Variables x, y, and z are integers such that xyz > 0. If xy=30, x/z=2/3, and z=9, what is the value of y?

Answers

Answer 1
Answer:  5

Explanation:

Plug z = 9 into the second equation and solve for x.

x/z = 2/3

x/9 = 2/3

x = 9*(2/3)

x = 18/3

x = 6

This leads to

xy = 30

y = 30/x

y = 30/6

y = 5


Related Questions

Find the value of 8724 - 3568

Answers

Answer:

10312 i think

Step-by-step explanation:

Choose Yes or No to tell if the number 80 will make each equation true.
320 ÷ □ = 40
Choose...


4,800 ÷ □ = 60
Choose...


7,200 ÷ □ = 900
Choose...


16,000 ÷ □ = 200
Choose...

Answers

Answer:

No : 8

Yes : 80

No : 8

Yes : 80

Answer:  

Only the second and the fourth option that is true

Step-by-step explanation:

James has 861 feet of rope. There are 14 teams of hikers.
If James gives an equal amount of rope to each team, how much rope will each team receive?

Answers

Answer:

61.5 Feet of Rope

Step-by-step explanation:

Divide the rope length, 861 feet, by 14 people.

The highest elevation in the United States is Mt. McKinley in Alaska, which measures 6,194 m above sea level. The lowest elevation in the United States is Death Valley in California, which measures 86 m below sea level. What is the height difference, in meters, between the highest and lowest elevations in the United States?

Answers

Answer:

the difference is 6280 m

Step-by-step explanation:

A bike was reduced by 20% in a sale.
If its sale price was £520, what was its original price?

Answers

Answer:

416

Step-by-step explanation:

Answer:

£500

Step-by-step explanation:

Maria's dinner bill is $21.89 after tax. If she wants to leave a15% tip, what will the total cost of the dinner be?a. $24.22b. $3.28c. $18.61d. $25.17

Pls answer quick!

Answers

Answer:

d

Step-by-step explanation:

A trail mix has 16 cups of raisins, 3 cups of dates, 24 cups of peanuts, and 2 cups of cashews. Which
Ingredients are in the same ratlo as cashews to raisins

Answers

cashews: raisins = 2:16= 1:8

dates : peanuts = 3:24= 1:8 so the answer is dates and peanuts!

30,688 to the nearest ten thousand is
.
548 to the nearest hundred is

Answers

3,456.073084 is the answer :)

he statement “Angles that measure more than 50 degrees are obtuse angles” has a counterexample.

Answers

For example, a 60 degree angle is still acute because the true definition of an obtuse angle is one with more than 90 degrees.

-1/8 - 0.356 find the sum of this equation

Answers

-0.481 :)

Step-by-step explanation:

If cos(x)= 3/4 and tan(x), what is cos(2x)?
-3sqroot7/8
-1/8
1/8
3sqroot7/8

Answers

Answer:

The answer is 1/8 or C.

Step-by-step explanation:

I know this is correct because I got it right on edge 2021.

**please mark brainliest!**

.The value of cos(2x) is 1/8

What is Trigonometry?

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

Given:

cos x = 3/4

Using identity,

cos 2x = 2 cos^2 (x)-1

=2(3/4*3/4)-1

=2*9/16-1

=9/8-1

=1/8.

Learn more about trigonometry here:

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What is the value of x? PHOTO INCLUDED/WILL MARK BRAINLISET!!!!

Answers

Answer:

1. x = 6.5

2. x = 5

Step-by-step explanation:

The tank in Sabina’s car hold 12.7 gallons of gasoline. Currently, the gas tank is 3/4 full. How much gasoline is in the car’s tank? Round your answer to the nearest tenth.

Answers

Answer:

9.5 gallons

Step-by-step explanation:

12.7 x .75

multiplying by .75 is the easiest way to get 3/4 of something

Translate point (2, -1) seven units up. Write the new coordinate as an
ordered pair. help pls!

Answers

Answer:

(2,6)

Step-by-step explanation:

Up on a graph is adding to the y-value. (x,y)

x-value = 2

y-value = -1

-1 + 7 = 6

(2,6)

Hope this Helps! :)

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

-SGO

Order these from greatest to least:
0.009 m, 12 cm, 8 nm, 5 x 10^-1 m

Answers

8 nm, 0.009m, 12cm, 5 x 10^-1m

7) Joey is four years older than Billy. The sum of
their ages is 24.
a) Write a system of equations to represent
this situation. Let j=Joey's age and
b=Billy's age.
b) Solve to determine the age of both Billy and
Joey

Answers

Answer:

Joey is 14, Billy is 10.

Step-by-step explanation:

The system of equations you can use is:

j=b+4

j+b=24

(b+4)+b=24

2b+4=24

2b=20

b=10

j=10+4

j=14

Answer: j+b=24

J=b+4

Step-by-step explanation: (b+4) + b=24

You’re going to substitue J=b+4 into j+b=24

you’re going to get joeys age 14, Billy’s age 10


Tory and her friend Terrence ride their bikes to school each day. On one particular day, Tory started out 5 minutes before Terrence. Tory rides at a rate of 880 feet per minute and Terrence rides at a rate of 1.056 feet per minut
How long had Tory been riding when Terrence caught up with her?

Answers

Answer:

4:30 minutes im thinking

Step-by-step explanation:

The value is  30 minutes. Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression.

What is meant by expression?

Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the expression 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.

The expression that give us the distance that Tory has ride after t minutes is:

D = 880t

Because Tory rides at 880 feet per minute.

At the same way, the distance that Terrence has ride after t minutes is equal to:

D = 1056(t - 5)

Because Terrence rides at 1056 feet per minute and he starts out 5 minutes after Tory

Now, we need to find t when both expressions are equal, so we can formulate the following equation:

[tex]880t=1056(t-5)[/tex]

So, solving for t, we get:

[tex]880t=1056t - 1056.5[/tex]

[tex]880t=1056t - 5280[/tex]

[tex]880t=1056t =-5280[/tex]

[tex]-176t=-5280[/tex]

[tex]t=-5280/-176[/tex]

[tex]t= 30[/tex]

Therefore the answer is 30 minutes

To learn more about  expression refer to:

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20r + 11r + –19r − –4 = –20

Answers

Answer:

r=-2

Step-by-step explanation:

First, you need to combine like terms so now you have 12r-(-4)=-20. Then you have to subtract -4 to -20 which equals -24 so now you have 12r=-24. Finally, you divide 12 from both sides and you get r=-2

Answer:

r = -2

Step-by-step explanation:

20r + 11r - 19r + 4 = -20

12r + 4 = -20

subtract 4 from both sides of the equation

12r + 4 - 4 = -20 - 4

12r = -24

divide both sides by 12

12r/12 = -24/12

r = -2

I’m really confused please help!

Answers

Answer:

yes

Step-by-step explanation:

i did this last week

Answer:

Yes, it is.

Step-by-step explanation:

Which of the following is not a benefit of increased physical activity?
Select one:
O a. Sleep Better
O b. Less Energy
O c. Improved Mood
O d. Improved Health

Answers

Answer:Less energy

Step-by-step explanation:Because if you don't have alot of energy in you you'll be tired and cant move that much if that makes since.

Answer is  b. Less Energy is not a benefit of increased physical activity.

What is physical activity?

Physical activity refers to all movement including during leisure time, for transport to get to and from places, or as part of a person's work.

here, we know that,

not a benefit of increased physical activity is Less Energy.

Because if you don't have a lot of energy in you you'll be tired and cant move that much if that makes since.

Hence, Answer is  b. Less Energy is not a benefit of increased physical activity.

To learn more on physical activity click:

https://brainly.com/question/14338730

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answer for brainliest
pic below
correct answers only

Answers

a- 2/7
b-3/4
c- 2/4
d- 0/4

The circumference of a circle is 18 feet. What is the area

Answers

Answer:

18

Step-by-step explanation:

it does not have an area its an circle so it just 18 feet

really want a crown

NEED HELP ASAP WILL GIVE BRAINLY IF CORRECT PLEASE HELP 20 POINTS out

Answers

-15x -8y=-27 Thas the answer

Answer:

It would be -27

Step-by-step explanation:

Math

I need help(explanation) on how to find h and m. I will give 12 points!​

Answers

Answer:

h= 44 degrees

m= 45 degrees

I think this is the answer

The endpoints of RS are R: (9,-4) and S: (2, -8).
Which are the coordinates of the midpoint of RS?
A (11-2
B: (1. –6).
c (3,-2)
D (-6)

Answers

Answer:

B, (11/2,-6)

Step-by-step explanation:

to get the midpoint of two endpoints, simply take the average of each corresponding coordinate

midpoint: ((Rx+Sx)/2,(Ry+Sy/2)).

((9+2/2),(-4+-8/2)) = (11/2,-12/2) = (11/2,-6)

the midpoint formula in general is : ((x+x1)/2),(y+y1)/2))

where x1 is the initial or first x coordinate, y1 is the initial or first y coordinate, x is the second, last, or final x coordinate. and y is the second, last, or final y coordinate.

A 2-month membership to the gym costs $125. Alex would like to be a member for 1 year (12 months). What is the total amount he will pay for the year?

Answers

Answer:

$750

Step-by-step explanation:

We divide 12 months which is the time Alex would like to be a member by 2 which gives us 6. We know 2 months=$125 so if 2×6=12, $125×6 = A 1 year membership.

It was 12°C when Preston got home from school.
The weather report shows a storm front moving
in that will drop the temperature by 17°C. What
is the expected temperature

Answers

Answer:

-5 degrees C

Step-by-step explanation:

drop indicates minus

12-17=-5

-5 degrees C

Find the circumference of the circle to the nearest
tenth. Use 3.14 for T.
28 m

Answers

Answer:

I wish I've known, but try using Symbo-Lab or Math-Way. They help a lot.

Step-by-step explanation:

The circumference is 56×3.14 (175.9)


What is the inverse of the function y = 2x - 3?

Answers

Answer:

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

Step-by-step explanation:

Which of the following choices is NOT GEOMETRIC SEQUENCE.

a.
2, -4, 8, . . .


b.
8, 2, 0.5, . . .


c.
1/2, 1/6, 1/18, . . .


d.
-7, -2, 3, . . .​

Answers

B is not a geometric sequence

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