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3 years ago

The equation Y-3 = -2(x+5) is written in point-slope form. What is the y-intercept of the line?

Mathematics

1 answer:

gladu [14]3 years ago

7 0

Answer:

B,-7

Step-by-step explanation:

convert the formualt into slope intercept form by adding the 3 and distributing the -2

then you will get y=-2x-7

in slope intercept the B slot is the y intercept, and in this equation it is -7

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3. Jose has $400 in his bank account at the beginning of the year. Each month, he deposits $45 into his account. He does not wit

liq [111]

T = 45m + 400

I hope this is correct it seems like the most logical explanation.

Happy Valentine’s day! I hope I helped and have a nice day! C: <3

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3 years ago

Read 2 more answers

Assume that the engine component of a spacecraft consists of two engines in parallel. If the main engine is 95% reliable, the ba

rodikova [14]

Answer:

a) 0.04

b) 0.19

c) 0.01

d) 0.8

Step-by-step explanation:

Hi,

Let's make our data, considering two rules of probability:

The total probability of any event is 1.
Percentages are converted to decimal.

P(M) = 0.95
P(M')=0.05
P(B)=0.80
P(B')=0.20

- where M → Main Engine works, B → Back Up Engine works, M' → Main Engine will not work and B' → Back Up Engine will not work.

Remember for cases with and, we multiply; for cases with or, we use addition.

a) For this part, we know that Main Engine will work and Back-up engine will not work:

P(M' and B): 0.05 x 0.80 = 0.04

b) Back up will not work and Main will work:

P(M and B') = 0.20 x 0.95 = 0.19

c) We know the probability of entire component working, which is 0.99.

So to find the probability of entire component failing, we need to subtract 0.99 from 1. (Since the total probability is always 1)

P(Entire component will fail) = 1 - 0.99 = 0.01

d) This is a typical case of conditional probability, to calculate a conditional probability we use the following formula: $P(A|B) = \frac{P(A\ and\ B)}{P(B)}$

Where, $P(A|B)$ means the probability of A, given B.

Simply using this, we calculate the $P(B|M')$ :

$P( B\ and\ M') = 0.04$ (as calculated in part a)

$P(M')=0.05$ (as calculated for the data)

Modifying the formula to our needs: $P(B|M') = \frac{P(B\ and\ M')}{P(M')}$

⇒ $P(B|M') = \frac{0.04}{0.05} = 0.80$ Ans.

I hope this answers all your queries.

8 0

3 years ago

Compare the subtraction problems (6 8 − 5 8 = 1 8 ) and (6 9 − 7 9 = −1 9 ). Why is the answer to the first problem positive and

Dmitrij [34]

Answer:

A D E

Step-by-step explanation:

A. In the second problem, the first fraction is less than the second fraction.

D. If you subtract a lesser number from a greater number, the answer is positive.

E. If you subtract a greater number from a lesser number, the answer is negative.

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3 years ago

Read 2 more answers

What is 17 divided by 25

BartSMP [9]

.68 because when you set up the problem you just set it up the regular way and put a decimal point and a 0 behind 17 and divide regularly and if its still not even then just add another zero and do the same thing and if its even, that's your answer

7 0

3 years ago

You roll a cube which has the numbers 9, 10, 12, 15, 17, and 18 on it You then spin a spinner which has 4 sections. The letters

Shtirlitz [24]

Answer:

Step-by-step explanation:

The fact that the numbers look random and the spinner also looks random doesn't matter. The only thing of importance in both cases is that all the numbers are different (and cannot be made by adding any two together) and all the letters are different

That means you have 6 numbers and 4 letters.

You have a 1/6 chance of throwing the 17

You have a 1/4 chance of spinning the F

P(F and 17) = 1/6 * 1/4 = 1/24

8 0

3 years ago