3 years ago

I NEED HELPPP PLEASE

Mathematics

1 answer:

yan [13]3 years ago

8 0

.................-3..........

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4(9-3x)+2x-17 <br><br>please help

Liono4ka [1.6K]

-10x+19 is the answer hope this helped you

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3 years ago

Read 2 more answers

These 3 questions pleaseeee!

Sergio039 [100]

Answer:

1. m<T =72 , m<U =54

2. EF= 18 in. , m<F=134'

3. x=4

Step-by-step explanation:

1. <s=<u , there is 180' in a triangle total so 180- <S - <U = <T

180 - 54 - 54 = 72

2. ef = gf

180 - 23 - 23 = 134

3. since bottom 2 angles are = , the 2 sides are also =

see attachment for work

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3 years ago

Evaluate 5x²-3(x-2)+x for x=3

Zepler [3.9K]

Answer:

Step-by-step explanation:

Evaluate 5 x^2 - 3 (x - 2) + x where x = 3:

5 x^2 - 3 (x - 2) + x = 5×3^2 - 3 (3 - 2) + 3

3^2 = 9:

5×9 - 3 (3 - 2) + 3

3 - 2 = 1:

5×9 - 3 + 3

5×9 = 45:

45 - 3 + 3

45 + 3 = 48:

48 - 3

| 4 | 8

- | | 3

| 4 | 5:

Answer: 45

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3 years ago

If b = 10 then a = 5<br><br> what id 2b+5a

MrRa [10]

2(10) +5(5)= 45

b=10 a=5

Plug in the values b and a.

7 0

2 years ago

What is a = 1/2 (b-c) if b is the subject

natulia [17]

Answer:

b = 2a + c

Step-by-step explanation:

Given

a = $\frac{1}{2}$ (b - c)

Multiply both sides by 2 to clear the fraction

2a = b - c ( add c to both sides )

2a + c = b

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2 years ago