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2 years ago

40 points!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

ANTONII [103]2 years ago

8 0

Answer:

23 decries up wards then move it down twice

Step-by-step explanation:

Give the person before me brainliest they got it first :)

saveliy_v [14]2 years ago

4 0

Answer:

23 decries up wards then move it down twice :)

Step-by-step explanation:

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A person drove 30 miles per hour on a trip. If he had driven 45 miles per hour, he would have arrived 4 hours earlier. What was

Step2247 [10]

Answer:D= 60miles

Step-by-step explanation:

Speed=distance/time

Distance = speed× time

D=(45-30)× 4

D= 15×4

D= 60miles

6 0

2 years ago

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Thomas needed a load. he borrowed 24,000$ from the bank at a rate of 8.25% of simple interest for 36 months. what was the total

spayn [35]

Step-by-step explanation:

principal= 24000$

rate=8.25%

time=36months=3years

now,

simple interest =PTR/100

=24000×8.25×3/100

=594000/100

=5940

so,

amount=simple interest +principal

=5940+24000

=29940$

he had to pay back 29940$

hope it could help

5 0

2 years ago

The volume of a cone of radius r and height h is given by V=πr²h³. If the radius and the height both increase at a constant rate

Aloiza [94]

Answer:

The volume of cone is increasing at a rate 1808.64 cubic cm per second.

Step-by-step explanation:

We are given the following in the question:

$\dfrac{dr}{dt} = 12\text{ cm per sec}\\\\\dfrac{dh}{dt} = 12\text{ cm per sec}$

Volume of cone =

$V = \dfrac{1}{3}\pi r^2 h$

where r is the radius and h is the height of the cone.

Instant height = 9 cm

Instant radius = 6 cm

Rate of change of volume =

$\dfrac{dV}{dt} = \dfrac{d}{dt}(\dfrac{1}{3}\pi r^2 h)\\\\\dfrac{dV}{dt} = \dfrac{\pi}{3}(2r\dfrac{dr}{dt}h + r^2\dfrac{dh}{dt})$

Putting values, we get,

$\dfrac{dV}{dt} = \dfrac{\pi}{3}(2(6)(12)(9) + (6)^2(12))\\\\\dfrac{dV}{dt} =1808.64\text{ cubic cm per second}$

Thus, the volume of cone is increasing at a rate 1808.64 cubic cm per second.

5 0

3 years ago

Based on the measures shown, could the figure be a parallelogram

nadya68 [22]

Answer:

What are the measures and is there a link that could be shown?

Step-by-step explanation:

8 0

3 years ago

Gamal spent $12.50 at the book store. The difference between the amount he spent at the video game store and the amount he spent

Andrej [43]

The equivalent equation is d=17+12.5
it simplifies to d=29.5

4 0

3 years ago

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￼40 points!!!!!!!!!!!!!!!!!!!!

40 points!!!!!!!!!!!!!!!!!!!!