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Xelga [282]
3 years ago
8

5x (4x+8) = 4x (6x-10)

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
Distribute
remember a(b+c)=ab+ac

we can actually divide both sides by x
5(4x+8)=4(6x-10)
distribute
20x+40=24x-40
minus 20x both sides
40=4x-40
add 40 both sides
80=4x
divide by 4
20=x
andrew11 [14]3 years ago
7 0
5(4x+8)=4(6x-10)
distribute 5 and 4

20x+40=24x-40
Add 40 to each side

20x+80=24x
Subtract 20x from each side

80=4x
Divide by 4 on each side

x=20, is your answer
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Please answer!! :) <br> I’ll make you brainiest!<br> Ty!
Sedaia [141]

Answer: number one is 10/5 and number 2 is  10/15

Step-by-step explanation:

5 0
3 years ago
Your family goes to a Southern-style restaurant for dinner. There are 6 people in your family.
Viktor [21]

Answer:

Number of people who order chicken dinner = 1

Number of people who order the steak dinner = 5

Step-by-step explanation:

Let

x = number of people who order chicken dinner

y = number of people who order the steak dinner

x + y = 6 (1)

14x + 17y = 99 (2)

From (1)

x = 6 - y

Substitute into (2)

14x + 17y = 99 (2)

14(6 - y) + 17y = 99

84 - 14y + 17y = 99

- 14y + 17y = 99 - 84

3y = 15

y = 15/3

y = 5

Substitute y = 5 into (1)

x + y = 6 (1)

x + 5 = 6

x = 6 - 5

x = 1

Number of people who order chicken dinner = 1

Number of people who order the steak dinner = 5

4 0
3 years ago
Please help if you can I will mark brainliest when it lets me
Igoryamba
Let c be the hypotenuse in miles.
72 + 92 = c2
49 + 81 = c2
130 = c2
130‾‾‾‾√ = 2‾‾√
130‾‾‾‾√ = c
11.4 ≈ c
The path along Riverside Drive is shorter, about 11.4miles, compared to the path along Cypress and Control Avenues, 16 miles. The difference is about 4.6 miles. The Pythagorean theorem allowed me to calculate the distance along Riverside Drive because the three roads from a right triangle.
8 0
3 years ago
What is the value of the expression? <br> f(x)=9+12x , when f(-3)
blondinia [14]

Answer:

I know the answer it is 17

Step-by-step explanation:

x = 9+12 then you x equal the ansewrs

5 0
3 years ago
What is the average of 132 and 1/2 137 and 2/3
tino4ka555 [31]
If you would like to find the average of 132 1/2 and 137 2/3, you can calculate this using the following steps:

<span>132 1/2 = 265/2
137 2/3 = 413/3
</span>
132 1/2 + 137 2/3 = 265/2 + 413/3 = 795/6 + 826/6 = 1621/6
<span>1621/6 / 2 = 1621/12 = 135 1/12
</span>
The correct result would be <span>135 1/12.</span>
6 0
3 years ago
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