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3 years ago

Solve the multiplication problem. (-5/8)*(2/3)

Mathematics

2 answers:

Novay_Z [31]3 years ago

8 0

Fraction: -5/12 Decimal= -0.416

Alenkinab [10]3 years ago

4 0

I think the answer is -5/12

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Divide using synthetic division (x^3+5x^2-x-5) divide (x+5)

Kamila [148]

Answer:

Quotient = x^ -1 and the remainder: 0

Step-by-step explanation:

Constant to the left with the opposite sign and coefficients to the right:

-5 | 1 5 -1 -5

Make an horizontal line

Bring down the first coefficient (1) under the line.

Multiply the constant -5 times 1=-5 and add -5 to 5 = 0

Keep doing the same with the coefficients.

8 0

3 years ago

In 2017, the entire fleet of light‑duty vehicles sold in the United States by each manufacturer must emit an average of no more

pogonyaev

Answer:

0.6915

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 88, \sigma = 4[/ex]What is the probability that a single car of this model emits more than 86 mg/mi of NOX + NMOG?This is 1 subtracted by the pvalue of Z when X = 86. So[tex]Z = \frac{X - \mu}{\sigma}$

$Z = \frac{86 - 88}{4}$

$Z = -0.5$

$Z = -0.5$ has a pvalue of 0.3085

1 - 0.3085 = 0.6915

The answer is 0.6915

5 0

3 years ago

One rabbit saw six elephants while going to the river. Every elephant saw 2 monkeys going towards the river. Every monkey holds

rodikova [14]

5 animals are going towards the river .

<u>Step-by-step explanation:</u>

Here we have , One rabbit saw six elephants while going to the river. Every elephant saw 2 monkeys going towards the river. Every monkey holds one parrot in their hand.We need to find How many animals are going towards the river . Let's find out:

1 rabbit saw 6 elephants while going to the river. i.e. rabbit is only going towards river !

Every elephant saw 2 monkeys going towards the river. From the sentence , each of the 6 elephants saw 2 monkeys going towards the river, hence will be 6 x 2 = 12 monkeys going towards the river.

But, the statement does not explicitly say that “Every elephant saw 2 DIFFERENT monkeys…”, therefore implicit rules apply and infer that the 2 monkeys are the same. So , every elephant saw 2 monkeys!