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Anuta_ua [19.1K]
3 years ago
13

5(3a+b)−2(3a+b) in simplest form I NEED HELP!

Mathematics
1 answer:
nordsb [41]3 years ago
7 0

Answer:

9a + 3b

Is the answer

Step-by-step explanation:

5(3a + b) - 2(3a + b) \\  = 15a + 5b - 6a - 2b \\  = 9a + 3b

( - ) \times ( + ) = ( - ) \\

That is why

( - 2) \times b =  - 2

And

( - 2) \times 3a = ( - 6)

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I need help , if yk the answer help fr!!!
Feliz [49]

Answer:

The measure of the angle JKG is:

m∠JKG = 56°

Step-by-step explanation:

<u>Given</u>

m∠JKG = 76-2x

m∠FHK = 6x-4

J is a midpoint of the segment FG and K is a midpoint of the segment GH.

<u>To determine</u>

m∠JKG = ?

Given that J is a midpoint of the segment FG and K is a midpoint of the segment GH. Thus, making two similar triangles, ΔJGK and ΔFGH

We know that two triangles are similar if the only difference is size. So, the angles remain the same.

so m∠JKG and m∠FHK are equal.

i.e.

m∠JKG = m∠FHK

substitute m∠JKG = 76-2x and m∠FHK = 6x-4

76-2x = 6x-4

6x+2x = 76 + 4

8x = 80

divide both sides by 8

8x/8 = 80/8

x = 10

Therefore, the value of x = 10

As

m∠JKG = 76-2x

substitute x = 10

m∠JKG = 76 - 2(10)

             = 76 - 20

             = 56°

Therefore, measure of the angle JKG is:

m∠JKG = 56°

4 0
3 years ago
A chocolate chip cookie recipe asks for three and one half times as much flour as chocolate chips. If one and three quarters cup
Ganezh [65]
3.5 times as much flour as chocolate chips....
f = 3.5c
f = 1 3/4 (or 1.75)

1.75 = 3.5c
1.75 / 3.5 = c
0.5 = c......chocolate chips needed would be 1/2 a cup


6 0
3 years ago
Please help, if you do not know do not answer please!
Paul [167]

Answer:

1,3 are functions

2,4 are not

6 0
3 years ago
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If there were six dogs and five of them died how many will be life over. ( im not stupid im just bored)
Mariulka [41]
I believe it would be one lol
3 0
3 years ago
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How is a rectangle similar to a square?
STatiana [176]

Answer:

So a square is a special kind of rectangle, it is one where all the sides have the same length. Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rectangle is a square, to be a square its sides must have the same length.

Hope this helps!


7 0
3 years ago
Read 2 more answers
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