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ELEN [110]
3 years ago
13

I need answers asappp

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0

Answer:1)5x^2-11x

             2) x^2-3x

Step-by-step explanation:

1)(f+g)(x)

f(x)=3x-7

g(x)= 2x-4

[(3x-7)+(2x-4)](x)

3x^2-7x+2x6^2-4x

=<u>5x^2-11x</u>

2) (f-g)(x)

[(3x-7)-(2x-4)](x)

(3x-7-2x+4)(x)

3x^2-7x-2x^2+4x

x^2-3x

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Find the volume of the figures.A. 907.5 cmB. 126ncmC. 605 cmD. 55 cm
-BARSIC- [3]

We have the next formula to calculate the volume

V=\frac{1}{3}\cdot a^2\cdot h

where a is the length of the side in the base and h is the height

a=11cm

h=15cm

we substitue the values in the formula

V=\frac{1}{3}\cdot11^2\cdot15=605\operatorname{cm}^3

8 0
1 year ago
Simplify the expression:<br> 5q+–8q
vodka [1.7K]

Answer:

-3q

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>

  • Terms

Step-by-step explanation:

<u>Step 1: Define</u>

5q + -8q

<u>Step 2: Simplify</u>

  1. Rewrite:                               5q - 8q
  2. Combine like terms:           -3q
3 0
3 years ago
Read 2 more answers
Greg took a trip for 21 days. He took an average of 36 black-and-white photos and 60 color photos every day. How many more color
kumpel [21]

Answer:

i think the answer is 504

Step-by-step explanation:

multiply 36 by 21

multiply 60 by 21

subtract

Hope this helps my dude! :- )

4 0
4 years ago
What is the area of the region between the graphs of y=x^2 and y=-x from x=0 to x=2?
EleoNora [17]
2/3 units
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8 0
4 years ago
PLEASE! I NEED HELP. ITS VERY EMERGENCY
WITCHER [35]
Here it is:

The first set has (0,1) and (0,5), which assigns to the *same* x, more than one value of *y*. That's not a function. It's a curve. Think about a circle, or instance. It's NOT a function, but it's a curve.

The second one has for each *x* a single *y*

BTW, there's no problem if for *different* x there is the same *y*:

y = 5,

all x, have the same y, equal to 5. That's a function, or y = x^2, etc
8 0
3 years ago
Read 2 more answers
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