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salantis [7]
2 years ago
9

Plzzzzzzzzzzzzz helpppppppppppppp

Mathematics
2 answers:
Ierofanga [76]2 years ago
6 0
Heyyyoooooooooo I got youuuuuu giveeee meeee a second pleaseeeeeee
NikAS [45]2 years ago
6 0

Answer:

<h3>Question 25:</h3>

6

<h3>Question 19:</h3>

16

Step-by-step explanation:

<h3>Question 25:</h3>

\frac{x}{12}  +  \frac{y}{3}  = 2

\frac{y}{3 }  = 2 -  \frac{x}{12}

y = 3( 2 - \frac{x}{12} )

y = 6 -  \frac{x}{4}

y =  -  \frac{x}{4}  + 6

<h3>Question 19:</h3>

{x}^{2}  - 8x + c

{x}^{2}  + c - 18

To find the c value ,

c = ( \frac{b}{2} {)}^{2}

divide the coefficient of x by 2 and square the result.

( - 1 \times 4 {)}^{2}

( - 4 {)}^{2}

16

<h3>Hope it is helpful....</h3>
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6x+3(4x-2)=5(2x-8) the answer is -17/4 but can someone explain how to get that answer? plz help lol​
Sergeu [11.5K]

Answer:

<h2>x =  -  \frac{17}{4}</h2>

Step-by-step explanation:

6x + 3(4x - 2) = 5(2x - 8)

Expand the terms in the bracket and simplify

That's

6x + 12x  - 6 = 10x - 40 \\ 18x - 6 = 10x - 40

Using the subtraction property subtract 10x from both sides of the equation

18x - 10x - 6 = 10x - 10x - 40 \\ 8x - 6 =  - 40

<u>Add 6 to both sides of the equation</u>

8x + 6 - 6 =  - 40 + 6 \\ 8x =  - 34

<u>Divide both sides by 8</u>

\frac{8x}{8}  =  -  \frac{34}{8}

<u>Reduce the fraction with 2</u>

We have the final answer as

x =  -  \frac{17}{4}

Hope this helps you

7 0
3 years ago
.002 centimeters=_____ mm <br> Help?
Rina8888 [55]

Answer:

0.02

Step-by-step explanation:

divide it by 10.

4 0
3 years ago
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Help!! Find the area of the triangle.
grigory [225]

Answer:

Area = 60.0 units²

Step-by-step explanation:

First, let's find the height of the triangle using Pythagorean Theorem:

Height = √(11² - 8²)

= √57

Height = 7.5 (nearest tenth)

✔️Find the area:

Area = ½*base*height

Base = 2*8 = 16

Height = 7.5

Plug in the values

Area = ½*16*7.5

Area = 60.0 units² (nearest tenth)

3 0
2 years ago
Part A: Rhett made $250 washing cars with his mobile car wash company. He charges $70 per car and earned $50 in tips. Write an e
neonofarm [45]

Answer:

250=70x+50

Step-by-step explanation:

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Tom earned $600 last summer delivering newspapers. This summer he earned 20% more. How much did he earn this summer?
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Answer:

720

Step-by-step explanation:

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