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ss7ja [257]
3 years ago
15

Solve for x.5(x – 10) = 30 – 15x

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
5(x-10)=30-15x

5x-50=30-15x

20x=30+50
x=4.
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Read 2 more answers
Line z has a slope of 2.5 and goes through point (4, 13). Which equation best represents line z?​
Rus_ich [418]

Answer:

y - 13 = (5/2)(x - 4)

Step-by-step explanation:

Here we know the slope and one point on the line.  Use the point-slope formula:

y - k = m(x - h).

Substituting 13 for k, 4 for x and 2.5 for m, we get:

y - 13 = (5/2)(x - 4)\

7 0
3 years ago
Help wanted!! 10 points up (-:
Lena [83]
HEY THERE!!

AS we know COSINE =PERPENDICULAR /BASE

SO ACCORDING TO ABOVE IMAGE
PERPENDICULAR is 5 ft
AND BASE
is 8 ft

so now cosine A = 5/ 8

MEAN THE CIRRECT ANSWER IS (D)

HOPE IT HELPED YOU
3 0
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