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yawa3891 [41]
2 years ago
10

Simplily x+2x+7-5x+8​

Mathematics
2 answers:
Ksju [112]2 years ago
6 0

Answer:

-2x+15

Step-by-step explanation:

x+2x-5= -2x

-2x+7+8

7+8= 15

-2x+15

Naily [24]2 years ago
5 0

Answer:

-2x+15

Step-by-step explanation:

x+2x-5x+7+8_____ Collecting like terms

-2x+15__________ simplified form

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Does it help to remember and/or list out your square roots
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It is a good thing to remember. Of course, not all, but some basic numbers that appear all the time such as the numbers from 2 to 13 should be remembered as they appear in numerous assignments and tests.
6 0
2 years ago
Can sumone plzhelp..Apply the distributive property to factor out the greatest common factor of all three terms .
Nat2105 [25]

Answer:

3(3a - 6b + 7c )

Step-by-step explanation:

The greatest common factor of 9, 18 and 21 is 3

Factor out 3 from each term

9a - 18b + 21c

= 3(3a - 6b + 7c) ← in factored form

6 0
3 years ago
Read 2 more answers
the area of a right triangle is 336 square centimeters. The base of the right triangle is 48 centimeters. What is the length of
Alex73 [517]

Answer:

50 cm

Step-by-step explanation:

So the first step is to find the height, and to do that you know that the area of a triangle is height * base / 2 =  area. Plugging in the numbers you have, you get:

height*48/2=336

Then, this becomes

height * 24 = 336

Divide both sides by 24

height = 14

Now you can use the base and the height to find the hypotenuse using the Pythagorean Theorem: a^{2} +b^{2} =c^{2}

48^{2} +14^{2} =c^{2} \\2304 + 196 = c^{2}\\2500 = c^2\\50 = c\\c = 50

Therefore the length of the hypotenuse is 50 cm

8 0
2 years ago
gavin has 460 baseball players in his collection of baseball cards and 15% of the players are pitchers.how many pitchers are in
Kruka [31]
69 is the correct answer

460 divided by 100 times 15 = 69
8 0
2 years ago
A train traveled 450 kilometers (450 km) east from its starting point for 9 hours (9 h). What was the average speed of the train
elixir [45]

Answer:

You need to find the average for your numbers

Step-by-step explanation:

4 0
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