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2 years ago

15

This is the graph of Bob's riding his bicycle on Sunday. He started in the morning and after biking for sometime he stopped at M

cDonald to eat breakfast. How long he stayed at McDonald?

1 answer:

Lubov Fominskaja [6]2 years ago

7 0

Answer:

you dont have an image?

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Write an equation that could be used to solve the given problem: if twice a number is increased by 15 , the result is the same a

Semmy [17]

Equation 2X+15= X-10

X=-25

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2 years ago

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What is the value of p?<br><br> A. 125°<br> B. 45°<br> C. 35°<br> D. 550

Vikki [24]

Answer:

C- 35 °

Step-by-step explanation:

Interior angle adjacent to 90° angle = 90° (supplementary angles of a line segment).

Interior angle adjacent to 125° angle = 55° (supplementary angles of a line segment).

Sum of two interior angles of the triangle = 55+90 = 145°

∠p = 180° - 145° = 35°

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2 years ago

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Simplify.<br><br> 15 20 24+20

WINSTONCH [101]

Answer:

-5 divide by 28

Step-by-step explanation:

so the question supposed be " 15-20 divided by 2(4) + 20

15-20 which is also 15 + (-20)= -5

2(4)=8, 8+20=28

so it can simplify into -5 / 28

(hope it helps :)

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1 year ago

The radius of the base of a cylinder is decreasing at a rate of 121212 kilometers per second. The height of the cylinder is fixe

WARRIOR [948]

Answer:

7536 $km^3/sec$

Step-by-step explanation:

Given that:

Rate of decreasing of radius = 12 km/sec

Height of cylinder is fixed at = 2.5 km

Radius of cylinder = 40 km

To find:

The rate of change of Volume of the cylinder?

Solution:

First of all, let us have a look at the formula for volume of a cylinder.

$Volume = \pi r^2h$

Where $r$ is the radius and

$h$ is the height of cylinder.

As per question statement:

$r$ = 40 km (variable)

$h$ = 2.5 (constant)

$\dfrac{dV}{dt} = \dfrac{d}{dt}\pi r^2h$

As $\pi, h$ are constant:

$\dfrac{dV}{dt} = \pi h\dfrac{d}{dt} r^2\\\Rightarrow \dfrac{dV}{dt} = \pi h\times 2 r\dfrac{dr}{dt} \\$Putting the values:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec$

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2 years ago

PLZ CHECK MY ANSWERS AND TELL ME THE RIGHT ANSWERS IF I GET THEM WORNG

Natalija [7]

Answer:

Step-by-step explanation: I Can Tell You The First One Is Correct And I Believe The Second Was Is Too.

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2 years ago