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coldgirl [10]
3 years ago
7

Mark shoots arrows at a target and hits the bull's-eye about 40% of the time. find the probability that he hits the bull's-eye o

n the fourth shot
Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0
The answer to this question would be: 40% or 0.4

In this question, you are asked the probability of hitting bull's eye on the fourth shot. This event is only one(only fourth, not all four shot) and should be independent to the first 3 shots. That mean, the chance should still 40% since every shot chance is 40%.
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3x – 2y = 7<br> y = x + 2<br><br> What the answer to this?
kogti [31]

Answer:

{x,y}={−3,−1}

Step-by-step explanation:

5 0
3 years ago
Find two consecutive even numbers whose sum is 758.
ra1l [238]

Answer:

378 and 380

Step-by-step explanation:

The two even consecutive numbers that add up to 758 are going to be very close to half of 758. This is because two half of 758 are going to be the most similar addends of 758. This is important because the answers will be consecutive and therefore, must also be very similar. To solve, first, divide 758 by 2. This is 379, which is not an even number. So, to find the needed addends subtract and add 1 to 379. Both of these will be even and consecutive. These two numbers are 378 and 380. Then, to check you, can add them and see that they do sum 758.

7 0
3 years ago
Read 2 more answers
Create a 3rd degree polynomial function with one zero at three. Sketch a graph
DedPeter [7]

Answer:

f(x) =  {x}^{3}  - 9 {x}^{2}  + 27x - 27

Step-by-step explanation:

We want to create a third degree polynomial function with one zero at three.

In other words, we want to find a polynomial function with roots x=3 , multiplicity, 3.

Since x=3 is a solution, x-3 is the only factor that repeats thrice.

f(x) =  {(x - 3)}^{3}

We expand to get:

f(x) =  x( {x}^{2}  - 6x  + 9) - 3( {x}^{2}  - 6x + 9)

f(x) =  {x}^{3}  - 6 {x}^{2}  + 9x- 3 {x}^{2}   + 18x  - 27

This simplifies to:

f(x) =  {x}^{3}  - 9 {x}^{2}  + 27x - 27

See attachment for graph.

4 0
3 years ago
What is a straight line touching a circle at one point called?
NNADVOKAT [17]

Answer:

A tangent.

Step-by-step explanation:

8 0
3 years ago
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Will mark brainliest, please answer:)
BartSMP [9]

Answer:

√135

Step-by-step explanation:

3^2+b^2=12^2

9+b^2=144

9-9+b^2=144-9

b^2=135

√135=b

3 0
3 years ago
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