MATHEMATICS HIGH SCHOOL

Please help by Solving -5y-9=(y-3)

Answers

Answer 1
Answer:

Answer:

-5y-9=(y-3)

-5y-9=y-3

-5y-y=-3+9

-6y=6

y=-1

Step-by-step explanation:
Answer 2
Answer:

Answer:

6

Step-by-step explanation:

-5y-9=(y-3)

-5y-y=9-3

4y=6

y=6/4

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Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface area of a sphere: (S=4πr^2) to find the radius of the pinata. Round your answers to the nearest hundredth.

Answers

S=4\pi r^2\ \ \ and\ \ \ S=40\ [feet]\ \ \ \Rightarrow\ \ \ 4\pi r^2=40\ /:4\pi\n \nr^2= (10)/(\pi) \ \ \ \Rightarrow\ \ \ r= \sqrt{ (10)/(\pi)} \ \ \ \Rightarrow\ \ \ \ r\approx1.78\ [feet]

What is the square root of 325

Answers

√(325)=√(25\cdot13)=√(25)\cdot√(13)=5√(13)\approx18.03
√(325)=5√(13)\approx18

Simplify (3(3n-10) - 2n + 5). The solution for (n) is: a) 2n - 25 b) 5n - 35 c) 7n - 25 d) 7n - 25

Answers

Answer:

7n - 25

Step-by-step explanation:

given

3(3n - 10) - 2n + 5 ← distribute the parenthesis by 3

= 9n - 30 - 2n + 5 ← collect like terms

= (9n - 2n) + (- 30 + 5)

= 7n + (- 25)

= 7n - 25

Brad can make 4 key chains in an hour. Velma can make only 3 key chains in an hour, but she already has 6 completed key chains. How can Brad use a system of equations to determine when he will have the same number of key chains as Velma?

Answers

Let us assume that the time after which Brad will have the same number of key chains as Velma = x hours
We already know that
Number of key chains Brad can make in an hour = 4
Number of key chains that Velma can make in an hour = 3
So after x hours,
Number of key chains that Brad can make = 4x
Number of key chains that Velma can make = 3x
Number of key chains that Velma already has = 6
Then the equation will be
3x + 6 = 4x
4x - 3x = 6
x = 6
So, from the above deduction, we can conclude that after 6 hours Brad will have the same number of key chains as Velma.

Tomika plans to run 84miles in 4weeks.If she continues the pattern how many miles will she run in a year

Answers

Answer:

She will run a distance of 1095.78 miles per year.

Explanation:

 Number of days in a year = 365.25

 Number of days in a week = 7

 Number of weeks in a year = 365.25/7 = 52.18 weeks.

 Tomika plans to run 84 miles in 4 weeks.

 Distance run by Tomika in 1 week = 84/4 = 21 miles.

 Distance run by Tomika in 1 year = 21*52.18 = 1095.78 miles

 So she will run a distance of 1095.78 miles per year.

If Tomika continues the pattern, she will run approximately 1,092 miles in a year.

How to get the miles ran

There are 52 weeks in a year, so you can divide 52 by 4 to find out how many 4-week periods there are in a year:

Number of 4-week periods in a year = 52 weeks / 4 weeks/period = 13 periods

Now, multiply the miles she runs in each 4-week period (84 miles) by the number of 4-week periods in a year (13 periods):

Total miles in a year = 84 miles/period × 13 periods

Total miles in a year = 1,092 miles

So, if Tomika continues the pattern, she will run approximately 1,092 miles in a year.

Read more on pattern here  brainly.com/question/28580633

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A basketball player’s free throw percentage is 70%. She has just been awarded 3 free throws after getting fouled on a 3-point shot. Which table shows the correct probability distribution for the possible numbers of free throws made?

Answers

Um u dont even have the tables up there for me to choose from so ... i cant answer it
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