MATHEMATICS MIDDLE SCHOOL

How to solve -5a=10

Answers

Answer 1
Answer:

Answer:

-5a=10

a=10/-5

a=-2

Step-by-step explanation:

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Josh buys cucumbers that cost $0.62 per pound.He pays $2.79 for the cucumbers.Part A
Josh estimates he bought 5 pounds of cucumbers.Is Josh's estimate reasonable? Explain.
Part B
How many pounds of cucumbers did Josh actually buy? Show your work.

Answers

Please refer to the other post you saw.

Josh's estimate IS reasonable because when you have a number 5 or above after the decimal, you round up. Although it's reasonable to round up to 5 pounds, the actual amount is 4.5 pounds, or four and a half.

30 POINTS The graph shows how many inches above the ground, y, the valve on a rotating tire is for a given number of seconds x.

How many degrees is the tire turning every second?

Enter your answer in the box.

Answers

Answer:

180 degrees per second.

Step-by-step explanation:

We have been given a graph that shows the distance covered by a tire or angular velocity of a tire with respect to the number of seconds (x).

Since we know that a tire is a circle and the measure of all the angles of a circle equals to 360 degrees.

We can see from our given graph that the tire completes one rotation in 2 seconds (2.5-0.5), so the distance covered by tire in two seconds will be 360 degrees. This means that the tire turns 360 degrees in each 2 seconds.

\text{Degrees turned by tire in 2 seconds}=\frac{360^o}{2\text{ seconds}}

As we are asked to find the degree change by tire per second so we will find the unit rate such that we will have 1 in our denominator. By dividing our numerator and denominator by 2 we will get,

\text{Degrees turned by tire in every second}=\frac{180^o}{\text{ second}}

Therefore, the tire is turning 180 degrees per second.

It takes 2 seconds for the tire to make a full revolution. This is evident from the plot - the curve has a period of length 2.

A full revolution of the tire is a turn of 360 degrees.

So the tire turns at a rate of (360 degrees)/(2 seconds) = 180 degrees/second.

deshawn deposited $6500 into a bank account that earned 11.5percent simple interest each year . he earned $4485 in interest befour closing the account. if no money was deposited into or withdrawn from the account, for how many years was the money in the account round the answer to the nearest whole year

Answers

Interest equation,,, I=prt,,4485=6500*0.115 t...can you solve for t??

Please help fast! I'll mark brainliest rate 5 and thank if you get it right/answer FAST Georgia has at most $100 to spend at the outlet mall. She wants to buy a swimsuit for $60 and spend the rest on earrings. Each pair of earrings cost $10.75.
Which inequality can be used to determine the maximum number of pairs of earrings Georgia can buy?
A. 60 – 10.75x≤ 100
B. 60 + 10.75x≤ 100
C. 60 – 10.75x≥ 100
D. 60 + 10.75x≥ 100

Answers

total cost is less than or equal to 100 sice cant spend more than have
cost<100
cost=swim+earings
costearings=xearints imes 10.75
swim=60

60+10.75x<100


B

Answer:

B

Step-by-step explanation:

A penny is 0.061 thick .what is the value of the 6 in the thickness of a penny

Answers

the answer is one hundredth because to the right of the decimal place is the tenths which would equal one tenth so the next place is the hundredths place whisc would equal one hundredth.

What is 0.03703703703 as a fraction

Answers

n=0.\dot { 0 } 3\dot { 7 } \n \n 1000n=37.\dot { 0 } 3\dot { 7 } \n \n 1000n-n=37

\n \n 999n=37\n \n n=\frac { 37 }{ 999 } \n \n n=\frac { 37 }{ 37 } \cdot \frac { 1 }{ 27 } \n \n \therefore \quad n=\frac { 1 }{ 27 }
x=0.\overline{037}\n1000x=37.\overline{037}\n1000x-x=37.\overline{037}-0.\overline{037}\n999x=37\nx=(37)/(999)=(1)/(27)
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