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Marysya12 [62]
3 years ago
6

Write a proof for the biconditional using the inverse and contrapositive.

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0
I don’t really understand the question at hand but let me try to help

X is equal to 4 we know this because because the sign in between the number means greater than or equal to so 3 x 4 equals 12 and that makes the equation on right true and on the left x is also equal to for which also makes the statement on the right true as well so I think X = 4

I hope I was able to help and If not I’m sorry
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Find the next two terms. 81, 27, 9, ?, ?
Nataly_w [17]

Answer:

3 and 1

Step-by-step explanation:

Similarly each term is 1/3 of the previous term. This is a geometric sequence.

9/3 = 3

3/3 =1

3 0
2 years ago
1/20 in dicimal please help
KonstantinChe [14]
0.05 is the answer for your question.
8 0
3 years ago
Deion Sanders can run the 40 yard dash in 4.19 seconds. At this rate, how long would it take him to run a mile?
Lilit [14]

Answer:

184.36

Step-by-step explanation:

If you times 40×45=1760 so you have to times 4.19×44= The answer/ 184.36

3 0
3 years ago
Quick algebra 1 question for 10 points!
valina [46]

<u>Answer:</u>

○ 1 hour 41 minutes or more

<u>Step-by-step explanation:</u>

We can make two equations that represent the total amount each plumber charges.

If x represents the number of hours they work, then:

•Total charged by Plumber A = 35 + 15x

• Total charged by Plumber B = 40+12x

Now, if Plumber A is more expensive than Plumber B, then:

Total charged by Plumber A > Total charged by Plumber B

∴ 35 + 15x > 40+12x

Now all we have to do is solve for x:

35 + 15x > 40+12x

⇒ 35 + 15x -12x > 40

⇒ 35 + 3x > 40

⇒ 3x > 5

⇒ x > \bf \frac{5}{3} \space\ \mathrm{h}

\frac{5}{3} \space\ \mathrm h  is equivalent to  \frac{5}{3} \times 60 \space\ \mathrm {min} = 100 minutes, which is the same as 1h 40min.

This means if Plumber A works more than 1h 40min, they become more expensive than Plumber B.

More than 1h 40min is equivalent to '1 hour 41 minutes or more', therefore the first option is correct.

4 0
1 year ago
Simplify -8 + 3(x+7) + 5x
xxTIMURxx [149]

Answer:

13+8x

Step-by-step explanation:

dueoajdhiekssmeuoaksn

5 0
3 years ago
Read 2 more answers
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