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aliina [53]
3 years ago
8

How much change would you receive from a $20.00 bill if you purchased 15 items that cost $1.23 each?

Mathematics
2 answers:
lana [24]3 years ago
5 0

Answer:

20.00-(15*1.23)=$1.55

Step-by-step explanation:

Airida [17]3 years ago
4 0

Answer:

$1.55

Step-by-step explanation:

find out how much the total cost is

15 x 1.23 = $18.45

now find the difference of $20 and the total cost

20 - 18.45 = $1.55

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Question 3 (1 point)
Zepler [3.9K]

Answer:

32 feet

Step-by-step explanation:

If the model was 1 ft, then the tree would actually be 4 feet.

If the model is 8 ft, then the tree would actually be 32 feet.

8 0
3 years ago
Evaluate. 4.3 + 2.75 A. 2.78 B. 3.18 C. 7.05 D. 7.5
miv72 [106K]
1. Set up the long addition.
4.30 + 2.75
2. Calculate 0 + 5, which is 5.
4.30 + 2.75 = 5
3. Calculate 3 + 7, which is 10.
since 10 is two-digit, we carry the first digit 1 to the next column
1
4.30 + 2.75 = 05
1
4.30 + 2.75 = 7.05
5. Therefore, 4.3 + 2.75 = 7.05.
7.05
5 0
3 years ago
Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol ( μ, rho, σ) for the indicat
ipn [44]

Answer:

c) H0 : p = 5.8%

H1 : p > 5.8%

Step-by-step explanation:

At the null hypothesis, we test that the percentage is equal to a certain value. At the alternate hypothesis, we have a test about this percentage, if it is more, less, or different from the tested value.

A psychologist claims that more than 5.8 percent of the population suffers from professional problems due to extreme shyness

At the null hypothesis, we test if the percentage is 5.8%

H_0: p = 5.8\%

At the alternate hypothesis, we test if this percentage is more than 5.8%. So

H_a: p > 5.8\%

This means that the correct answer is given by option c.

3 0
2 years ago
Read 2 more answers
What is 0.08 written as a percent
andrew11 [14]
0.08 can be written as 8%

3 0
3 years ago
Read 2 more answers
Solve for x in the equation x2+2x+1=17
Sphinxa [80]
If you meant 2x + 2x + 1 = 17: x = 4
Solve for x by simplifying both sides of the equation, then isolating the variable.<span> 
</span>
If you meant <span>x2 + 2x + 1 = 17:</span> <span>x ≈ 3.1231056,−5.1231056x</span>
Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula. <span><span>x = −1 ± <span>√17</span></span>x</span>
7 0
3 years ago
Read 2 more answers
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