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irina [24]
4 years ago
14

I need help answering this question 5/13t=-9

Mathematics
1 answer:
Lera25 [3.4K]4 years ago
3 0
You divide by 5/13. Remember when dividing fractions you multiply by the reciprocal. 5/13 cancels on the left side, leaving t.

So here you have -9/(5/13), but we can put -9 as -9/1, then instead of dividing by 5/13, multiply by 13/5: 117/5. This evens out, when divided, to t=23.4
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Whats the order pair of x,y for x-2y=-12 x 6y=20?
mote1985 [20]
X-2y=-12
x+6y=20
we can cancel x's
multiply first equation by -1 and add to 2nd equation

-x+2y=12
<u>x+6y=20 +</u>
0x+8y=32

8y=32
divide both sides by 8
y=4

sub back

x-2y=-12
x-2(4)=-12
x-8=-12
add 12 both sides
x=-4


(x,y)
(-4,4)
4 0
3 years ago
Check ALL That Apply ..It’s More Than One Answer
siniylev [52]
C, as they are on the same plane, (it is uncommon to find non co-planar lines)
D, as that symbol means parallel

A is untrue as they are on the same plane
B is untrue as that symbol means perpendicular
E is untrue as perpendicular means the two lines intersect and form 90 degree angles
F is untrue as parallel lines never intersect
7 0
3 years ago
How would the graph of the function y=x^2-3 be affected if the function were changed to y=x^2+2?
Norma-Jean [14]

Answer: The graph of the function would move five units up on the vertical axis.

Step-by-step explanation:

3 0
4 years ago
A circular cloth with a diameter of 20 inches is placed on a circular tray with a diameter of 24 inches. What fraction of the tr
son4ous [18]

Answer:

the fraction of surface that is not covered is 11/36

Step-by-step explanation:

To do this we first have to calculate the two surfaces

s = π * r^2

π = 3.14

r = d/2

d1 = 20

d2 = 24

r1 = 20/2

r1 = 10

r2 = 24/2

r2 = 12

s1 = π * r1^2

s1 = 3.14 * 10^2

s1 = 3.14 * 100

s1 = 314

s2 = π * r2^2

s2 = 3.14 * 12^2

s2 = 3.14 * 144

s2 = 452.16

to know the part that is not covered we simply do the s1 over the s2 and we subtract that from 1

s1 / s2 =

314 / 452.16 =

25/36

1 we subtract this

1 - 25/36 = 11/36

the fraction of surface that is not covered is 11/36

3 0
3 years ago
What is 5/8 times 2,I haven't done timesing decimals in a long time and have forgot how to so help asap pleassseee ty :-)
LiRa [457]
5/8x2=5/4
That's your answer lovely~
4 0
4 years ago
Read 2 more answers
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