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larisa86 [58]
3 years ago
9

In how many ways can you answer 15 true/false questions

Mathematics
1 answer:
Anna71 [15]3 years ago
4 0

Answer:

32768

Step-by-step explanation:

Each question has 2 options.

On a true/false test with one question, there are 2¹, or 2 possible answers

On a test with 2 questions, there are 2², or 4 possible answers.

On a test with 3 questions, there are 2³, or 8 possible answers.

So, 2¹⁵ = 32768 possible ways.

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ANTONII [103]
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3 years ago
Apples are on sale for $1.20 a pound. Logan bought 3/4 of a pound. How much money did he spend on apples
kati45 [8]
What I did was turn ¾ in to a fraction (which is 75%) then turned it into a decimal (.75)
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Hope I helped :)
4 0
3 years ago
Read 2 more answers
A tailor used 6 2/3 yards of fabric to make hats. The amount of fabric needed to make each hat is 5/6 yard. How many complete ha
vfiekz [6]

Answer: The tailor made 8 complete hats

Step-by-step explanation:

Amount of fabrics available to make hat = 6 2/3 yards

1 hat requires = 5/6 yards

Number of hat to obtain from the available fabric = Amount of fabrics available to make hat / requirement of 1 hat

=(6 2/3) / (5/6)

(20/3) / (5/6)

20/3 x 6/5 = cancelling out, we are left with

4x2= 8 hats

or

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6.6666 /0.83333

= 8.00002= 8 hats

6 0
3 years ago
What are the numbers that are divisible by three
faust18 [17]
The numbers divisible by 3 are multiples of 3.
6 0
3 years ago
WILL AWARD BRAINLIEST
stepan [7]

Answer:

1. a. 3xy²(7x²y³ + 5x - 4y)

2. a. (3x + 2)(5x + y)

3. d. (2a + b)(5x - 4)

Step-by-step explanation:

For #1, your answer was missing an exponent, which I boldfaced. Every term has a <em>y</em><em>²</em><em> </em>in common. Then, in numbers 2 and 3, just factor each group one at a time.

Ex: [10ax + 5bx] - [8ay - 4by]

4 0
3 years ago
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