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3 years ago

Please help I’m in the middle of a testtt!

Mathematics

1 answer:

hichkok12 [17]3 years ago

5 0

Answer:

first option

Step-by-step explanation:

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Solve the system of equations. - 5x + 2y = 9 Y = 78 =

Oksi-84 [34.3K]

Answer:

x = 147/5 and y = 78

Step-by-step explanation:

First solve by substitution and put 78 into y in -5x + 2y = 9 so you get 147/5

then plug 147/5 into x and find y

7 0

3 years ago

Read 2 more answers

-3.8+5+2.7g=12 i neeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed help

jeka57 [31]

We first of all have to simplify this expression to be 2.7g+1.2=12 then subtract 1.2 to both sides and that = to 10.8 and then divide both sides by 2.7 and you will get 4 so,

G=4

8 0

3 years ago

What is the rate of change

natima [27]

Answer:

$m=-4$

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 table.

Point (-1, -1)

Point (0, -5)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m. Rate of change and slope are identical.

Substitute [SF]: $m=\frac{-5+1}{0+1}$
Add: $m=\frac{-4}{1}$
Divide: $m=-4$

6 0

3 years ago

How to find the volume of the round bodies?

faltersainse [42]

Pi x Radius squared should be your answer.

7 0

4 years ago

Identify the most reasonable unit to measure the volume of a glass of orange juice.

tekilochka [14]

Answer:

Liters

Step-by-step explanation:

Every recipient that has a volume of liquid in it,you mesure it in liters!

7 0

3 years ago