Joe work 21 hours on his class project. He worked 3 times as long is Marie did. How long did Marie work on a project? Translate and solve the equation

Answers

Answer 1
Answer: the answer is 21 ÷ 3 = 7 hrs
Answer 2
Answer: divide 21 by 3 and you will get 7

m=21/3

Related Questions

Compare 2/6 and 5/8 using benchmark number. Which number can you use to compare these fraction
1. 5 Burgers and 3 orders of fries cost $34. 4 Burgers and 4 orders of fries cost $32. How much does each burger and each order of fries cost?2. A pile of 44 coins is made up of pennies, nickels, and dimes. If the pile is worth $3.07 and there are twice as many nickels as pennies, how many of each coin does the pile contain?
A triangle on the coordinate plane has points located at (2,5) (5,9) and (8,5) what is the area of the triangle?
Which ordered pair is a solution of the equation? y=-2x+5y=−2x+5 (Choice A) A Only (2,-9)(2,−9) (Choice B) B Only (-2,9)(−2,9) (Choice C) C Both (2,-9)(2,−9) and (-2,9)(−2,9) (Choice D) D Neither
Find the value of this expression if x = 9. x^2+7/x+2​

Liam uses checks and a debit card, but does not always write all the transactions in his checkbook register. He has lost track of his checkbook balance. Liam looks up the “available balance” using online banking, and writes it on the next line as his new checkbook balance available to spend. What is wrong with Liam’s method?a.
Liam’s method fails to consider whether he has written any outstanding checks.
b.
The reconciliation worksheet will not work properly using Liam’s adjusted checkbook balance.
c.
Liam could have unexpected non-sufficient funds fees due on any checks that have not yet cleared the bank.
d.
All of the above.


Please select the best answer from the choices provided

A
B
C
D

Answers

All of the above is wrong with Liam’s method and is therefore denoted as option D.

What is a Checkbook?

This is defined as a book containing blank checks to be drawn on a bank. The available and checkbook balance may vary especially if not all checks haven't been drawn.

The problem with Liam’s method therefore include the following:

  • Liam’s method fails to consider whether he has written any outstandingchecks.
  • The reconciliation worksheet will not work properly using Liam’s adjusted checkbook balance.
  • Liam could have unexpected non-sufficient funds fees due on any checks that have not yet cleared the bank.

Read more about Checkbook here brainly.com/question/10138203

#SPJ2

All of the above is the answer

If the sampled population is finite and at least _____ times larger than the sample size, we treat the population as infinite.

Answers

Answer:

The answer is "20".

Step-by-step explanation:

It is also known as the group of the study, that targets the population, which helps to find the survey, which is the sampled population. It is measured by an ideal world, which will be the same, and they're always unique.  

  • Its sampling distribution of the "x bar" should also be naturally independent of the random sample, that is usually distributed.
  • We consider the population as endless if the sampling size is at least 20 times greater than the sample size.

Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -1.5. What is her temperature? Round your answer to the nearest hundredth.

Answers

Answer:

97.27^(o)F

Step-by-step explanation:

We have been given that human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -1.5.

To find Sally's temperature we will use z-score formula.

z=(x-\mu)/(\sigma), where \mu = Mean, \sigma= Standard deviation.

Let us substitute our given values in z-score formula.

-1.5=(x-98.20)/(0.62)

Multiply 0.62 to both sides of equation.

0.62*-1.5=0.62* (x-98.20)/(0.62)

-0.93=x-98.20

Add 98.20 to both sides of equation.

-0.93+98.20=x-98.20+98.20

97.27=x

Therefore, Sally's temperature will be 97.27 degrees Fahrenheit.

Z=\frac{X-\mu}\sigma\iff-1.5=(X-98.20^\circ)/(0.62^\circ)\implies X\approx97.27^\circ

What is the probability of the next car being silver.

Answers

Answer:

40%

Step-by-step explanation:

11+24+16+9=60

24/60=2/5

.40

40%

Collect the data for our solar system

Answers

Answer:

AU:

Merc-0.39

Venus-0.72

Earth- 1

Mars- 1.52

Jupiter - 5.20

Uranus - 19.1

Neptune - 30

Years:

Merc-0.24

Venus-0.61

Earth- 1

Mars- 1.88

Uranus - 84?(maybe)

Neptune - 165

Step-by-step explanation:

edge

Answer:

Step-by-step explanation:

33

Which of these is the triangle proportionality theorem? First person to answer CORRECTLY gets brainliest

Answers

Answer: A.

Step-by-step explanation: Brainliest plz