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Aliun [14]
3 years ago
10

Can u help me on this... I will mark u as brilliant students.. plz ​

Mathematics
1 answer:
Colt1911 [192]3 years ago
8 0

Answer:

For number 5 . a= 3 and b = -1

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If my car averages 27 miles to the gallon, how many miles can I drive on3/4 tank of gas
AURORKA [14]

Answer:

20.25 miles

Step-by-step explanation:

If your car travels 27 miles on a full tank of gas, then your car will travel 27\cdot\frac{3}{4} miles on \frac{3}{4} tank of gas.

27 \cdot 0.75 = 20.25

I hope this helped!

7 0
3 years ago
Which value of x makes the equation true?
Westkost [7]

Answer:

B. -9

Step-by-step explanation:

PLATO correct

5 0
3 years ago
Two studies were completed in Georgia. One study in northern Georgia involved 3,000 patients; 84% of them experienced flulike sy
Alexeev081 [22]

Answer:

The northern Georgia study with a margin of error of 1.7%.

All else being equal, the study with the larger sample size has the smaller margin of error. So the result makes sense (as 0.84 is pretty close to 0.75)

Step-by-step explanation:

The best and most correct answer among the choices provided by the question is the third choice "The northern Georgia study with a margin of error of 1.7%."

All else being equal, the study with the larger sample size has the smaller margin of error. So the result makes sense (as 0.84 is pretty close to 0.75)

4 0
3 years ago
Last year, Maria had $10,000 to invest. She invested some of it in an account that paid 6% simple interest per year, and she inv
denis-greek [22]

Answer:

$3,000 invested at 6%

$7,000 invested at 10%

Step-by-step explanation:

Maria had total $10,000 to invest.

Let x be the amount that Maria invested initially at 6% interest rate.

0.06x

Then she invested the remaining amount at 10% interest rate.

0.10(10,000 - x)

She received a total of $880 in interest.

0.06x + 0.10(10,000 - x) = 880

0.06x + 1000 - 0.10x = 880

-0.04x = 880 - 1000

-0.04x = -120

0.04x = 120

x = 120/0.04

x = $3,000

This is the amount that Maria invested initially at 6% interest rate.

The remaining amount is

10,000 - 3,000

$7,000

This is the remaining amount that she invested at 10% interest rate.

3 0
3 years ago
Can someone pls help
sweet-ann [11.9K]

z = 13/9?? i don't really know hope i helped

4 0
3 years ago
Read 2 more answers
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