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Tema [17]
3 years ago
13

Solve the system of equations.

Mathematics
2 answers:
algol [13]3 years ago
5 0
8x + 5(-4x) = 24
8x - 20x = 24
-12x = 24
x = -2

y = -4(-2)
y = 8

Therefore, the point of intersection is (-2,8).
soldier1979 [14.2K]3 years ago
5 0

Answer:x= -2

Y=8

Step-by-step explanation:

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9. P(no more than 16 | prime
koban [17]
17 prom is the answer
7 0
2 years ago
A sphere has a surface area of about 999 square millimeters. What is the radius, in millimeters, of the sphere
motikmotik

Given that, a sphere has a surface area of about 999 square millimeters.

Formula to find the surface area of sphere is,

S= 4πr² Where r = radius of the sphere and S= surface area.

Given S= 999 square millimeters.

So, we can write:

4πr² = 999

4 * 3.14 * r² = 999 Since, π = 3.14

12.56 *r² = 999

r^2=\frac{999}{12.56} Divide each sides by 12.56.

r² = 79.53821656

r = √79.53821656 Taking square root to each sides of equation.

r = 8.918420071

So, r = 8.918 Rounded to nearest thousandth.

So, radius of the sphere is 8.918 millimeters.

Hope this helps you!

5 0
3 years ago
carl wants to buy a television that costs $500, including taxes. To pay for the television, he will use a payment plan that requ
agasfer [191]
<span>The payment plan requires him to make a down payment of $125, and then pay $72.50 each month for 6 months. The total payment would be: $125 + 6*$72.50= $125 + $435= $560

</span><span>The percent increase from the original costs would be:
($560-$500) / $500 * 100%= 12%</span>
8 0
4 years ago
Read 2 more answers
Hello there hello hello
OleMash [197]

Answer:

<u>(-4,-7)</u>

Step-by-step explanation:

The process of a reflection across the y axis is simply just switching the x value in (x,y) to a negative. So, (4,-7) and then make 4, a -4. So the resulting image is (-4,-7)

4 0
3 years ago
Read 2 more answers
APEX
Len [333]

Answer:

B. 30

Step-by-step explanation:

A line is 180 degrees, so when we have 100, we subtract that from 180 to get the interior angle of 80.

A triangle has a sum of 180, so we just subtract 80 and 70 from 180 to get 30.

Hope this helps

5 0
3 years ago
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