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Effectus [21]
3 years ago
12

I need help with this question please

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0

Answer: it C

Step-by-step explanation: if it not incorrect sorry for the wrong answer

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2. Fred has twice as much money
lys-0071 [83]

J=amount Jake has; F=amount Fred has=2J

J+F=$54

J+2J=$54

3J=$54

J=$18

ANSWER 1: Jake has $18.

F=2J=2($18)=$36 ANSWER 2: Fred has $36.

4 0
3 years ago
What is the least common denominator of 4 and 10
telo118 [61]

Answer:

20

Step-by-step explanation:

8 0
3 years ago
(10 + 2)² + (6 -14÷7) =​
BartSMP [9]

Answer:

148

Step-by-step explanation:

12 x 12 + (6-2)

144 + 4 = 148

Hope that helps!

8 0
3 years ago
Read 2 more answers
Write the equation of the circle centered at (4, - 9) with diameter 16.<br> HELP A GIRL OUT
iragen [17]

Answer:

16= (x-4)^2 +(y+9)^2

Step-by-step explanation:

hey! The formula for the equation of a circle is r^2= (x-h)^2 + (y-k)^2

r= the radius (in your case you have the diameter so you do not need to square it)

(h,k)= is the center coordinates, so your center coordinate would be (4, -9). You now have your h (h=4) and your k (k=-9) so you can plug it in the formula! :)

a nice rating would help out

4 0
3 years ago
The height of a ball kicked in the air is modeled by the equation h(t) = -2t^2 +8t +24, where h is the height of the ball in fee
Setler79 [48]

Answer:

Step-by-step explanation:

The rate of change in any function is the slope of the line between 2 points. Our points are t = 2 and t = 5. But we know that the slope formula also involves the h's for each of those t's. We need to find them first. The slope formula is

m=\frac{y_2-y_1}{x_2-x_1}, but for us it will look like this (fittted to our needs):

m=\frac{h_2-h_1}{t_2-t_1}. So we need to find those h's.

when t = 2, plug in a 2 for t and solve for h.

Therefore, h(2)=-2(2)^2+8(2)+24 and

h(2) = 32 and in coordinate form, (2, 32).

When t = 5, plug in a 5 for t and solve for h.

Therefore, h(5) =-2(5)^2+8(5)+24 and

h(5) = 14 and in coordinate form, (5, 14). Now we can plug into our slope formula:

m=\frac{14-32}{5-2}=\frac{-18}{3}=-6 , choice B.

The rate of change is -6 which, in words, means that the ball fell 6 feet every 1 second it fell.

5 0
3 years ago
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