Help me with this please I don't exactly get it
help me with this please I don't exactly get it - 1

Answers

Answer 1
Answer:

Answer:

P = 40.56 in (ANS)

Step-by-step explanation:

radius = 8/2 = 4 in

semi-circle perimeter = pi * R = 3.14 * 4 = 12.56 in

figure perimeter = 12.56 + 10 + 8 + 10 = 40.56 in (ANS)


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A gym membership cost $19 each month. If Miss Lacey joins the gym for one year, will she pay more or less than $190? Explain your answer

Answers

Miss Lacey will have to pay more than $190 for the gym membership.

What is multiplication?

A product is the result of the multiplication, an expression that identifies factors to be multiplied.

How to  calculate gym membership fees?

Miss Lacey is paying $19 p.m for the gym membership fees. So she will have to pay for one year =19*12 because there are 12 months in a year.

=218

which is greater than $218.

Hence Miss Lacey will have to pay more than $190 for the gym membership fees.

Learn more about multiplication at brainly.com/question/10873737

#SPJ2

Answer: more then 190

Step-by-step explanation:

if you multiply $19 by 12 (12 months in a year) you get $228

Help is needed
-15/20 in lowest terms

Answers

Hi,

-15/20

find the GCF of both numbers:

15: 1,3,5,15
20: 1,2,4,5,10,20

The GCF is 5.

Divide the numerator and denomiator by 5-
-15/5 = 3
-20/5 = 4

answer is -3/4

makes sense?

2/3x - 2 = 7 solve the equation

Answers

Isolate the x.

Do the opposite of PEMDAS. Note the equal sign. What you do to one side, you do to the other.

2/3x - 2 = 7

Add 2 to both sides

2/3x - 2 (+2) = 7 (+2)

2/3x = 9

Multiply 3/2 to both sides to isolate the x

2/3x(3/2) = 9(3/2)

x = 9(3/2)

Multiply 9 with 3, and divide by 2

9 x 3 = 27
27/2 = 13.5

x = 13.5 is your answer

hope this helps

Samir is an expert marksman. When he takes aim at a particular target on the shooting range, there is a 0.950.950, point, 95 probability that he will hit it. One day, Samir decides to attempt to hit 101010 such targets in a row.

Answers

The question is incomplete. Here is the complete question:

Samir is an expert marksman. When he takes aim at a particular target on the shooting range, there is a 0.95 probability that he will hit it. One day, Samir decides to attempt to hit  10 such targets in a row.

Assuming that Samir is equally likely to hit each of the 10 targets, what is the probability that he will miss at least one of them?

Answer:

40.13%

Step-by-step explanation:

Let 'A' be the event of not missing a target in 10 attempts.

Therefore, the complement of event 'A' is \overline A=\textrm{Missing a target at least once}

Now, Samir is equally likely to hit each of the 10 targets. Therefore, probability of hitting each target each time is same and equal to 0.95.

Now, P(A)=0.95^(10)=0.5987

We know that the sum of probability of an event and its complement is 1.

So, P(A)+P(\overline A)=1\n\nP(\overline A)=1-P(A)\n\nP(\overline A)=1-0.5987\n\nP(\overline A)=0.4013=40.13\%

Therefore, the probability of missing a target at least once in 10 attempts is 40.13%.

Answer:

.401

Step-by-step explanation:

However if it states to round to the nearest tenth then its .4

Find slope of the line and the y-intercept of each.y=3×+4

y=-2x+8

y=1/2x

y=-3/4x-1

y=x+5

please show work step by step for each.

Answers

1. 3

2. 2

3. 1/2

4. 3/4

5. 1

The answer to the questions for each slope.

1. The equations in this example are already set equal to "y". Identify the slope and y-intercept in each equation. Remember: y = mx + b, where m = slope and b = y-intercept.

y = 2x + 1

slope = 2

y-intercept = 1

y = -x + 7

slope = -1

y-intercept = 7

2. Graph the lines.

This example used the slope-intercept method of graphing straight lines.

The b-value tells you where the line crosses the y-axis.

The slope, m, tells you the rise over the run.

If you need help graphing lines, see Graphing Linear Equations.

Find the intersection point (where the lines cross).

These lines cross at the point (2,5).

This means the solution to this system is:

Solution: x = 2 and y = 5.

graph1

3. CHECK: Substitute x = 2 and y = 5 into BOTH of the original equations. If your solutions are correct, both equations will be true!

y = 2x + 1

5 = 2(2) + 1

5 = 5 (check)

y = -x + 7  

5 = -(2) + 7

5 = 5 (check)

The sum of two numbers is 13 and there difference is 5 what are the 2 numbers?

Answers

x + y = 13
x - y = 5

x = (13 - y)

(13-y) - y = 5

13 - 2y = 5
-2y = -8
y = 4

x - 4 = 5
x = 9

x=9, y = 4
x+y=13
x-y=5
we can addd these 2 equations to eliminate y

2x+0y=18
2x=18
divide both sides by 2
x=9

sub back
x+y=13
9+y=13
minus 9 both sides
y=4

the 2 numbers are 9 and 4