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Grace [21]
3 years ago
8

How do you do 4x^2+3x-10=0

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
4x^2+3x-10=0\\
4x^2+8x-5x-10=0\\
4x(x+2)-5(x+2)=0\\
(4x-5)(x+2)=0\\
x=\dfrac{5}{4} \vee x=-2

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Han recorded the number of pages that he read each day for five days. the dot plot shows his data. pages the mean, or average, f
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If the mean of the data set is 32.6. Then the number of pages he read in 5 days is 163.

<h3>What is Mean?</h3>

Mean is simply defined as the average of the given set of numbers. The mean is considered as one of the measures of central tendencies in statistics. The mean is said to be an arithmetic mean. It is the ratio of the sum of the observation to the total number of observations.

Han recorded the number of pages that he read each day for five days.

If the mean of the data set is 32.6 pages. Then the total number of the pages he read till now, will be

Let the total number of the pages be x. Then we have

\rm \dfrac{x}{5} = 32.6\\\\x  \ = 5 \times 32.6 \\\\x  \ = 163

More about the mean link is given below.

brainly.com/question/521501

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2 years ago
At store A, rulers are sold individually. The cost y of x rulers is represented by the equation y = 0.95x. The costs of rulers a
makkiz [27]

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The ruler at store A cost more

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6 0
3 years ago
Ms. Potts washed 1/4 of her laundry. Her son washed 3/7 of it. Who washed most of the laundry? How much of the laundry still nee
LenaWriter [7]

Answer:

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Step-by-step explanation:

<u>Make denominators common to see the difference in fractions:</u>

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Son washed more laundry as 12/28 > 7/28

<u>Together they washed:</u>

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<u>Remaining part is:</u>

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3 years ago
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Answer:

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Answer:

8 cubes are painted on 3 sides

24 cubes are painted on 2 sides

22 cubes are painted on 1 sides

6 cubes are painted on 0 side

E = 3 * 8/60 + 2 * 24/60 + 1 * 22/60 + 0 * 6/60 = 47/30 = 1.567

4 0
3 years ago
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