Tell whether the ratios form a proportion.
9:3 and 45:15
.yes

.no
Explain. How do you know?

Answers

Answer 1
Yes
9:3- 3:1
45:15 - 3:1

Related Questions

a person who wants to get in shape goes to a local gym that advertises 45 training sessions for $712. find the cost of 145 training sessions

Answers

Answer:

2294.2222

Step-by-step explanation:

The answer would be 2294.2219 because 712/45=15.82222 so 15.82222*145=2294.2219

Hope this helps

Have a great day/night

Feel free to ask any questions

find X that make the triangle similar you need to write and solve a proportionality. need asap!

Answers

Answer:

choice 5) x = 9

Step-by-step explanation:

(x-4)/(x+3.5) = 8/20

20x-80 = 8x+28

12x = 108

x = 9

I’ll give you brainliest Find the slope of the line graphed below.

Answers

Answer:

0.5 is the answer . look at the picture

Answer:

Step-by-step explanation:

0.5

90 divided by 3 + ( 3 - 2 ) - 20.

Answers

Answer:

11

Step-by-step explanation:

first 3-2=1 the divide 90 by 3 then add the 1 the subtract that by 20 and you will get 11

The result of the expression 90 divided by 3 plus the quantity (3 minus 2) minus 20 is 11.

To evaluate the expression 90 divided by 3 + (3 - 2) - 20, we can follow the order of operations (also known as PEMDAS/BODMAS), which stands for Parentheses/Brackets, Order/Exponents, Division/Multiplication, and Addition/Subtraction:

First, let's simplify the expression within the parentheses:

3 - 2 = 1

Now we can substitute the simplified expression back into the main expression:

90 ÷ 3 + 1 - 20

Next, perform the division:

90 ÷ 3 = 30

Now we have:

30 + 1 - 20

Next, perform the addition:

30 + 1 = 31

Finally, perform the subtraction:

31 - 20 = 11

Therefore, the value of the expression 90 divided by 3 + (3 - 2) - 20 is 11.

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f(x) = 2x2
Find f(-6)

Answers

Is it 2 times x squared (2x^2?

2 * 6^2
2 * 36
72

Josh has a $250 gift card to Under Armour.
He plans to buy as many pairs of shorts as he
can. The cost of each pair is $22.50. There is also
a single shipping charge of $6.50. How many
pairs of shorts can he afford without spending
more than his gift card amount? Write the
inequality, then solve, and state your answer.

Answers

Answer:

8 pairs

Step-by-step explanation:

250/29 = 8.6

so 8 is the answer cause you probably can't cut them in half

Answer:

10 pairs

22.50x+6.50<_250

Step-by-step explanation:

If you do 22.50 times 10 you get 225 then you add 6.50 which would give you 231.50. You cant add any more pairs of shoes because you would go over the $250 limit. For example if you added 22.50 one more time you would be at 254. Therefore it would be 10 pairs of shoes.

Unit price $12 for 150lb bag

Answers

Answer:

For $1 its 12.5lbs

Step-by-step explanation:

At a company meeting, there were 45 people in attendance. 80% of them were managers. How many managers were in the meeting?
I will Give Out the Brainlest

Answers

Answer:

36 managers

Step-by-step explanation:

Ms. Parker earns $5 per hour babysitting. She already had $2 before she started. How
many hours does she have to babysit to have $22?

Answers

Answer:

4 hours

Step-by-step explanation:

simply multiply


What is the solution to 4
***25-79
ΧΣ- 12
ΧΣ 12
Ο χK12
Ο χ4 - 12

Answers

Answer:

[tex]\displaystyle x \leq 12[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right  

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Step-by-step explanation:

Step 1: Define

[tex]\displaystyle -\frac{3}{4}x + 2 \leq -7[/tex]

Step 2: Solve for x

[Subtraction Property of Equality] Isolate x term:                                           [tex]\displaystyle -\frac{3}{4}x \leq -9[/tex][Division Property of Equality] Isolate x:                                                         [tex]\displaystyle x \leq 12[/tex]

Here we see that any value x smaller than or equal to 12 would work as a solution to the inequality.

what kind of coin is this? i found it on the sidewalk:

Answers

Answer:

is that a nickel? i cant see it well

Answer:

its Eisenhower one dollor coin. its a pretty pog coin ngl

Step-by-step explanation:

slope=8, y-intercept=2 Write each equation that describes each line in slope-intercept form

Answers

thats messed up are you 5 years old or something

Given that M is the midpoint of line segment AC, AM = x + 20, and MC = 5x - 4. Find the lenght of AM.

Answers

Answer:

6 units

Step-by-step explanation:

AM = MC

AM = x + 20

MC = 5x - 4

x + 20 = 5x - 4

20 = 4x - 4

24 = 4x

x = 6

The required length of the AM is 27.

Given that,
M is the midpoint of line segment AC,
AM = x + 20, and MC = 5x - 4.
To find the length of AM.

What is the midpoint?

The midpoint is that point the line whose distance from both the ends of the line is equal.

Here,
M is the midpoint of line segment AC, i.e.
AM = AC                             - - - - - - - - - - -- - - (1)
AM = x + 20, and MC = 5x - 4
Put  AM and MC in equation 1

x + 20 = 5x - 4
5x - x = 20 + 4
4x = 24
x = 24 / 4

x = 7

Now,
Length AM =  x + 20
Length AM =  7 + 20
Length AM =  27

Thus, the required length of the AM is 27.

Learn more about midpoints here: https://brainly.com/question/28224145
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I need help on this I'll give brainiest

Answers

Answer:

Identify and combine the x^2 terms: The terms are x^2,4x^2,x^2. The combination is 6x^2

Indentify and combine the x terms:The terms are 2x, x, 3x. The combination is 6x

Indentify and combine the constants: The constants are 3,9, 11. The combination is 23.

The simplified expression becomes: 6x^2+6x+23

Divide 1170 denars in a ratio of 2: 3: 8.

Answers

Answer:

180:270:720

Step-by-step explanation:

total units-> 13u

1 unit -> 1170÷13=90

2u->90×2=180

3u->90×3=270

8u->90×8=720

What is 75% of 5000.

Answers

Answer:

3750

Step-by-step explanation:

Answer:

3750

Step-by-step explanation:

0.75 x 5000

Find all possible values of x for which these two triangles are similar.

Answers

Answer:

I see no solution.

Step-by-step explanation:

The sum of the angles of a triangle is 180°

Given

x+ x + 10 +y = 180. and

2x -50 + 50 + y = 180

y represents the angles with no value indicated.

Simplifying:

2x +y +10 = 180

2x + y = 180

This looks like a no solution system.

If I'm missing something, I hope someone else can explain it.

The two triangles are similar when two angles of the triangle are equal.

The possible value of x which the two triangles are similar is x = 60°

Reasons:

Required;

To find the values of x for which the two triangles are similar

Method:

Given that two angles of the triangle are specified, the triangles can be

similar for only one value of x.

Solution:

The two triangles are similar when we have;

x + 10° = 2·x - 50°

Which gives;

2·x - x = 50° + 10° = 60°

x = 60°

Checking gives;

x + 10° = 2·x - 50° = 70°

Two angles of the first triangle are;

70° and 60°

The third angle of the first triangle is (180° - (70° + 50°)) = 60°

The three angles of the first triangle are therefore; 70°, 60° and 50°.

Two angles of the second triangle are;

70° and 50°

The third angle of the second triangle is (180° - (70° + 50°)) = 60°

The three angles of the second triangle are therefore; 70°, 60° and 50°

Therefore, the two triangles are similar by AAA similarity.

The two triangles are similar when, x = 60°

When x = 50°, we have;

x + 10° gives;

50° + 10° = 60°

∴ ∠(x + 10°) = 60°

The two angles of the first triangle are; 60° and 50°

The third angle on the second triangle is 180° - (60° + 50°) = 70°

On the second triangle, we have;

2·x - 50° gives;

2 × 50° - 50° = 50°

∴∠(2·x - 50°) = 50°

Therefore, the two angles of the second triangle are; 50° and 50°

The third angle on the second triangle is 180° - (50° + 50°) = 80°

Therefore, the two triangles are not similar when x = 50°

Similarly, the two triangles are not similar when x + 10° = 50°

Therefore;

The possible value of x which the two triangles are similar is x = 60°

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https://brainly.com/question/2860868

I don’t know C help please please please

please

Answers

9514 1404 393

Answer:

  c) points: (0, 600), (1, 400); equation: y = 100 +500·(0.6^x)

Step-by-step explanation:

c) It is convenient to choose points that are on the grid intersections. Two such points are ...

  (0, 600) and (1, 400)

From part (a), you know that the horizontal asymptote is 100, so this is the value that is added to the exponential function. That is, the exponential term of the function decays from 600-100 = 500 at x=0 to 400 -100 = 300 at x=1. The "growth factor" is then 300/500 = 3/5 = 0.6.

The exponential equation is then ....

  y = (horizontal asymptote) + (initial exponential term)(growth factor)^x

Using the numbers we just developed, this is ...

  y = 100 + 500(0.6^x)

Please help!
F(x)=1-3x;x=4,x=4+h
Determine net change and average change between the given values of the variables

Answers

f(x) = 1-3x, x = 4 , x = 4+h

(a) find the net change of f(x):  

f1= f(x=4) = 1-3(4) = 1 - 12 = -11

f2= f(x=4+h) = 1-3(4+h) = 1-12 + 3h = -11 - 3h

Net change = f2 - f1 = -11 -3h - -11 = -3h

(b) average rate of change = slope = (f2 - f1)/(x2-x1) = -3h/((4+h)-4 =-3

Use the distributive property to remove the parentheses.
6c5(2c2-9)
Simplify your answer as much as possible.

Answers

Answer:

[tex]12c^{7} -54c^{5}[/tex]

Step-by-step explanation:

Answer:

is that a among us code ok let me join

Help help help plzzzz

Answers

Answer:

2.5824 × 10⁶

204/5.3 = 38.49056. Round to 38.49

Step-by-step explanation:

scientific notation

1.20 × 2.152 = 2.5824.

Answer:

1. 2.58

2. 39

Step-by-step explanation:

Quick answers please!!!

Answers

Answer:

Step-by-step explanation:

The higher the frequency, the higher the pitch.

so it 10000 Hz

Answer:

10,000 Hz

Explanation:

Pitch is directly proportional to frequency . Hence, 10,000 Hz has a highest pitch.

HELPP ME PLEASE I’ve been here 3 hours trying to figure this thing out

Answers

Answer: 32 sq.cm

Step-by-step explanation:

If you think of it as there being 2 squares instead of 1, you can think well since the whole one side of the rectangle is 8cm and the half side is 4 then that must mean that the other square that you just divided up must be 3 by 4 so then you can multiply those and get 12 and you do the same for the other one which would be 4 by 5 and when you multiply those you will get 20 and when added you get 32. Hope this helps :)

Answer:

32 sq

Step-by-step explanation:

A

A=LXW

A=3X8

A=24

B

A=LXW

A=4X2

A=8

24+8=

find the image of (1,2) after a reflection about x =3 followed by a reflection about x=7

Answers

Answer: (9,2)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Please help me with this. I’m having trouble.

Answers

Answer: I think it’s 55 i am sorry if it’s wrong

Step-by-step explanation:

Compare the following numbers, use a <, > to fill in the blank: 6 __  2

Answers

Answer:

6 _>_  2

Hope it helps

Have a good day

Scientists measured the size of Dungeness crab shells
over a 10 year period from 1982 to 1992, both in
nature and in the laboratory
x = premoult (before shedding) shell size (mm)
y = postmoult (after shedding) shell size (mm)
This bivariate data set was modelled using a linear
least
squares regression line 9=0.9056x+26.729
with a correlation coefficient of r = 0.990.
Predict the value of a postmoult shell in mm, given
that premoult shell size was 90 mm.

Answers

Answer:

sorry wish I could've helped you

5th grade math. Correct answer will be marked brainliest.

Answers

Answer:

0.065

Step-by-step explanation:

64.9 / 1000 = 0.0649 --> 0.065

Answer:

15.406 kg of sugar per muffin. Just have to divide 1,000 by 64.9

Step-by-step explanation:

What part does interest play in deficit spending?

Government must pay interest on money they borrowed when they take on debt

Citizens must pay interest when their government borrow money

Government to be charge foreign countries inches when they borrow money

Interest is not a factor when a governments budget is in deficit

Answers

Answer:

Government must pay interest on money they borrowed when they take on debt

Consider this quadratic equation.
x + 2x + 7 = 21
The number of positive solutions to this equation is ____
The approximate value of the greatest solution to the equation, rounded to the nearest hundredth, is _____

Answers

Answer:

1 solution

2.88

Step-by-step explanation:

Consider this quadratic equation.

x ^2+ 2x + 7 = 21

Subtract 7 from both sides

x ^2+ 2x + 7 -7= 21-7

x^2+2x = 14

x^2+2x -14 = 0

Factorize

x = -2±√2²-4(-14)/2

x= -2±√4+56/2

x = -2±√60/2

x = -2±7.75/2

x = -2-7.75/2 and -2+7.75/2

x = -9.75/2 and 5.75/2

x = -4.88 and 2.88

Hence there are 1 number of positive solution

The approximate value of the greatest solution to the equation, rounded to the nearest hundredth, is 2.88

Answer:

The number of positive solutions to this equation is

1

The approximate value of the greatest solution to the equation, rounded to the nearest hundredth, is

2.87

Step-by-step explanation:

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