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frutty [35]
3 years ago
5

A paving company was hired to make a 4 mile section of the highway. They need 700 tons of concrete to complete the job. How many

pounds of concrete will they need to repave the highway?
Mathematics
1 answer:
Arlecino [84]3 years ago
5 0

Answer:

they will need 1,400,000

Step-by-step explanation:

1 ton is 2,000 pounds. so 700x 2,000=1,400,000

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Average national teachers salaries can be modeled using the equation y=9.25(1.06)^n , where y is the salary in thousands of doll
kiruha [24]
y=9.25(1.06)^{n}
Plug in n to find y.
n would be 50 because 2020-1970=50.

Use order of operations to solve.
y=9.25(1.06)^{50} \\ y=9.25(18.42) \\ y=170.39

Since y is the salary in thousands, multiply 170.39 by 1000.
170.39*1000=17039

A teacher can expect to have about $17,039 as a salary in the year 2020.
6 0
3 years ago
7. A clothing trunk measures 2.5 feet wide by 1.5 feet
luda_lava [24]

Answer:

15ft

Step-by-step explanation:

3 0
2 years ago
Bob earns $2900 per month. 15% of his salary is deducted for his car loan. Which operation do I use?
spayn [35]

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Bob earns $2900 per month. 15% of his salary is deducted for his car loan.

F<u>irst, we need to calculate the deduction for the car:</u>

Deduction= 2,900*0.15

Deduction= $435

<u>Now, the monthly salary that remains for Bob:</u>

Montlhy salary= 2,900 - 435

Monthly salary= $2,465

6 0
2 years ago
Which of the following best describes the graph of this system of equations ? y=-2x+3 and 5y=-10x +15
ELEN [110]

Remark

When talking about straight lines, D is never true. Never.

C is possible, but in this case not true. Read on.

B. Might be true but in this case it is not. The lines (to be parallel) have to have the same number in front of the x. These two lines do when you divide through by 5. But the y intercept has to be different. That is not so in this case. So B is incorrect.

A is your answer. If you divide through by 5 on the second one, you get the first one. They are identical.

6 0
3 years ago
Use a z-Table to determine the percent of data specified.
kobusy [5.1K]
I think c I might be wrong tho :)
4 0
3 years ago
Read 2 more answers
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