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nignag [31]
3 years ago
8

Evaluate and match each expression.

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

Answer:

12+x=12+4=16

3x+y=3*4+7=12+7=19

4y-10=4*7-10=28-10=18

1/2xy=1/2*4*7=28/2=14

Step-by-step explanation:

You might be interested in
Help please if your good with volumes of prisms and stuff lol
IgorC [24]

Answer:

222cm3

Step-by-step explanation:

9cm × 3cm × 6cm = 162cm

8cm - 3cm = 5cm

5cm × 2cm × 6cm = 60cm3

162cm3 + 60cm3 = 222cm3

Volume = 222cm3

8 0
3 years ago
What is the rate of Change of the line through (1,-3) and (0,-1)
andreyandreev [35.5K]

Answer:

m=-2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. 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 (1, -3)

Point (0, -1)

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

Substitute in points into the slope formula to find rate of change

  1. Substitute [SF]:                    m=\frac{-1+3}{0-1}
  2. Add/Subtract:                      m=\frac{2}{-1}
  3. Divide:                                 m=-2
7 0
3 years ago
Is it ok you guys maybe do this one too sorry...<br> (−6)(−0.4)(−0.5)
olchik [2.2K]
(-6)(-0.4)(-0.5) = (-1)6⋅4⋅5⋅10⁻² = -1.2
5 0
3 years ago
Good at math, help please!!!!!!
solmaris [256]
C is tevanswer out I think so
6 0
3 years ago
Read 2 more answers
Help please anyone up
saul85 [17]
Since area is length times width, it would be the factors of the equation for the area.
X2+11x+28 factors into...
Length is x+7 so...
Width is x+4
7 0
4 years ago
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