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3 years ago

Select the correct answer.

Mathematics

2 answers:

PtichkaEL [24]3 years ago

8 0

Answer:

there is no way to answer this question. please provide more information.

iris [78.8K]3 years ago

4 0

Answer:Select the correct answer.

Which graph correctly represents the solution of this system of equations?

y=1/2x^2+2x-6

Step-by-step explanation: i think its d

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Veseljchak [2.6K]

Answer:parameter

Step-by-step explanation:

4 0

3 years ago

Help me please 13 more questions!!!

Ket [755]

Answer:

The train travels 0.25 miles per gallon, the slope is 200/50 or 4/1

Step-by-step explanation:

We get this answer by dividing 50 miles by 200 gallons, allowing us to receive the ratio of 0.25 miles per gallon.

The slope is a representation of that ratio, as concluded from the graph

Hope this helps!

5 0

3 years ago

For all real numbers a and b, 2a • b = a2 + b2. True or False ? Explain.

vekshin1

False. You can pick any two numbers, but not the same number, to show its false. try it

8 0

2 years ago

Read 2 more answers

A factory received a shipment of 11 hammers, and the vendor who sold the items knows there are 2 hammers in the shipment that ar

zhenek [66]

Question:

If a sample of 2 hammer is selected

(a) find the probability that all in the sample are defective.

(b) find the probability that none in the sample are defective.

Answer:

a $Pr = \frac{2}{110}$

b $Pr = \frac{72}{110}$

Step-by-step explanation:

Given

$n = 11$ --- hammers

$r = 2$ --- selection

This will be treated as selection without replacement. So, 1 will be subtracted from subsequent probabilities

Solving (a): Probability that both selection are defective.

For two selections, the probability that all are defective is:

$Pr = P(D) * P(D)$

$Pr = \frac{2}{11} * \frac{2-1}{11-1}$

$Pr = \frac{2}{11} * \frac{1}{10}$

$Pr = \frac{2}{110}$

Solving (b): Probability that none are defective.

The probability that a selection is not defective is:

$P(D') = \frac{9}{11}$

For two selections, the probability that all are not defective is:

$Pr = P(D') * P(D')$

$Pr = \frac{9}{11} * \frac{9-1}{11-1}$

$Pr = \frac{9}{11} * \frac{8}{10}$

$Pr = \frac{72}{110}$

8 0

2 years ago

Solve for F ------- 2/3 + f = 1/5 A= 13/15 B= 7/15 C= - !3/15 D= - 7/15

nikdorinn [45]

$\\ \sf\longmapsto \dfrac{2}{3}+f=\dfrac{1}{5}$

$\\ \sf\longmapsto f=\dfrac{1}{5}-\dfrac{2}{3}$

$\\ \sf\longmapsto f=\dfrac{3-10}{15}$

$\\ \sf\longmapsto f=\dfrac{-7}{15}$

8 0

2 years ago

Read 2 more answers