3 years ago

Use the numbers 2,3,5, and 8 to write an expression that has a value of -1

Mathematics

1 answer:

MatroZZZ [7]3 years ago

4 0

(5 x 3) - (8 x 2) = -1

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Which expression is equivalent to 6 – (–8)? –6 + 8 –6 + –8 6 + –8 6 + 8

Jet001 [13]

I think that the answer would be 6+-8 because it equals -2 and 6-(-8)= -2

8 0

3 years ago

The sum of two numbers is 80 If four times the smaller number is subtracted from the larger number, the result is 10. Find the t

timama [110]

This can be solved using a system of equations.
$\left \{ {{x+y=80} \atop {x-4y=10} \right. 
$
Subtract y from both sides.
$x=80-y$
Substitute:
$80-y-4y=80-5y=10$
Subtract 80 from both sides:
$5y=70$
Divide both sides by 5:
$y= \frac{70}{5} =14$
Substitute.
$x=80-14=66$

3 0

3 years ago

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Solve for x. (1/3) over 3 =x over 8

Ugo [173]

8/3=3x (cross multiplied to get this)

X=8/9 (divided both sides by 3)

Hope this helps :)

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3 years ago

Read 2 more answers

7. Which set of ordered pairs represents a function?