3 years ago

45 is what percent of 60?

Mathematics

1 answer:

Ivanshal [37]3 years ago

5 0

Answer: 45 is 75 percent of 60

Step-by-step explanation:

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Solve the equation 23(9+x)=−5(4−x).

NemiM [27]

Answer:

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Step-by-step explanation:

7 0

3 years ago

Points (1,3), (-4,7), and (-29,K) are collinear. Find K.<br><br> How do i solve this?

oee [108]

Co linear points have same slope
<span>Points (1,3), (-4,7), and (-29,K)
m1,2=7-3/-4-1=-4/5

m2,3=K-7/-29+4
m2,3=K-7/-25

-4/5=K-7/-25
4/5=K-7/25
4=K-7/5
20=K-7
K=27
</span>

3 0

3 years ago

find an equation for the nth term of the sequence. -3, -12, -48, -192, ... select one: a. an = 4 • -3n 1 b. an = -3 • 4n - 1 c.

Andrews [41]

$-3;-12;-48;-192;...\\\\It's\ the\ geometric\ sequence:a_n=a_1r^{n-1}\\\\a_1=-3;\ a_2=-12\\\\r=a_2:a_1\to r=-12:(-3)=4\\\\\boxed{a_n=-3\cdot4^{n-1}}\to\fbox{b.}$