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
den301095 [7]
2 years ago
7

How does knowing 8+5=13 help you solve 13-5?​

Mathematics
2 answers:
amid [387]2 years ago
8 0

Answer:

Fact Families

Step-by-step explanation:

They are fact families

insens350 [35]2 years ago
7 0

Answer:

because 8 + 5 = 13 which means that 13-5 =8

Step-by-step explanation:

You might be interested in
Which set of sides would make a right triangle?​
Kruka [31]

Answer:

c

Step-by-step explanation:

7 0
2 years ago
There were 8 finalists in the Atlantic County spelling bee and 12 finalists in the Ocean County spelling bee. If one finalist fr
wolverine [178]
I think it is A
Hope this help you
4 0
2 years ago
Read 2 more answers
15. Complete the indirect proof.
blondinia [14]
I know 17. The formula for INTERIOR angles is 180(n-2) divided by n. therefore 180(6-2) / 6 = 180 x 4 / 6 = 720 / 6 = 120.

and EXTERIOR angles is 360 divided by n, therefore 360/6 = 60.
3 0
3 years ago
Read 2 more answers
A friend of yours, a senior, took the Graduate Record Exam in September and scored in the 99th percentile. In February, your fri
soldi70 [24.7K]

His/her lowered score was most likely due to statistical regression.

<h3>How to determine the reason?</h3>

The missing options in the question are:

A. compensation rivalry  B. Demoralization C.  Differential selection

D.  Testing E.  Statistical regression

From the question, we have:

  • September = 99th percentile
  • February = 90th percentile

A change (whether higher or lower) in the score is caused by statistical regression.

This is so because several variables could attribute to the change in the score.

The relationship between these variables is referred to as statistical regression

Read more about statistical regression at:

brainly.com/question/25987747

#SPJ12

3 0
2 years ago
What can you predict regarding the probability of the
natka813 [3]

Answer:

The frequency does not change with more trials

Step-by-step explanation:

To predict: the probability of the coin landing heads up

Solution:

Probability refers to the chances that an event will occur in an experiment. The value of probability lies between 0 and 1. 0 indicates impossible event and 1 indicates a sure event. The probability of an event can not be greater than 1.

When a coin is tossed, there are two possible outcomes: heads (H), tails (T).

In case of the probability of the coin landing heads up, the frequency does not change with more trials.

6 0
3 years ago
Read 2 more answers
Other questions:
  • a photograph that measures 20 cm by 15 cm is enlarged so that its length becomes 28 cm. what does the width become?
    14·2 answers
  • THE IMAGE DOWN BELOW MATH PLEASE HELP ME WITH THIS ALEGEBRA IM CRYING YALL
    13·1 answer
  • Grace is a 70-year old woman who paid the utility bill online for the first time. She called her bank's customer service center
    8·1 answer
  • The next term in the geometric sequence -1, -2, -4, ... is -6. True or False
    5·1 answer
  • Please help! posted picture of question
    11·2 answers
  • The table below shows all of the possible outcomes of rolling a six-sided number cube and flipping a coin
    7·1 answer
  • Can someone please help me with these 4 questions?
    8·1 answer
  • A circle has a radius of 9.5 centimeters. What is the area of the circle? Use 3.14 for n.
    15·1 answer
  • Find the length of the shortest side ( rounded to 2DP) if the area of the rectangle is 28m^2
    6·1 answer
  • HELP!!!!!!!!!!!!!!!!!
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!