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pentagon [3]
3 years ago
15

Twice a number is equal to 15 more than 5 times the number. Find the number.

Mathematics
1 answer:
sergeinik [125]3 years ago
4 0

Answer:

answer35

Step-by-step explanation:

<h2><em>I hope it help</em></h2>
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An angle is supplementary and one measures 70° what is the measurement of the other angle?
alexandr1967 [171]

Answer:

x= 110

Step-by-step explanation:

Supplementary angles add to 180

Let x be the other angle

x +70 =180

Subtract 70 from each side

x+70-70=180-70

x = 110

5 0
3 years ago
Read 2 more answers
Monique has 2 hours to complete 3 homework assignments.She wants to spend the same amount of time on each assignment.How meany m
Xelga [282]
3÷2= 1.5

To make sure if it's correct,
1.5
x2
__
3.0
4 0
3 years ago
At 2:00 PM a car's speedometer reads 30 mi/h. At 2:10 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:10 the acce
Daniel [21]

Answer: If we define 2:00pm as our 0 in time; then:

at t= 0. the velocity is 30 mi/h.

then at t = 10m (or 1/6 hours) the velocity is 50mi/h

Then, if we think in the "mean acceleration" as the slope between the two velocities, we can find the slope as:

a= (y2 - y1)/(x2 - x1) = (50 mi/h - 30 mi/h)/(1/6h - 0h) = 20*6mi/(h*h) = 120mi/h^{2}

Now, this is the slope of the mean acceleration between t= 0h and t = 1/6h, then we can use the mean value theorem; who says that if F is a differentiable function on the interval (a,b), then exist at least one point c between a and b where F'(c) = (F(b) - F(a))/(b - a)

So if v is differentiable, then there is a time T between 0h and 1/6h where v(T) = 120mi/h^{2}

5 0
3 years ago
ANSWER QUICKLY PLZ :)​
AfilCa [17]
The answer is (-1,1)
The solution is the point where the two lines cross each other
Hope this helps
5 0
3 years ago
Can someone figure out the problem in this image?
erma4kov [3.2K]
Right side:
(1/27)^(2x+10)
=(3^-3)^(2x+10)
= 3^(-6x - 30)

Re-write both sides:
3^(4x-5) = 3^(-6x - 30)

from here, you can solve x 

4x - 5 = -6x - 30
4x + 6x = -30 + 5
10x = -25
    x = -2.5
7 0
3 years ago
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