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Strike441 [17]
3 years ago
9

What is the value of x? Enter your answer in the box. x = ​​

Mathematics
1 answer:
svet-max [94.6K]3 years ago
8 0

Answer:

x = 5

Step-by-step explanation:

(2x - 1) / 9 = 3x / 15

Cross multiply

9(3x) = 15(2x - 1)

Distributive

27x = 30x - 15

Subtract 30x from both sides

-3x = -15

Divide by -3 on both sides

x = 5

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What is the value of x?<br><br> 8x−10−4x=−12(12x−20)
madreJ [45]
What is the value of X?

Simplify:
8x - 10 - 4x =   - 12(12x - 20)


Simplify both sides:
8x - 10 - 4x =  - 12(12x -20)

8x +  - 10 +  - 4x  = (- 12)(12x) + ( -12)(- 20)
(Distribute:)
8x +  - 10 +  - 4x = 144x 240

(8x +  - 4x) + ( -10) =  - 144x + 240 (Combine Like Terms:)

4x +  - 10 =  - 144x + 240

4x - 10 =  - 144x + 240

Add - 144x to both sides:

4x - 10 +  144x =   - 144x + 240 + 144x

148x - 10 = 240


Add 10 to both sides:

148x - 10 + 10 = 240 + 10

148x = 250

Divide both sides by 148

148x/148 = 250/148

x = 125/74


Answer:  x = 125/74 (Decimal: 1.689189)



Hope that helps!!!!




3 0
4 years ago
Volume by multiplying area of base times height
Paraphin [41]

Answer:v= x a h add then multiply

Step-by-step explanation:

5 0
3 years ago
Suppose that the function fis defined on the interval (-2,2) as follows. <br>​find f(-1) f(0.5) f(1)
frosja888 [35]

Answer:

Step-by-step explanation:

Hello,

-1 <= -1 < 0

so f(-1)=-1

0 <= 0.5 < 1

so f(0.5)=0

1 <= 1 < 2

so f(1)=1

Thank you.

8 0
3 years ago
What is the simplified form of the seventh root of x times the seventh root of x times the seventh root of x times the seventh r
lorasvet [3.4K]
X^(1/7)x^(1/7)x^(1/7)x^(1/7)

Well the rule for multiplying similar bases with exponents is:

(a^b)(a^c)(a^d)=a^(b+c+d), so in this case:

x^(1/7+1/7+1/7+1/7)

x^(4/7)

In words that is x raised to the 4/7 th power or the seventh root of x raised to the 4th power.
3 0
3 years ago
How many diagonals does a 12-sided convex polygon have? What is the general
mario62 [17]

Answer:

goodluck!

Step-by-step explanation:

well is 12 sided and has digonal so

8 0
3 years ago
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