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Helen [10]
3 years ago
11

Please answer number 71

Mathematics
1 answer:
VLD [36.1K]3 years ago
4 0
A rotation on its axis of 180 degrees
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Y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?
Ksju [112]
In a proportional relationship, x and y will increase at the same rate. In order to find the value of x when y=4, we first have to find the ratio of x:y. We can do this by creating a fraction. After we know the ratio, simply replace the y value with 4 and solve for x. Here's the math:

y=15 when x=3       given values

y/x = 15/3 = 5          ratio of y to x

y=5x                        equation representing the proportional relationship 

4=5x                        replace y with 4

4/5=x                       divide both sides by 5 to isolate x

Answer: The value of x=4/5 when y=4.

Hope this helps!


6 0
3 years ago
What is the true solution to the equation below? ln e^lnx^2=2 ln 8?
arlik [135]
x\ \textgreater \ 0\\\\
\ln e^{\ln x}+\ln e^{\ln x^2}=2\ln 8\\
\ln x+\ln x^2=\ln 8^2\\
\ln (x\cdot x^2)=\ln 64\\
\ln x^3=\ln 64\\
x^3=64\\
x=4\Rightarrow \text {B}

6 0
2 years ago
Read 2 more answers
Sanji scored 125 points in the first round of a video game and 263 points in the second round. His total score after the third r
GaryK [48]
Sanji scored 44 points more in the third round than in the first round.
4 0
2 years ago
Someone who’s expert at algebra please helppp me I really need help solving all of these I don’t know how and it would mean a lo
saul85 [17]

Answer:

1.(5) (s) this indicates multiplication

2.(3) (m) (m)

3.(1/2) (a)

4.(g) (p)

5. (2) (x^2) (y^3)

6.(1/5) (x^2) (y)

7. 17 is the coefficient and 4 terms

8. 0 coefficient and 2 terms

9. 12 is the coefficient and 3 terms

10. 7 is the coefficient and 2 terms

11. 3 and 2 are coefficient and 1 terms

12. 15,11,-12, 20 are coefficient and 5 terms

6 0
2 years ago
Complete the steps to find the difference
zalisa [80]

Answer:

3x² - 9x + 5

Step-by-step explanation:

Given

(5x² - 3x + 4) - (2x² + 6x - 1)

Distribute the first parenthesis by 1 and the second by - 1

= 5x² - 3x + 4 - 2x² - 6x + 1 ← collect like terms

= (5x² - 2x²) + (- 3x - 6x) + (4 + 1)

= 3x² - 9x + 5

3 0
3 years ago
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