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AnnZ [28]
3 years ago
9

If you and a friend each toss two pennies at the same time, what is the probability that all four pennies will be tails?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
4 0

Answer:

1/16

Step-by-step explanation:

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The degree measure of an angle and its supplement are consecutive odd integers. Find the measure of each angle.
Daniel [21]

Answer:

89

91

Step-by-step explanation:

Supplementary means the pair of angles that have this relationship add up to 180 degrees.

If you assume n is odd, then the very next odd number is n+2.

Example 5 is odd and the next odd number after 5 is 7. This fits the pattern of n and n+2 when n=5.

So we are given the degree measurement of an angle and it's supplement are consecutive odd integers.

So let's pretend the supplement of A is B. This means A+B=180.

We are also given A and B are consecutive odd integers, so this means we are going to let A=n and B=n+2.

Let's put this into our equation for A+B=180:

(n)+(n+2)=180

n  + n+2 =180

2n     +2 =180

Subtract 2 on both sides:

2n          =178

Divide both sides by 2:

 n           =178/2

Simplify right hand side:

 n           =89

If n=89, then n+2=89+2=91.

Does 89+91=180? Yep.

Are 89 and 91 consecutive odd numbers?  Yep.  

Here are some consecutive numbers including those: 89,90,91

Yes 91 is the next odd number after 89.

3 0
2 years ago
Read 2 more answers
Help!! need this asap
lesya [120]

Answer:

A≈21.46

<em>Hope Helps </em>

<em>:)</em>

8 0
3 years ago
Taylor has saved $99 for a tablet. That is 45% of the cost of the tablet. How much does the tablet cost?
gayaneshka [121]

Answer:

$220

Step-by-step explanation:

Make a proportion

We know that 99 over some number (x) must equal 45%

99/x=45/100

Cross multiply

45x=9,900

Divide by 45 on both sides

x=220

So, the tablet costs $220

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
Which point is in Quadrant III?
den301095 [7]

Answer:

B

Step-by-step explanation:

B is in Quadrant III.

B is the answer.

4 0
3 years ago
Read 2 more answers
What value of x makes 2x-1=-7 true?
forsale [732]

Answer:x=-3

Step-by-step explanation:

2x-1=-7

Add 1 to each side

2x=-6

Divide each side by 2

x=-3

7 0
2 years ago
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