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3 years ago

7

The ratio of empty seats to full seats in the auditorium is 3 to 7 if there are 203 seats for find the total number of empty sea

ts

1 answer:

Blizzard [7]3 years ago

7 0

Answer:87 seats are empty

Step-by-step explanation:

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Evaluate the expression when b=4/5 and c=-3/8<br><br> 2c-b

timurjin [86]

Answer:

-1/20

Step-by-step explanation:

2(3/8) - 4/5

6/8 - 4/5

30/40 - 32/40

-2/40

-1/20

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3 years ago

Solve the following equation. Then place the correct number in the box provided.

solong [7]

X should be 7 after doing all the calculation.

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3 years ago

Mandy emptied the bags and put the candy into equal groups.How many candies were in each group?

alexira [117]

Answer:

25

Step-by-step explanation:

40+76+84 = 200.

200 ÷ 8 = 25

Answer: 25.

3 0

3 years ago

If one root is the square of the other in the equation 8+mx+27x²=0,find the value of m

aleksklad [387]

Answer:

The value of $m$ is -30.

Step-by-step explanation:

Let $27\cdot x^{2}+m\cdot x +8 = 0$ , we notice that expression is a second order polynomials. We can rearrange the polynomial and use factorization to calculate all roots:

$x^{2}+\frac{m}{27}\cdot x + \frac{8}{27} = 0$ (1)

$-x^{2}-x = \frac{m}{27}$ (2)

$x^{3} = \frac{8}{27}$ (3)

From (3) we find the least root:

$x = \sqrt [3]{\frac{8}{27}}$

$x = \frac{2}{3}$

By (2) we have the value of $m$ :

$m = -27\cdot (x^{2}+x)$

$m = -30$

3 0

3 years ago

What number divided by 5 equals 7

Verizon [17]

35 . because 5 times 7 equal 35 so 35 divide by 7 equal 35

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3 years ago