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stiv31 [10]
2 years ago
15

Question 19 of 25

Mathematics
1 answer:
asambeis [7]2 years ago
4 0
It is going to b (4.12)
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The bag contained only red marbles and white marbles. If the ratio of red marbles to white marbles was 5 to 4, what fraction of
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4/9 of the marbles are white.

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In 1975, the population of Hobart was 217135. In 1985 the population was 231135. What was the population increase from 1975 1985
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14000

Step-by-step explanation:

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If Jasper installs a floor himself, it will take him 7 hours. Working with Yolanda, it will take them 3 hours.
Svetllana [295]

Answer: 5\frac{1}{4} hrs

<u>Explanation:</u>

Jasper: \frac{1}{7} per hr

Yolanda: \frac{1}{x} per hr

Together: \frac{1}{3} per hr

Jasper + Yolanda = Together

\frac{1}{7} + \frac{1}{x} = \frac{1}{3}

(21x)\frac{1}{7} + (21x)\frac{1}{x} = (21x)\frac{1}{3}

3x + 21 = 7x

        21 = 4x

        \frac{21}{4} = x

         5\frac{1}{4}

                                                                                               

7 0
3 years ago
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PRE-CALC<br><br>Determine when 2x^3 + 3x^2 – 17x - 30 &lt; 0 using a sign chart.​
Oksi-84 [34.3K]

Step-by-step explanation:

Use the Rational Zero Theorem to list all possible rational zeros of the function.

Use synthetic division to evaluate a given possible zero by synthetically dividing the candidate into the polynomial. ...

Repeat step two using the quotient found with synthetic division. ...

Find the zeros of the quadratic function.

3 0
3 years ago
Tony leaves his house and rides his bike due north at 12 mph. At the same time, Jake leaves the same house and rides due west at
ElenaW [278]
Tony is 24 miles from the house.
Jake is 10 miles from the house.
They are 26 miles apart.
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3 years ago
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