HELP ME REALLY QUICK FOR 20 points.

Mathematics

2 answers:

Debora [2.8K]2 years ago

7 0

Answer:

radius

Step-by-step explanation:

kolbaska11 [484]2 years ago

6 0

Answer:

C. Diameter. It only gives you half the points you selected so you selected 20 points we only get 10 points.

Step-by-step explanation:

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What is the value of 280

hammer [34]

Answer: Well, do you mean the whole value? If so... it's two-hundred and eighty. If you mean the individuals, then the two is two-hundred, the 8 is eighty.

Step-by-step explanation:

3 0

3 years ago

Question 2(Multiple Choice Worth 1 points) (06.01) Solve 2x + 5y = −13 3x − 4y = −8 (4, 1) (−4, 1) (4, −1) (−4, −1)

dlinn [17]

ANSWER

The solution is
$(-4,-1)$

EXPLANATION

The given equations are:

$2x + 5y = - 13...(1)$

and

$3x - 4y = - 8...(2)$

We multiply equation 1 by 3 to get,

$6x + 15y = - 39...(3)$

We multiply equation 2 also by 2 to get,

$6x - 8y = - 16...(4)$

We subtract equation 4 from equation 3 to get,

$23y = - 23$
This implies that,

$y = - 1$

We put this value of y into any of the equations say equation 2

$3x - 4( - 1) = - 8$
Simplify

$3x + 4 = - 8$
Group like terms
$3x = - 8 - 4$
Simplify,

$3x = - 12$

Divide both sides by 3 to get,

$x = - 4$

Therefore the solution is
$(-4,-1)$

The correct answer is option D.

3 0

3 years ago

Ik rp because the i forgot the sc

Stels [109]

Answer:

Step-by-step explanation:

This is a geometric mean problem...a ratio. The geometric mean is the height of the triangle, 6. To solve:

$\frac{x}{6} =\frac{6}{3}$ and cross multiply to solve for x: