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3 years ago

Write an algebraic expression for the word expression: The difference of c and 8

Mathematics

1 answer:

laiz [17]3 years ago

5 0

Answer:

Step-by-step explanation:

you will write c-8

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Emily has nickels and quarters. She has 3 fewer

lawyer [7]

Answer:

Step-by-step explanation:

she has 3 quarters

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3 years ago

Maria drove 258.6 miles in 4.5 hours. On average, how many miles per hour did she drive? Round the answer to the nearest tenth?

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Maria can drive about 57 miles per hour

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4 years ago

Read 2 more answers

What is the product of 379 and 8

Tanya [424]

The product of 379 and 8 is 3032, that other answer was wrong they answered with the sum (addition) not the product (multiplication)

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3 years ago

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Twice a number decreased by 16 is 64.

Artyom0805 [142]

You number is 40 40 x 2= 80- 16 =64 your welcome :)

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3 years ago

3+-√(-3)^2 - 4(5)(-1)

Alona [7]

Answer:

Step-by-step explanation:

Easy way to do this is step by step. Your quadratic, from your entry, must be

$5x^2-3x-1$ .

Step by step looks like this, one thing at a time:

$x=\frac{3+\sqrt{(-3)^2-4(5)(-1)} }{2(5)}$ becomes

$x=\frac{3+\sqrt{9-(-20)} }{10}$ becomes

$x=\frac{3+\sqrt{9+20} }{10}$

and this of course is

$x=\frac{3+\sqrt{29} }{10}$

Do the same with the subtraction sign to get the other solution.

If you're unsure of how to enter it into your calculator, do it step by step so you don't mess up the sign. If you enter it incorrectly, you could end up with an imaginary number when it should be real, or a real one that should be imaginary.

Just my advice as a high school math teacher.

3 0

3 years ago