1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
tigry1 [53]
3 years ago
5

If y varies directly as x and y = 21 when x = 5, find x when y = 42.

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Answer: 10

<u>Step-by-step explanation:</u>

varies directly means: \frac{y}{x} = k

Step 1: solve for k   ⇒  \frac{21}{5} = k

Step 2: plug in the given value and k to solve for the missing value: \frac{42}{x} = \frac{21}{5}

42(5) = 21(x)

\frac{42(5)}{21} = \frac{21(x)}{21}

2(5) = x

10  = x


You might be interested in
Rachel needs to save $1.015 to buy a new scooter. If she saves $35 each
fiasKO [112]

Answer:

Step-by-step explanation:

From the problem statement, we can setup the following equation:

35M = 1015

where M is the number of months that Rachel has saved up money.

Dividing both sides by 35, we get the answer:

M = 29

7 0
2 years ago
Read 2 more answers
What are the coordinates of the point on the directed line segment from (6, -10) to
sveta [45]

Answer:

There are 2

(6 2/5, -6 2/5)

(8 3/5, 4 2/5)

Step-by-step explanation:

8 0
3 years ago
What is the measure of ∠DEG?<br> A) 133° <br> B) 103° <br> C) 77° <br> D) 67°
nordsb [41]
Hmmmmmm
Let me think for a second

3 0
3 years ago
Read 2 more answers
​​A number has located a distance of 4 units from -3. <br><br> What could the number be?
zhannawk [14.2K]
The number could be -7 or 1
4 0
2 years ago
Glenn rolls a 6-sided die. What is the probability that he gets a number greater than 2 or an odd number?
Marysya12 [62]
Hello!

You can write down what the possible numbers their are

The numbers greater than 2 are 3, 4, 5, and 6

The numbers that are odd are 1, 3, and 5

List all the numbers out in a row

3, 4, 5, 6, 1, 3, 5, 

Eliminate one of the numbers that repeat

3, 4, 5, 6, 1

You put the amount of answers of the total amount of outcomes

The answer is 5/6

Hope this helps!


8 0
3 years ago
Other questions:
  • Alison wants to find out how much time people spend reading books. She is going to use a questionnaire.
    14·1 answer
  • Greg has a bag of beads that contains 16 black, 20 red, and 4 white beads. He randomly picks a head places it back into the bag
    9·1 answer
  • What's number 2 and 3
    5·1 answer
  • Find the measure of the angles
    9·1 answer
  • (x-2)= - 1/4(x-8) what does x equal?
    9·2 answers
  • Pleaseeeeee help meeee!!!
    5·1 answer
  • Emma wants to build a fishpond next to her cabin. The ratio of Bass to Bluefish should be 4 to 1. If her pond can hold 30 fish,
    11·1 answer
  • HELP What is the value of p?
    7·1 answer
  • What is 29% of 135 kg?.<br><br><br><br><br>pls ans​
    11·1 answer
  • What is the solution to the equation?<br> 5=2/5a<br> O2<br> O43/5<br> O121/2<br> O25
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!