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lbvjy [14]
2 years ago
13

Pls help me

Mathematics
1 answer:
kaheart [24]2 years ago
3 0

Step-by-step explanation:

no

yes

no

no

the sum of all angles must be 180°

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If f(x) = 2x + 5x and g(x) = 3x - 5, find (f+ g)(x).
Papessa [141]

Answer:

D. 10x - 5

General Formulas and Concepts:

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 2x + 5x

g(x) = 3x - 5

(f + g)(x) is f(x) + g(x)

<u>Step 2: Simplify</u>

f(x) = 7x

g(x) = 3x - 5

<u>Step 3: Find</u>

  1. Substitute:                     (f + g)(x) = 7x + (3x - 5)
  2. Combine like terms:     (f + g)(x) = 10x - 5
7 0
3 years ago
Lee and Lyn both invested their birthday money. Lee put his money in a savings account that earned 8% simple interest annually.
tatyana61 [14]
Lyn made a better investment.

Her money will grow quicker than Lee because the money grows by 8% annually, and then the next year 8% off of the new balance.

Lee's money will only grow by 8% from the original price.
3 0
3 years ago
Marny can type 20 words in 1/3 of an hour. How many words can she type per hour? *​
Vera_Pavlovna [14]

Answer:

60 words

Step-by-step explanation:

20*/X3=60

3 0
2 years ago
Read 2 more answers
Which equation can be used to solve the problem? how many 8-gallon cans are needed to hold a total of 120 gallons of water?
alexdok [17]
The answer would be D.
C=15
8x15=120
5 0
3 years ago
Emily has a rectangular deck in her backyard with an area of 96 square feet. She wants to increase.
Dominik [7]

Answer:

The area of the deck after she doubles the length and width will be of 384 square feet.

Step-by-step explanation:

Area of a rectangle:

The area of a rectangle of length l and width w is given by:

A = lw

Doubling length and width:

If we double the length and the width, the dimensions are 2l and 2w. Thus, the area will be of:

A_d = 2l*2w = 4lw

That is, if both dimensions are doubled, the area is multiplied by 4.

What will the area of the deck be after she doubles the length and width?

Was 96. Then, both dimensions were doubled, and the area has to be multiplied by 4.

96*4 = 384

The area of the deck after she doubles the length and width will be of 384 square feet.

4 0
2 years ago
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