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lina2011 [118]
3 years ago
12

A quiz has 5 true-false questions and 3 multiple choice questions with 4 options each. How many possible ways are there to answe

r the 8 questions?
a.
48
c.
4024
b.
2024
d.
2048
Mathematics
2 answers:
8_murik_8 [283]3 years ago
4 0
This answer is d 2024
poizon [28]3 years ago
4 0

Answer:

The correct answer is D

Step-by-step explanation:

the dude above me made a small typo, but they are right

The picture is my proof

have a nice day! :)

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The perimeter of the patio is 64 feet. The width of the patio is (x+2) feet and the length of the patio is (x+6) feet. What are
ValentinkaMS [17]

The formula for the perimeter is P = 2<em>w</em> + 2<em>l</em>, where <em>w</em> is the width and <em>l</em> is the length. It is given that the width = (x+2) and the length = (x+6). Therefore, we can make this equation:

P = 2<em>w</em> + 2<em>l</em>

64 = 2(x+2) + 2(x+6) ⇒ Distributive property

⇒ 64 = 2x + 4 + 2x + 12 ⇒ Combine like terms

⇒ 64 = 4x + 16 ⇒ Subtract 16 from both sides

⇒ 48 = 4x ⇒ Divide both sides by 4

⇒ x = 12

Then, we use x = 12 and substitute it in to find the length and width

<em>Width</em> = (x+2) = (12+2) = 14

<em>Length</em> = (x+6) = (12+6) = 18

The dimensions of the patio is <u>14 by 18</u>

5 0
3 years ago
Solve the system of equations.<br><br> y=3x<br> y=x^2-10
puteri [66]

Answer:

y=3x.........1

y=x^2-10.......2

substituting value of eq 1 to 2

3x=x^2-10

x^2-10-3x=0

x^2-3x-10=0

x^2-5x+2x-10=0

X(x-5)+2(x-5)=0

(x-5)(X+2)=0

then

X=5 or X=-2

again

y=??

when X=5

y=3×5=15

when X=-2

y=-6

5 0
3 years ago
Read 2 more answers
Rebecca owns nonfiction books and fiction books. The ratio of nonfiction books to fiction is 7:2. Rebecca owns 54 books. How man
Bess [88]

Answer:

42 books

Step-by-step explanation:

The ratio percent for nonfiction is 0.78%

You multiply the amount of book by the percent that is nonfiction which give you the answer of 42.

54(0.78) = 42

3 0
3 years ago
I need help with this, asap!!!
Leni [432]
The answer to this is d!
4 0
3 years ago
Read 2 more answers
Combine the like terms to create an equivalent expression:<br> −3x-6+(-1)
asambeis [7]

Answer:

-3x - 7

Step-by-step explanation:

-3x - 6 - 1 = -3x - 7

3 0
2 years ago
Read 2 more answers
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