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Shtirlitz [24]
3 years ago
13

Graph the function f(x)=(x+1)(x-2)

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0
F(x) = (x + 1)(x - 2)
f(x) = x(x - 2) + 1(x - 2)
f(x) = x(x) - x(2) + 1(x) - 1(2)
f(x) = x² - 2x + x - 2
f(x) = x² - x - 2

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If a restaurant bills totals $85, what amount should be left as a 15$ tips
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If the total bill is $85, and you want to leave a 15% tip, then you can calculate it as follows:

85 * 15%

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= 12.75

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4 years ago
Kenzie makes quilts from blue and purple pieces of fabric. The diagram shows the ratio of blue pieces to
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The purple pieces are 35 and total pieces is 32 if the Kenzie makes quilts from blue and purple pieces of fabric.

<h3>What is the ratio?</h3>

It is described as the comparison of two quantities to determine how many times one obtains the other. The proportion can be expressed as a fraction or as a sign: between two integers.

The question is incomplete.

The complete question is in the picture, please refer to the picture.

Total number of pieces = 3+5 = 8

So, the purple pieces = 5(5/8) = 35

Total pieces = 20/(5/8) = 4×8 = 32

Thus, the purple pieces are 35 and total pieces is 32 if the Kenzie makes quilts from blue and purple pieces of fabric.

Learn more about the ratio here:

brainly.com/question/13419413

#SPJ1

3 0
3 years ago
The diameter is a circle is 16in. Find it’s circumference in terms of π.<br><br> C= ________in
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<h3><u>S</u><u> </u><u>O</u><u> </u><u>L</u><u> </u><u>U</u><u> </u><u>T</u><u> </u><u>I</u><u> </u><u>O</u><u> </u><u>N</u><u> </u><u>:</u></h3>

According to the question,

  • Diameter of circle = 16 in

We are asked to calculate it’s circumference in terms of π.

★ Circumference of circle = 2πr

___________________________________

Let us first calculate the radius of the circle.

→ Diameter = 2 × Radius

→ 16 in = 2r

→ r = 16 in ÷ 2

→ r = 8 in

___________________________________

Substituting values in the formula of circumference,

→ C = 2πr

→ C = (2 × π × 8) in

→ C = 16π in

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7 0
3 years ago
Frank had 42 rocks that he wanted to share with his friends. If he gave each friend the same number of rocks(and kept the same n
shutvik [7]

Answer:6. 42 split 7 ways is 6

Step-by-step explanation:

7 0
2 years ago
A jar contains 133 pennies. A bigger jar contains 1 2/7 times as many pennies. What is 5he value of the pennies in the bigger ja
boyakko [2]
1(2/7)= 9/7

133/1×9/7= 171 pennies.
4 0
3 years ago
Read 2 more answers
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