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olasank [31]
2 years ago
13

Solve for x: 7x-3/5x-2 = -2​

Mathematics
1 answer:
VMariaS [17]2 years ago
4 0

Step-by-step explanation:

<h3>★ Solution:-</h3>

\sf \leadsto \dfrac{7x - 3}{5x - 2} = -2

\sf \leadsto 7x - 3 = -2(5x - 2)

\sf \leadsto 7x - 3 = -10x + 4

\sf \leadsto 7x + 10x = 4 + 3

\sf \leadsto 17x = 7

\sf \leadsto x = \dfrac{7}{17}

Hence the value of x is 7/17

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According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 5x3 – 7x + 11?
iogann1982 [59]

ANSWER

\pm1,\pm11,\pm \frac{1}{5} \pm \frac{11}{5}

EXPLANATION

The given function is;

f(x) = 5 {x}^{2}  - 7x + 11

The constant term is 11.

The coefficient of the leading term is 5.

The factors of 11 are ±1,±11

The factors of 5 are ±1,±5

According to the Rational roots Theorem,

the potential roots are obtained by expressing the factors of the constant term over the coefficient of the leading term.

\pm1,\pm11,\pm \frac{1}{5} \pm \frac{11}{5}

4 0
3 years ago
A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel
kow [346]

Answer:

5P5×20P15

Step-by-step explanation:

A school bus has 25 seats, with 5 rows of 5 seats.

15 students from the first grade and 5 students from the second grade travel in the bus.

second-grade students occupy the first row.

The 5 students of second grade are to be seated in 5 seats,this can be done in:

5P5 ways where P is the permutation

Now 15 students from first grade are to be arranged in remaining 20 seats

This can be done in:

20P15 ways

Hence, total ways student can be seated is:

5P5×20P15

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3 years ago
Find the value of x
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Answer:

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8 0
3 years ago
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Jasmine bought 3500g of flour. She used 3/7 of it to bake some tarts and 700g of it to bake a cake. Find the ratio of the amount
Serggg [28]

Answer: 15:13

Step-by-step explanation: 7/7=3500

<h2>1/7=3500÷7=500</h2><h2>500x3=1500</h2><h2>1500+700=2200</h2><h2>3500-2200=1300</h2><h2>1500:1300</h2><h2>15     :   13 (if there is a need to simplify the                         ratio)</h2><h2 />

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3 years ago
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Answer:

2nd option

Step-by-step explanation:

Graph both equations and find the point where they both intersect. In this case, it's (4,2).

3 0
2 years ago
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