\:}x+3y=23\mathrm{\:by\:}7\:\mathrm{:}\:\quad \:7x+21y=161$

$\begin{bmatrix}7x-y=51\\ 7x+21y=161\end{bmatrix}$

$7x+21y=161$

$-$

$\underline{7x-y=51}$

$22y=110$

$\begin{bmatrix}7x-y=51\\ 22y=110\end{bmatrix}$

now solving for y

$22y=110$

$\mathrm{Divide\:both\:sides\:by\:}22$

$\frac{22y}{22}=\frac{110}{22}$

$y=5$

$\mathrm{For\:}7x-y=51\mathrm{\:plug\:in\:}y=5$

$7x-y=51$

$7x-5=5$

$7x=56$

$\mathrm{Divide\:both\:sides\:by\:}7$

$\frac{7x}{7}=\frac{56}{7}$

$x=8$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

7 0

3 years ago