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3 years ago

6

I NEED HELP ON THIS QUESTION PLS.

1 answer:

STatiana [176]3 years ago

5 0

Answer: F
Explanation: you already know you have a 90° and the straight lines means it’s 180° so you need to find x and z which are the same so 2x + 90=180 which you would then subtract 90 from 180 which would be 90 then divide 90 by two which would be 45

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1. Show your work to simplify the expression 0.5(8a +6b) a + 4b

Anna11 [10]

Answer:

Using distribute property

0.5(8a)(a) + 0.5(6b)(a) + 4b

4a^2 + 3ab + 4b

Step-by-step explanation:

6 0

3 years ago

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Kerry bought 3 books that were all the same price he paid a total of $40.20 what is the cost of one book

vichka [17]

To find the cost of one book you need to divide 40.20 by 3.
40.20/3= 13.4
Dont forget the dollar sign - $13.4
Cost of one book is $13.4

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3 years ago

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Help pwease im not good at meth

professor190 [17]

1 Simplify n+5+-m-3n+8n+5+−m−3n+8 to n+5-m-3n+8n+5−m−3n+8.

11-2m-(n+5-m-3n+8)11−2m−(n+5−m−3n+8)

2 Collect like terms.

11-2m-((n-3n)+(5+8)-m)11−2m−((n−3n)+(5+8)−m)

3 Simplify (n-3n)+(5+8)-m(n−3n)+(5+8)−m to -2n+13-m−2n+13−m.

11-2m-(-2n+13-m)11−2m−(−2n+13−m)

4 Remove parentheses.

11-2m+2n-13+m11−2m+2n−13+m

5 Collect like terms.

(11-13)+(-2m+m)+2n(11−13)+(−2m+m)+2n

6 Simplify.

-2-m+2n that is the answer plz Mark me brainliest:)

8 0

3 years ago

Josefina started to solve for x in the equation 3.5=1.9-0.8|2x-0.6|

devlian [24]

X is equivalent to 1.5

7 0

3 years ago

Find the slope of the line through each pair of points.<br> (16,-11), (7,0)

kati45 [8]

Answer:

$m=\frac{-11}{9}$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

Point (16, -11)

Point (7, 0)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

Substitute [SF]: $m=\frac{0+11}{7-16}$
Add/Subtract: $m=\frac{11}{-9}$
Rewrite: $m=\frac{-11}{9}$

8 0

3 years ago