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Mamont248 [21]
3 years ago
12

When we evaluate expressions, we need to follow the order of operations. What

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
PEMDAS.
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
And you solve form left to right
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If f(x)= 3x^2- 4 and g(x) = 2x-6, what is g(f(2))?<br> -16<br> 0-2<br> O 8<br> 10
nexus9112 [7]

Answer:

10

Step-by-step explanation:

g(f(x)) = g(3x² - 4) = 2(3x² - 4) - 6

so

g(f(2) = 2(3*2² - 4) - 6 = 2*8 - 6 = 16 - 6 = 10

6 0
2 years ago
What is the value of y ? <br> y=-2x+4?
sineoko [7]

Answer:

y = 4 + -2x

Step-by-step explanation:

Simplifying

y = -2x + 4

Reorder the terms:

y = 4 + -2x

Solving

y = 4 + -2x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying

y = 4 + -2x

4 0
3 years ago
Find the equation of a straight line passing through the point (0,1) which is perpendicular to the line y=-2x+2
alexandr1967 [171]

Answer:

y = \frac{1}{2} x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 2x + 2 ← is in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-2} = \frac{1}{2}

The line crosses the y- axis at (0, 1) ⇒ c = 1 , then

y = \frac{1}{2} x + 1 ← equation of perpendicular line

3 0
3 years ago
Mr. Patel is buying peaches at the grocery store.
aliina [53]
Nearest tenth: 
3.9
Nearest whole number: 
4

When dealing with money, you must round up.
7 0
3 years ago
Read 2 more answers
Halph plz m8<br>Which bar diagram represents the equation 5x + 7.5 = 15?
nordsb [41]

Answer:

Third bar graph.

Step-by-step explanation:

Given : 5x + 7.5 = 15.

To find : Which bar diagram represents the equation.

Solution : We have given   5x + 7.5 = 15

In the equation we can see sum of 5x and 7.5 is 15 .

By the bar graph combination box of 5x and box of 7.5 is equal to the box of 15.

Then Third bar graph represent the equation  .

Two pink boxes of 5x and 7.5 and one blue box of 15.

Therefore, Third bar graph.

8 0
3 years ago
Read 2 more answers
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