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3 years ago

-7•(-9) need help on this one with full work including

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

6 0

Answer:

-7×-9

=63

Step-by-step explanation:

If u multiple - with -, I'll get + sign

galina1969 [7]3 years ago

5 0

Answer:

Step-by-step explanation:

-7*(-9)

7*9

Best of Luck!

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6(y + 8) = I need help please :)

Allushta [10]

Answer:

6y + 48

Step-by-step explanation:

Use distributive property 6 x y = 6y

(keep the plus sign btw)

6 x 8 = 48

then place it in order: 6y + 48 is your algebra expression

6 0

2 years ago

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Brandi started training with the track team five weeks ago. during the first week, she ran 0.5 miles at each practice. the next

Andrej [43]

She would be running 2 miles

4 0

1 year ago

HELP ME PLEASEEEEEEE

Tcecarenko [31]

Step-by-step explanation:

You must first add 20 to all inqualies, leaving u with 0 is greater than or equal to 2x which is also greater than or equal to 40.

Divde everything by 2 to get rid of the 2 from the x

0 divided by 2 is 0, 2x divded by 2 is x, 40 divided by 2 is 20.

Thats the answers

7 0

2 years ago

480 divided by 8 long division

Elis [28]

60 is the answer I just can't do long division on here

6 0

3 years ago

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Simplify the expression by arranging the steps in sequence, based on the order of operations.

lubasha [3.4K]

Answer:

$\displaystyle 6x - 5$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{1}{6}(30x + 24) - \frac{1}{7}(63 - 7x)$

Step 2: Simplify

Distribute: $\displaystyle \frac{1}{6}(30x) + \frac{1}{6}(24) - \frac{1}{7}(63) - \frac{1}{7}(-7x)$
Multiply: $\displaystyle 5x + 4 - 9 + x$
Rearrange: $\displaystyle 5x + x + 4 - 9$
Combine like terms: $\displaystyle 6x - 5$

8 0

2 years ago