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3 years ago

2 + 3(3a + a) What is this simplified?

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

6 0

Answer:

2+12a

Step-by-step explanation:

best of luck!

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CAN SOMEBODY PLEASE HELP ME

Phantasy [73]

Answer:

x and y are both equal to 57.5°

Step-by-step explanation:

180° - 65° = 115°

115 ÷ 2 = 57.5

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3 years ago

How do you rate this app on a computer ?

MrRissso [65]

Step-by-step explanation:

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3 years ago

What is the total length of fences measuring 15/16 mile, 7/8 mile, and 7/16 mile

Hitman42 [59]

Make bottom number the same

it is 16

7/8 times 2/2=14/16

15/16+14/16+8/16=(15+14+8)/16=37/16=32/16+5/16=2+5/16=2 and 5/16 miles

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3 years ago

What is the slope of the line?

suter [353]

Answer:

$m=-3$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (2, 3)

Point (3, 0)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m.

Substitute [SF]: $m=\frac{0-3}{3-2}$
Subtract: $m=\frac{-3}{1}$
Divide: $m=-3$

3 0

3 years ago

Factor completely.

riadik2000 [5.3K]

25a⁴ - 10a²z² - 8z⁴ multiply 25*-8 = -200 to find factors (10*-20 = 200), (10 - 20 = -10)

25a⁴ + 10a²z² - 20a²z² - 8z⁴ factor the left two and right two terms

5a²(5a² + 2z²) -4z²(5a² + 2z²) one factor from each side should be identical

= (5a² - 4z²)(5a² + 2z²)

7 0

3 years ago