Please help me, I do not understand.

Answers

Answer 1

9514 1404 393

Answer:

p : q = 3 : 2

Step-by-step explanation:

You are given sufficient information to write two relations involving p and q. We presume these will be sufficient to find an answer to the question. We will be able to find p and q. Then we can find their ratio, as the problem asks.

(p-15)/(q-15) = 2/1

(p+30)/(q+30) = 5/4

From the first equation, we get ...

p -15 = 2(q -15)

p = 2q -15 . . . . . . . add 15, simplify

From the second equation, we get ...

4(p +30) = 5(q +30)

4p + 120 = 5q + 150

4p = 5q + 30

Using the first equation to substitute for p, we have ...

4(2q -15) = 5q +30

8q -60 = 5q +30 . . . eliminate parentheses

3q = 90 . . . . . . . . . . . add 60-5q to both sides

q = 30 . . . . . . . . . . . . divide by 3

p = 2q -15 = 2(30) -15 = 45

Then the desired ratio is ...

p : q = 45 : 30

p : q = 3 : 2

Related Questions

What is the value of x

78
53
42
72

Answers

Answer:

127+x=180

180-127

x=53

Please help!!! I don’t really understand this at all

Answers

- line CD is perpendicular to segment AB
- point M is the midpoint of segment AB

9514 1404 393

Answer:

a, b, e (only)

Step-by-step explanation:

The circle centered at A is all of the points that are distance AB from A.

The circle centered at B is all of the points that are distance AB from B.

The points C and D are points that are distance AB from both A and B.

The line joining those points (C and D) consists entirely of points that are equal distances from A and from B. CD is the perpendicular bisector of AB.

Point M is one of the points on line CD, and is also on segment AB. Because it is on CD, we know it is the same distance from A as from B. That means AM = BM, and M is the midpoint of AB.

Points B, C, D are not on the same line, so can form a triangle. As with any triangle, the sum of any two segments is greater than the length of the third. Here, this is expressed as CB + BD > CD.

With some work using the Pythagorean theorem, you can show that ...

CM = AM×√3

Similarly, MD = BM×√3.

Adding these two relations tells us ...

CM +MD = √3(AM +BM)

CD = AB×√3 . . . . . AB and CD are not the same length

AM and BM are on the same line, so cannot be perpendicular to each other.

_____

Additional comment

When you are studying compass and straightedge constructions, you would do well to actually perform these constructions using those tools on paper. This gives you a feel for what is going on and helps you remember the steps. A computer screen is no substitute for hands-on.

somebody please help i don't understand this. I'd really appreciate it. and please don't steal points :) . i will mark you brainliest.

Answers

Answer:

1) You think of G(x) as x, so you plug it in. So, f(x) = [tex]-2^{2}[/tex] - 2, which is 4 - 2, which is 2.

3) Y = 1

I think, I'm not 100% sure--

What equation is being graphed here?

A. y-3= -2/3(x+1)
B. y-4= -3/2(x+2)
C. y-1= -3/2(x+3)
D. y+1= -2/3(x+1)

Answers

Pretty sure it’s D.

Give the least common denominator: 1/(5n), 1/3 _____

Answers

Step-by-step explanation:

step 1. LCD of 1/(5n) and 1/3 is 15n.

A person invests 5000 dollars in a bank. The bank pays 4.25% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 10200 dollars?

Answers

Answer:

Step-by-step explanation:

Answer:16.9

Step-by-step explanation:

00:00
Select all the fractions that are equivalent to 2 /
5
Use the area models to help.

Answers

Answer:

this doesnt make sense but the answer is

rcpl 2/5 = 5/2 = 2 1/2

Step-by-step explanation:

2 1/2

Answer:

hfrrgiooy3decctvr cb muh yt? hmm

A student measures the mass of a lab sample as 2.7 grams. What is the percent error, given that the correct mass is 2.58 grams? Round to the nearest hundredth of a percent. I need it asap

Answers

Answer: 4.65%

Step-by-step explanation:

Answer:

4.65

Step-by-step explanation:

Its Kinda Hard tbh

1 16
Solve the inequality
5+ - > -
x
a. x<0 or x > 2
b. x<1 or x>5
c. x<0 or x > 3
d. x <1 or x>3

Answers

Answer:

Step-by-step explanation:

CAN SOMEONE PLEASE HELP MEEEE? PLEASSEEE. EMERGENCY!! 30 POINTS!! PLEASE AND THANK YOU.

Answers

Answer:

[tex]\sqrt{2n^{2}}[/tex]

You have the side lengths of the two legs, n and n.

Then, using the pythagorean theorem you have to find the length of the third side:

[tex]a^2 + b^2 = c^2\\n^2 + n^2 = c^2\\2n^2 = c ^ 2\\\sqrt{2n^2} = c[/tex]

where c is the third side

i can confirm that the person above is correct

Cody earned $8 for each dog he walks. He also earns $10 for doing chores at home. What will Cody earn if he walks 1, 2, or 3.

Answers

Answer:

If he walks 1 dog he will make 8$ if he walks two dogs he will earn 16$ if he walks 3 dogs he will make 24$

Which expression is equivalent to -15x + 39?

Answers

Answer:

56x

Step-by-step explanation:

i think

56x I hope this helps you

A cell phone company charges $50 for the phone plus a monthly service charge of $30. An equation gives the cost y after x months. Which is the true of the relationship between x and y?

Answers

Answer:

i don't know i ain't a calculator

Please help I uploaded a picture

Answers

Answer:

the second one

Step-by-step explanation:

first one is divide

third one is well add

last is add aswell

it would be B. whenever there is an exponent inside the parentheses and on the outside, you will always multiply

PLEASE HELP ME ASAP?!?
Find the length of the missing side. Simplify all radicals.

Answers

Answer:

22.47

22.5 (simplified)

Step-by-step explanation:

22.47 = √(8^2 + 21^2)

Someone please help me quick I’m timed

Answers

It’s c because the x is exterior angles

PLS HELP WITH MY TESTTTT.... ITS INEQUALITIESSSSSSSSSSS

Answers

Answer:

Step-by-step explanation:

34.7+6.3 would =41

40.9 cannot be more than 41, so it is not a possible solution

Gina made a scale drawing of a house and its lot. She used the scale 1 inch: 4 feet. If the house's
driveway is 9 inches in the drawing, how long is the actual driveway?
feet

Answers

Answer:

The driveway is 36 feet

Step-by-step explanation:

1 in = 4 feet

2 in = 8 feet

This shows us that you have to multiply 4 by how many inches there is.

Given the polynomial function below, find F(3).
F(x) = 2x^3 - 7x+1
A. -8
B. -2
C. 26
D. 34

Answers

Answer:

bro its

Step-by-step explanation:

32 bro not 34

f(3)=2(3)*3-21+1

2(27)-21+1

help me this was due a long time ago pls! ❤️

Answers

Answer:

between Monday and Wednesday

Step-by-step explanation:

WILL MARK BRAINIEST!Apply the dilation D to the polygon with the given vertices. Name the coordinates of the image points.
D:(X,Y) —> (3x,3y)
J(1,4), K(6,4), L(6,1), M(1,1)

Answers

Option 2 (multiply everything by 3)

Student Council held a bake sale to raise money for the local food pantry. They sold a total of 40 items which included pies and cakes. Pies were $10 each and cakes were $8 each. They raised $356. How many pies and how many cakes did they sell?

Answers

Answer: 18 pies, 22 cakes

Step-by-step explanation:

Let the number of pies sold be represented by p.

Let the number of cakes be represented by c.

The information in the question can then be represented in an equation as:

p + c = 40 ........ i

10p + 8c = 356 ....... ii

Multiply equation i by 10

Multiply equation ii by 1

10p + 10c = 400 ....... iii

10p + 8c = 356 ....... iv

Subtract iv from iii

2c = 44

c = 44/2

c = 22

22 cakes were sold

Since 40 items were sold, the number of pies sold will be:

= 40 - 22

= 18 pies

A rotating lawn sprinkler sprays water in a circular area of grass, as shown in the picture. The diameter of the circular area of grass is 16 ft.

Answers

Answer: G) 50.24

Step-by-step explanation: you have to find the circumference of the circle. Since you already have the diameter which is 16 all you have to do is multiply that by 3.14. If you only had the radius then you will have to multiple the radius times 2 times 3.14. The formulas for circumference are: pi(3.14) x diameter or pi(3.14) x radius x 2

Solve and check -2x + 3 = -11

Answers

Answer:

x=7

Step-by-step explanation:

1. -2x+3=-11 << first make sure the x is one one side of the equal sign. so remove the 3, by subtracting if from 11

2. -2x+3=-11

-3 -3

3. -2x= -14 << then so isolate the x= divide -2 from -14 (two negatives divided equals a positive)

4. x=7

Jenny bought scrapbooking supplies for $145.00. She paid $11.60 in sales tax. What was the sales tax rate on the supplies? If necessary, round your answer to the nearest tenth.
a) 7%
b) 8%
c) 9%
d) 7.5%

Answers

The answer to this is B (8%) I found that by working through all the answer options. Hope this helps

The sales tax rate is 8%.

The correct option is (b).

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Jenny bought scrapbooking supplies for $145.00.

She paid $11.60 in sales tax.

let the tax rate be x%.

So, the price without sales tax = 145 - 11.6 = $133.4

Thus, x% of 133.4 = 11.6

133.4 x = 1160

x = 8.65%

x= 8%

Hence, the tax rate is 8%.

Learn more about Unitary Method here:

https://brainly.com/question/22056199

#SPJ2

Classify the quadrilateral using the name that best describes it.
Othombus
O trapezoid
O rectangle
O square

Answers

the answer to your question is a), rhombus

Solve for x.
21 °
х
22

Answers

Answer:

462

Step-by-step explanation:

The perimeter of a rectangular pool is 72 meters. If the length of the pool is twice its breadth. Its length is_________.

Answers

Answer:

Length = 18 meters

Step-by-step explanation:

Let the length of the rectangular pool = l meters

And breadth of the pool = w meters

Perimeter of the rectangular pool = 2(l + 2w)

Since, perimeter of the rectangular pool is 72 meters.

2(l + 2w) = 72

l + 2w = 36 --------(1)

If length of the pool is twice of its breadth,

l = 2w

w = [tex]\frac{l}{2}[/tex] -------(2)

By substituting the value of 'w' from equation (2) to equation (1),

[tex]l+2\times{\frac{l}{2}}=36[/tex]

2l = 36

l = 18 meters

Slove (3x-2)=(2x-1)/(2) show step by step

Answers

Answer:

x= 3/4

Step-by-step explanation:

[tex](3x - 2) = \frac{(2x-1)}{2}[/tex]

2(3x - 2) = (2x - 1)

6x - 4 = 2x -1

4x = 3

x= 3/4

Answer:

x=3/4

Step-by-step explanation:

Remove parentheses.

3x-2=\frac{2x-1}{2}3x−2=22x−1

Multiply both sides by 22.

6x-4=2x-16x−4=2x−1

Add 44 to both sides.

6x=2x-1+46x=2x−1+4

Simplify 2x-1+42x−1+4 to 2x+32x+3.

6x=2x+36x=2x+3

Subtract 2x2x from both sides.

6x-2x=36x−2x=3

Simplify 6x-2x6x−2x to 4x4x.

4x=34x=3

Divide both sides by 44.

x=\frac{3}{4}x=43

What is the value of 0.52 +
3
5

Answers

Answer: 35.52

Step-by-step explanation:

Answer:

35.52

Step-by-step explanation:

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