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Pavel [41]
3 years ago
14

If the point (x, y) is on the y-axis, which of the following must be true? A). x=0 B). y=0

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

X = 0

Step-by-step explanation:

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Write the polynomial in standard form. Then name the polynomial on its degree and numbers of terms. 8-4x^2+10x^2+2x
mojhsa [17]
8-4x^2+10x^2+2x
8+6x^2+2x
6x^2+2x+8

This is a quadratic equation since it has three terms. Now, a=6 (that is, a≠0) and therefore, it is a quadratic trinomial equation.

The correct answer is C.)
6 0
3 years ago
The complement of angle a is 20° less than half the supplement of angle a. find the measure of angle a.
igor_vitrenko [27]

Answer:

∠a=40°

Step-by-step explanation:

complement of angle a=90-a

supplement of angle a=180-a

90-a=1/2(180-a)-20

multiply by 2

180-2a=180-a-40

180-180+40=-a+2a

a=40

8 0
1 year ago
Jim is 5 years older than Cindy. 4 years ago, the sum of their ages was 21. Find each of their ages now.
Dmitry_Shevchenko [17]
Jim is 16 because take away 21-5=16.Now Cindy 21-4=17.Cindy is 17.Jim is 16.
4 0
3 years ago
Plz need help for a grade god explanation and answer get brainliest
Ivanshal [37]

Answer:

20%

Step-by-step explanation:

There is a 20% chance you get selected for researching China because 5 out of 25 spaces are ones for researching China.

\frac{5}{25} =\frac{20}{100}

3 0
3 years ago
AHHHHHHHHHH I DON'T LIKE MATH!!!!!!!!!!!!!!!!
REY [17]

Answer:

The answer is 5 1/16

Step-by-step explanation:

3/2 x 3/2 x 3/2 x 3/2

3/2 x 3/2 = 9/4

9/4 x 3/2 = 27/8

27/6 x 3/2 =81/16

Turn 81/16 into a mixed fraction and it’s 5 1/16

Therefore, the answer is 5 1/16

6 0
3 years ago
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