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geniusboy [140]
3 years ago
6

Find the y-intercept of the equation. y=-3•7^x​

Mathematics
2 answers:
Lorico [155]3 years ago
7 0

Answer:

The y intercept is (0,-3)

12345 [234]3 years ago
5 0

Answer:

- 3

Step-by-step explanation:

To find the y- intercept set x equal to zero, that is

y = - 3 × 7^{0} = - 3 × 1 = - 3 ← y- intercept

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2a=9b<br><br> Use the equality to find ratios of a:b
nevsk [136]

Answer:

3:6, 18:4 keep exploring man!

Step-by-step explanation:

think of numbers to make them both true like ex 3 for a and 6 for b so in this case you could do 3:6

7 0
2 years ago
What is the value of the expression shown below? Plssssss helppppp
Mandarinka [93]
I think it’s 8 but unsure
8 0
2 years ago
Approximately 5% of calculators coming out of the production lines have a defect. Fifty calculators are randomly selected from t
baherus [9]

Answer:

0.2611 = 26.11% probability that exactly 2 calculators are defective.

Step-by-step explanation:

For each calculator, there are only two possible outcomes. Either it is defective, or it is not. The probability of a calculator being defective is independent of any other calculator, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

5% of calculators coming out of the production lines have a defect.

This means that p = 0.05

Fifty calculators are randomly selected from the production line and tested for defects.

This means that n = 50

What is the probability that exactly 2 calculators are defective?

This is P(X = 2). So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{50,2}.(0.05)^{2}.(0.95)^{48} = 0.2611

0.2611 = 26.11% probability that exactly 2 calculators are defective.

3 0
2 years ago
Figure ABCD is a parallelogram.
Natalka [10]

Answer:

A:   ∠B = 55°; ∠D = 55°

Step-by-step explanation:

On Edg. 2021

5 0
3 years ago
Read 2 more answers
Simplify the expressions and find the answer.
cupoosta [38]
3- 5/9= 2.45 
3- 23/9= .45

2.45/.45= 5.44

5.44^3/2= 81
6 0
3 years ago
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