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stira [4]
3 years ago
11

Please someone help me i really really need help it will mean alot thank you so much

Mathematics
2 answers:
JulijaS [17]3 years ago
5 0
The answer would be 4
topjm [15]3 years ago
3 0

Answer:

4

Step-by-step explanation:

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What is the answer to 2+5(8-5)=?
VashaNatasha [74]

Answer:

17

Step-by-step explanation:

2+5(8-5)

2+(5×8)-(5×5)

2 +40-25

42-25

=17

4 0
3 years ago
Read 2 more answers
A box has a width of 10 cm and a length of 17 cm. The volume of the box is decreasing at a rate of 527 cubic cm per minute, with
Ber [7]

Answer:

-3.1 cm per minute.

Step-by-step explanation:

We have been given that a box has a width of 10 cm and a length of 17 cm. The volume of the box is decreasing at a rate of 527 cubic cm per minute, with the width and length being held constant.

We know that volume of a cuboid is length times width times height.

V=lwh

Upon substituting our given width and length, we will get:

V=17\cdot 10\cdot h

V=170\cdot h

Now, we will find derivative of volume with respect to time as:

\frac{dV}{dt}=170\cdot \frac{dh}{dt}

Since the volume of the box is decreasing at a rate of 527 cubic cm per minute, so we will substitute \frac{dV}{dt}=-527  as:

-527=170\cdot \frac{dh}{dt}

\frac{-527}{170}=\frac{170\cdot \frac{dh}{dt}}{170}

\frac{dh}{dt}=-3.1

Therefore, the rate of change in height is -3.1 cm per minute.

6 0
4 years ago
a plane can fly 7 miles per minute. the plane will fly 8 trips, and each trip is 810 miles. how many hours will the plane fly? s
Gnesinka [82]

Answer: 12 hours and 24 Minutes

Step-by-step explanation:

7*60 = 420

810/420 = 1.9285

93- 100 = 53-60

subtract 40 from 93.

1.53*8 = 12.24

Answer: 12 hours and 24 Minutes

3 0
4 years ago
A sweatshirt originally priced at 28.00 is on sale for 22.00 what is the percent of decrease rounded to the nearest whole number
levacccp [35]

% of decrease would be 100 - (22*100)/28

=100-78.57 = 21.43%

3 0
3 years ago
Find the slope of the line that passes through (-46, -41) and (-11, -8).<br>​
andre [41]
-8-(-41)/-11-(-46) = 33/35
6 0
3 years ago
Read 2 more answers
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