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Alborosie
2 years ago
6

Pls help this is not graded ​

Mathematics
1 answer:
vitfil [10]2 years ago
5 0
D , none of the above!!!!
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PLEASE HELP!!!!!! I need help on this problem
Thepotemich [5.8K]

Answer:

185 minutes.

Step-by-step explanation:

It is possible to model an equation for this, such that

0.10x + 14.80 = 0.08x + 18.50

where x represents the number of minutes.

Then, you solve for x:

0.10x + 14.80 = 0.08x + 18.50 \\ 0.02x = 3.70 \\ x =  \frac{3.70}{ 0.02}  \\ x = 185

5 0
3 years ago
Question below :)))))))))))))))))
nalin [4]
25 candy in a bag, if 2/5 or 40% of candy is caramels. Then 10 in each bag is caramels.

Your answer would be C.
3 0
2 years ago
Read 2 more answers
4. If b books cost $9.25 and p pens cost $1.30
Brilliant_brown [7]

Step-by-step explanation:

A. One book =$9.25÷b

=$9.25/b

B.One pen=$1.30÷p

=$1.30/p

C. One book+One book

=[($9.25÷b)+($1.30÷p)]÷($9.25+$1.30)

=[(&9.25/b)+($1.30/p)]/($10.55)

5 0
2 years ago
How do you do this question?
alina1380 [7]

Answer:

(8√2) / 15

Step-by-step explanation:

A curve bounded by the y-axis is represented by in terms of dy;

\int \:x\:dt

When the curve crosses the y-axis, x will be 0. In this case x is the function of t, so we have to solve for x(t) = 0;

0 = t^2 + 2t --- (1)

Solution(s) => t = 0, t = 2

dy = (1/2 * 1/√t)dt --- (2)

Our solutions (0, 2) are our limits. The area of the curve is in the form A\:=\:\int _b^a\:f\left(t\right)g'\left(t\right)dt , so now let's introduce the limits of integration, x(t) and dy/dt. Remember, dy/dt = (1/2 * 1/√t) (second equation). 1/2 * 1/√t can be rewritten as 1/2 * t^(-1/2)....

A\:=\:\int _2^0\:\left(t^2-2t\right)\left(\frac{1}{2}t^{-\frac{1}{2}}\right)dt\\\\= \int _2^0\:\left(\frac{1}{2}t^{\frac{3}{2}}-t^{\frac{1}{2}}\right)dt\\\\= \left[\frac{t^{\frac{5}{2}}}{5}-\frac{2t^{\frac{3}{2}}}{3}\right]_2^0\\\\= 0\:-\:\left(\frac{4\sqrt{2}}{5}-\frac{4\sqrt{2}}{3}\right)\\\\= \frac{8\sqrt{2}}{15}

Your solution is 8√2 / 15

7 0
2 years ago
"A candy store sells different types of candy in paper pyramids. The medium-sized pyramid has a base length of 5 inches and a ba
g100num [7]

Answer:

088y765

Step-by-step explanation:

3 0
2 years ago
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