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gtnhenbr [62]
3 years ago
12

I need help on this math

Mathematics
1 answer:
stellarik [79]3 years ago
4 0

Answer: x= -5

Stexp-by-step explanation:

If you look at the table given, G(x) -20 is alligned with x=-5

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What is the area of the circle?
Bumek [7]

Answer:

363

Step-by-step explanation:

Formula for area of a circle

A = πr^2

Where r = radius

The circle has a given radius of 11

To find the area of the circle we simply substitute r in the formula with the value of the radius (11)

( Also note that the question says to use 3 for π )

A = πr^2

π = 3

r = 11

Substitute values in formula

A = (3)(11)^2

11^2 = 121

A = 121(3)

121(3) = 363

A = 363

8 0
3 years ago
Read 2 more answers
There are 35 birds in a tree. Then 17 flew away. How many birds are tin the tree now. Regroup a ten.
alexira [117]
18 birds are left then regroup a ten 28 I hope it’ helps
4 0
3 years ago
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I’m confused on this answer anyone know it?
slamgirl [31]

Answer:

y=\frac{26}{7},\:x=-\frac{15}{7}

Step-by-step explanation:

\begin{bmatrix}4x+5y=10\\ -2x+y=8\end{bmatrix}\\\\\begin{bmatrix}-2\cdot \frac{10-5y}{4}+y=8\end{bmatrix}\\\\

-5+\frac{7y}{2}=8\\\\\mathrm{Multiply\:both\:sides\:by\:}2\\-5\cdot \:2+\frac{7y}{2}\cdot \:2=8\cdot \:2\\-10+7y=16\\y=\frac{26}{7}\\

\mathrm{For\:}x=\frac{10-5y}{4}\\\mathrm{Subsititute\:}y=\frac{26}{7}\\x=\frac{10-5\cdot \frac{26}{7}}{4}\\\\

x=-\frac{15}{7}\\

7 0
3 years ago
The circumference of Earth at the equator is about 40,074 kilometers. Find the diameter of Earth to the nearest kilometer.
PtichkaEL [24]

Answer:

C.62,884

Step-by-step explanation:

8 0
3 years ago
What is an equation of the line that is parallel to y=4x−10 and passes through (1, 13) ?
klasskru [66]
If a line is parallel to another line,Then the gradients are the same.So m=4 .Using general formula for str8 line, y=mx+c
y = 4x + c
sub in coorfinates (1,13)
13  = 4 + c
So C=9.
y = 4x + 9

4 0
3 years ago
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