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azamat
2 years ago
12

5x - 12 = 13, solve using algebra.

Mathematics
2 answers:
irina [24]2 years ago
4 0

5x - 12 = 13

5x = 13 + 12

5x = 25

25 divided by 5 is 5

Answer: x = 5

ella [17]2 years ago
3 0

Step-by-step explanation:

5x-12=13

5x -12 =13

+12=+12

<u>5x</u>= <u>25</u>

5 =. 5

x=5

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IGIVEEEEEEEEEEEEEEEEE BRAINLILSTTT
Temka [501]

Answer:

first box (x): 10

second box (y): 12

Step-by-step explanation:

HIJ is a translation of HIJ

translation just means you move the whole thing without any rotations dialations ect just moving it

from the blue shape it is asking what do you have to do to the x and y to get to the purple shape

you have to go +_x and take away _y

when you add a digit to x it moves to the right

when you add a digit to y it goes one up

because the HIJ are equaly spaced it dosnt matter which one we choose cause it will have the same answer

im going to use J

on the blue J you can see the x value is -8

the purple J's value is 5

to get from -5 to 5 you add 10

-5+5=0

0+5=5

5+5=10

therefore the first box (x) is 10

same thing for the y value im going to use J again

blue y value of J is 7

purple y value of J is -5

their distance is 12

7-7=0

0-5=-5

7+5=12

second box (y) is 12

i hope this helps

8 0
2 years ago
Please hurry I’m being timed! (50 pts)
photoshop1234 [79]

Answer:

A

Step-by-step explanation:

An excluded value is any value of x that makes the denominator of the rational expression zero as this would make the expression undefined.

For expression A

\frac{x-3}{x^2-4}

The denominator will be zero when x² - 4 = 0

x² - 4 is a difference of squares, thus

(x - 2)(x + 2) = 0

x - 2 = 0 ⇒ x = 2

x + 2 = 0 ⇒ x = - 2

The excluded values of x are x = ± 2 ⇒ A

8 0
3 years ago
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4 over 7 of students at a school are boys. If there are 2184 students at the school, how many are girls?
lisov135 [29]
2180 or 2177 i think that is the answer
6 0
3 years ago
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A clown needed 275 balloons for a party he was going to, but the balloons only came in packs of 2.How many packs of balloons doe
atroni [7]
For this case what you need to know is that each package contains 2 balloons.
 Therefore, you can solve the problem by making the following rule of three:
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 x ---------------> 275 balloons
 Clearing x we have:
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 x = 137.5
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 x = 138
 Answer:
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8 0
3 years ago
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