p is inversely proportional to v when v=8 p=5 given that p=40/v calculate the value of p when v is 2

Answers

Answer 1

Answer:

p = 20

Step-by-step explanation:

Given that the equation of variation is

p = [tex]\frac{40}{v}[/tex]

When v = 2 , then

p = [tex]\frac{40}{2}[/tex] = 20


Related Questions

A book costs $ 67. How much will be paid for 102 such books?​

Answers

The cost of one book = $ 6 7

Number of books = 1 0 2

The cost of 102 books = $ 67 × 102

= $ 6834

Therefore, cost of 102 books = $ 6834

Answer:

$6,834

Step-by-step explanation:

Given:

cost of one book = $67

Total cost = number of books × cost of one book

                 = 102 × $67

                 = $6,834

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Answers

Answer:

x = 2°

steps:

7x + 3° = 8x + 1°7x - 8x = 1° - 3°-x = -2°x = 2°

reason:

corresponding angles have same angle measure.

Answer:

x = 2

Step-by-step explanation:

Corresponding angles are equal

Therefore, 7x + 3 = 8x + 1

Subtract 7x from both sides:

⇒ 3 = x + 1

Subtract 1 from both sides:

⇒ 2 = x

two sides of rectangle are (2x + 5xy) and (-7x - 10xy ). Find its perimeter

Answers

Answer:

-10x (1 - y)

Step-by-step explanation:

Given :-

Side 1 = (2x + 5xy)

Side 2 = (-7x - 10xy)

To Find :-

Perimeter

Formula :-

Perimeter (rectangle) = 2 (Side 1 + Side 2)

Solving :-

Perimeter = 2 (2x + 5xy - 7x - 10xy)

= 2 (-5x - 5xy)

= -10x (1 - y) => [Solution]

Step-by-step explanation:

perimeter: 2 (2x+ 5xy+(-7x-10xy)

= 2(2x+5xy-7x-10xy)

= 4x+10xy-14x-20xy

= -10x-10xy

= -10x(1+y).

Answer: -10x(1+y)

Simplify by combining like terms:
5a + 2b - 3b + 4

Answers

Answer: 5a-b+4

Steps:

Reorder and gather like terms

5a+(2b-3b)+4

Collect coefficients of liked terms

5a+(2-3)*b+4

Calculate the sum or difference

5a-b+4

FINAL Answer: 5a-b+4
5a-1b+4 2-3
=-1 so that is why they combine

HELP!!! WILL MARK BRAINLIST!!!! AND A 5 STAR REVIEW!!! AND A THANKS

Answers

Rewrite 32 as 32/1

1/4 x 32/1

To multiply 2 fractions, we multiply the nominators together, and the denominator together

1/4 x 32 = 1/4 x 32/1 = 1x32/4x1 = 32/4

Simplify as 8.

So, 1/4 x 32 = 8

helppppp
can someone answer this?

Answers

Answer:

y=(x-3)^2-2

Step-by-step explanation:

We can see in the graph that the value of y for 1 its 2, so we have to test each equations to see which one is going to give us a 2 whit 1 as the x

-(1-3)^2-2=6 -(1=2)^2-3=-12(1-3)^2-2=2(1+2)^2-3

Find the volume of the cylinder.
either enter an exact answer in terms of t or
use 3.14 for t.

Answers

There is no image, but the formula you would use is h[(3.14r)^2] where h is the height, r is the radius, and 3.14 stands for pi.

Help!! Thank you so much beforehand!

Answers

First, let's take a look at the larger polygon. The topmost side is 7 units long. Now, let's look at the small polygon. The topmost side is 1 unit long.

These polygons differ by a scale factor of 1/7.

7 * (1/7) = 1

49 * (1/7) = 7

Now, we know that x = 7.

The larger polygon has side lengths of 7, 49, 7, 49

The smaller polygon has side lengths of 1, 7, 1, 7

Michaela spent $234 preparing for a party with 18 guests. Each guest costs the same amount of money. How many guests could attend a party that cost $104 to prepare?

Answers

Answer:

8 people

Step-by-step explanation:

234 divided by 18 is 13.

104 divided by 13 is 8.

Hi!!! This is a sheet of angles of triangles, I currently don’t understand this very well and need help thank you:)

Answers

Step-by-step explanation:

sum of angles in a triangle

What is 2.803 to the nearest half

Answers

Answer:

2.8

Step-by-step explanation:

Answer:

Step-by-step explanation:

1.401.2 simplify that and there you go

using substitution, how do you solve the simulateous equations y=3x+2 and y=x+6 ?

Answers

Answer:

X = 2

Step-by-step explanation:

y = 3x +2

y = x + 6

x + 6 = 3x + 2

6 = 2x + 2

4 = 2x

x = 2

Substitute y=x+6 to y=3x+2
So…
3x+2=x+6
2x=4
x=2


Can anyone help me please

Answers

Answer:

5) 65 + 35x

6) 13 weeks

hope this helps!

tracie speaks 30 words in 45 seconds, at that rate approximately how many words will tracie speak in 120 seconds?

Answers

30 divided by 45 =.66666667 X 120= 80
80 words in 120 seconds

Tracie would speak approximately 80 words in 120 seconds.

What is a unit rate?

It is the quantity of an amount of something at a rate of one of another quantity.

In 2 hours, a man can walk for 6 miles

In 1 hour, a man will walk for 3 miles.

We have,

We can use proportions to solve this problem.

If Tracie speaks 30 words in 45 seconds, then we can set up a proportion to find out how many words she would speak in 120 seconds:

30 words / 45 seconds

= x words / 120 seconds

Now,

45 seconds x (x words) = 30 words x 120 seconds

45x = 3600

x = 80

Therefore,
Tracie would speak approximately 80 words in 120 seconds.

Learn more about unit rates here:

https://brainly.com/question/11258929

#SPJ3

Which equation is a step in solving the equation 5 - 3x + 2 = 19?

A.
15 - 3x1 = -17
B.
15 + 3x1 = 17
c.
5 + 3x = -17
D.
5 - 3x = -17

Answers

Answer:

D. 5-3x = 17

Step-by-step explanation:

The step carried out was subtracting 2 from both sides.

[tex]5 - 3x + 2 = 19 \\ 5 - 3x + 2 - 2 = 19 - 2 \\ 5 - 3x = 17[/tex]

The measure of the angles are shown in the figure below solve for x

Answers

Answer:

x = 67°

Step-by-step explanation:

The little square in the corner represents 90° because it is a right-angle.

All angles in a triangle add up to 180°.

90° + 23° = 113°

180° (total) - 113° (whats already there) = 67° (x)

I hope this helps. If you need further explanation, let me know.

- profparis

Solve the following:
a
4x - 3 = 2x + 7
what does x equal​

Answers

Answer:

x=5

Step-by-step explanation:

4x-3=2x+7

4x-2x-3=7

4x-2x=7+3

2x=10

2x/2 10/2

x=5

Answer:

x=5

Step-by-step explanation:

So we have to combine like terms

4x-3=2x+7

-2x  -2x

2x-3=7

   +3 +3

And now simplify

2x=10

/2   /2

x=5

The entire rectangle below has an area of 68ft squared.
Find the area of the shaded triangle. Be sure to include the correct unit in your answer.

Answers

Answer:

34ft squared

Step-by-step explanation:

Since the shaded area is half of the whole rectangle, it would be half of 68. 68/2 = 34, therefore the shaded area is 34ft squared.

What is the verbal expression for 8+n

Answers

Answer:

eight plus n

Step-by-step explanation:

8 = said as "eight"

+ = said as "plus"

n = said as "n"

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

Answer:

The verbal expression would be 8 plus a number

Step-by-step explanation:

Hope this helps~

Tanisha weighed a wooden block that was labeled 253.8 grams, and found that it actually weighed 235 grams. What was the percent error in the labeling of the block? ( Round to the nearest 10th of a percent. )

Answers

Answer:

8%

Step-by-step explanation:

If the block weighs 235 grams, we can do (253.8-235)/235=18.8/235=0.08. Because it's percent, we need to multiply by 100, so the answer is 8%.

What is the proportional relationship represented by this table?

Answers

Answer:

the constant of proportionality is 0.2 and it is a proportional relationship

Step-by-step explanation:

2 divided by 10 is 0.2

1 divided by 5 is 0.2

they have the same answer so they are proportional

since they have the answer 0.2 it

is there constant of proportionality

6x2y – 2x2y – 10x2y + 8x2y =

Answers

Answer:

4y is your answer........

What is the graph of each function rule? 4. Y=|x|-1

Answers

Answer:

Step-by-step explanation:

__________________

X |_-2_|_-1_|__0_|_1_|_2_|

Y |_1_|__0_|__-1_|_0_|_1_|

X=-2 => y=2-1=1

X=-1=> y=1-1=0

X=0=> y=0-1=-1

X=1=> y=1-1=0

X=2 => y=2-1=1

..........

X=10=> y=10-1=9

X=-10=> y=10-1=9

=> (0,+∞]

Here are the measurements for a triangle. What kind of triangle will this be?
SIDES
3 inches
5 inches
3 inches
ANGLES
34 degrees
112 degrees
34 degrees

O Acute Isosceles
O Acute Scalene
O Obtuse Scalene
O Obtuse Isosceles

Answers

Answer:

Obtuse scalene triangle

In ΔFGH, GH = 14, HF = 13, and FG = 15. Which list has the angles of ΔFGH in order from largest to smallest?

Answers

Answer:

HF, GH, FG largest to smallest

Step-by-step explanation:

HFGHFG

Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree has a circumference of 0.509 yards, the elm tree is 6281.70 millimeters around, and the poplar has a circumference of 0.000385 miles. There are 30.48 centimeters in a foot. Which tree has the greatest circumference?
a.
oak
b.
ash
c.
elm
d.
poplar

Answers

Answer:

Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree has a circumference of 0.509 yards, the elm tree is 6281.70 millimeters around, and the poplar has a circumference of 0.000385 miles. There are 30.48 centimeters in a foot. Which tree has the greatest circumference?

a.

oak

b.

ash

c.

elm

d.

poplar

Answer:

 

Step-by-step explanation:

 

a.

oak

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

hope it helps rex

There were 235 more red balloons than green balloons at a party. After 4/5 of the red balloons and 3/4 of the green balloons burst, there were 92 balloons left. How many balloons were there altogether?

Answers

So we know that the difference is 235.

And a red and green put together is 92 balloons * 5.
So 5 red and green balloons put together is 460, or 92*5.

460-235=225

225/9=25

92-25=67

So 5*67 and 4*25 is 435.


Your final answer should be 435 balloons in total.

I need help ASAP, square root of 11

Answers

Answer:

The square root of 11 is 3.31662479

Answer

3.317

hope this helped

You are holding a kite string in your hand. The angle of elevation from your hand to the kite is 57⁰ and the distance to the kite is 300 feet. Your hand is 5 feet above the ground. How high is the kite? Round your answer to the nearest tenth of a foot. ​

Answers

Answer:

256.6 feet

Step-by-step explanation:

     First, I recommend drawing a picture for problems like this. See attached for my example!

-> What does the "angle of elevation" mean? In summary, if your hand has a line going out in both directions horizontally from it, it is the angle "up" to the kite.

     Now, let us find out what formula(s) we will use to solve this problem.

-> We have two of the angles (so we can easily find the third) as well as the hypotenuse

-> We are solving for one of the legs, then adding five feet to it

-> I think I will use the 57° angle and the sine function since we have the hypotenuse and are solving for the opposite side (to the angle 57°)

     Lastly, we will solve! First, I will find the length of the opposite side to the 57° angle.

sin(θ) = [tex]\frac{opposite}{hypotenuse}[/tex]

sin(57°) = [tex]\frac{x}{300}[/tex]

300sin(57°) = x

251.6 ≈ x

x ≈ 251.6 feet

     Now we will add 5 feet to 251.6 since your hand is 5 feet above the ground.

251.6 + 5 = 256.6

7k-35=5(1+2k)+2k
Can you solve the question

Answers

Answer:

7k-35=5+10k+2k

or, 7k-35=5+12k

or, -35-5=12k-7k

or, -40=5k

or, k=-40/5

Therefore, k=-1/8

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