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Dafna1 [17]
3 years ago
5

Does anyone know this?

Mathematics
1 answer:
Anni [7]3 years ago
5 0
7,8, and 9
8 * 9 = 72
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I don’t know how to do this lol this is a test
Artemon [7]

Answer:

D) x+y=-3

Step-by-step explanation:

Basically, if you plug in the x and y-coordinates into an equation, both sides should work out to be equal to each other:

Since -5+2\neq 3, we can eliminate choice A

Since -5-2\neq -3, we can eliminate choice B

Since -5-2\neq 3, we can eliminate choice C

Therefore, since -5+2=-3, then D is correct. Also, 3+(-6)=-3

3 0
2 years ago
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Al washed a car in 6 minutes. Fred washes the same car in 8 min. How long dies it take Al and Fred to wash the car together?
Roman55 [17]
In\ 1min\ Al\ wash\ \frac{1}{6}\ car.\\In\ 1min\ Fred\ wash\ \frac{1}{8}\ car\\\\Together\ in\ 1min:\frac{1}{6}+\frac{1}{8}=\frac{4}{24}+\frac{3}{24}=\frac{7}{24}\ car\\\\Answer:Al\ and\ Fred\ wash\ the\ car\ in\ \frac{24}{7}min=3\frac{3}{7}min\approx3.5min
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3 years ago
Use complete sentences to explain why |x|+2>|x|
Anna007 [38]
The absolute value of an given number is always positive.  So, when adding two to any positive number will always be greater than the number by itself.
4 0
4 years ago
A doctor’s office records the age at which 200 patients were treated for chicken pox. 60% of the patients were treated before ag
erik [133]
The answer is B. a=48, b=10, c=120, d=13
5 0
3 years ago
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Lucy is designing a new board game, and is trying to figure out all the possible outcomes. How many different possible outcomes
Nadusha1986 [10]

The total possible outcomes are there if she rolls a fair die in the shape of a pyramid that has four sides labeled 1 to 4, spins a spinner with 5 equal-sized sections is 20.

<h3>What is permutation and combination?</h3>

A permutation can be defined as the number of ways a set can be arranged, order matters but in combination the order does not matter.

We have:

Total number of outcomes for pyramid = 4

Total number of outcomes for spinner = 5

Total outcomes = 4×5  (multiplication rule of counting)

= 20

Thus, the total possible outcomes are there if she rolls a fair die in the shape of a pyramid that has four sides labeled 1 to 4, spins a spinner with 5 equal-sized sections is 20.

Learn more about permutation and combination here:

brainly.com/question/2295036

#SPJ1

7 0
2 years ago
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