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scoray [572]
2 years ago
15

The points (5, -16) and (8, r) lie on a line with slope 4. Find the missing coordinate r.

Mathematics
1 answer:
Anika [276]2 years ago
6 0

Answer:

-4

Step-by-step explanation:

8-5= 3

x/3= 4

12/3=4

-16+12=-4

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1 . fraction bar a fraction in which the numerator is smaller than the denominator 2 . numerator the number under the fraction l
11Alexandr11 [23.1K]

Answer:

The number under the fraction line tells how many equal parts the whole was broken into

8 0
2 years ago
(7×4)×What equals 280. I need help with this kind of math. Trying to help my 10 year old daughter.
Blizzard [7]
It's 10.

7*4=28.

280/28 = 10.

Hope this helps.
5 0
3 years ago
Read 2 more answers
What is the radius and center of the circle given by the equation (x-5)^{2}+(y+2)^{2} = 81/4
artcher [175]

Answer:

The center is (5, -2) and the radius is 9/2

Step-by-step explanation:

The equation of a circle can be written by

(x-h) ^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

(x-5)^{2}+(y+2)^{2} = 81/4

( (x-5)^{2}+(y- -2)^{2} = (9/2)^2

The center is (5, -2) and the radius is 9/2

6 0
3 years ago
If 28% of a sum is 100.80 what is the sum
Sveta_85 [38]
$360.00*.28= 100.80 

<span>Or do a portion  </span>

<span>28%/100%=100.8/x </span>

<span>Then cross multiply </span>

<span>10080=28x </span>

<span>x=360</span>
4 0
3 years ago
Help plz...................................
N76 [4]

Answer:

12

Step-by-step explanation:

These are similar triangles, so the ratio of their sides is the same for each side.

AB = 8  and  BD = 10

So, the ratio is 8:10   or   4:5

Because the triangles are similar....

The ratio of AC:CE  is also  4:5

12:15 = 4:5

So, 12 is the answer!

8 0
3 years ago
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