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Wewaii [24]
3 years ago
9

Which statement is correct?

Mathematics
1 answer:
Andreyy893 years ago
4 0

Answer:

Correct statements:

Step-by-step explanation:

A line that rises from left to right has a positive slope.

A line that falls from right to left has a negative slope.

A horizontal line has no slope. (slope of 0)

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Can someone help me??
Yakvenalex [24]

Answer:

18in cubed

Step-by-step explanation:

area times height equals volume. so,

13.5×1⅓=18.

so, the volume is 18in cubed.

3 0
3 years ago
Read 2 more answers
8x+5=6x+19. Help me pleaseeeeeeeeeee
hammer [34]

Answer:

7x=12

Step-by-step explanation:

8x+5=6x+19

                 -

                  5

8x=6x+14

-

6x

2x=14 Divided by 2  Equals x=7          

7 0
3 years ago
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If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails
Ilia_Sergeevich [38]

Answer:

<h3>The answer is <u>3/8</u> NOT 50%</h3>

Step-by-step explanation:

One way to solve this problem is to figure out how many ways you can get exactly 222 tails, then divide this by the total number of outcomes you could have gotten. Since every outcome has equal probability, this will be the probability that you will get exactly 2 tails.

How many outcomes are there where you get exactly 2 tails? Try thinking of each outcome as a 4-letter word, where the first letter is "H" if the first coin toss was heads and "T" if it was tails, and so on.

So, the number of outcomes with exactly 2 tails is the same as the number of these words which have 2 T's and 2 H's.

How many of these are there? If we treat all the letters as unique, we'll find that there are 4! different arrangements, overcounting 2! times for every time we only switch the T's around, and 2! times for every time we only switch the H's around.

So, there are <u>4!/2!2!</u> = 6  

​  

<u>4!/2!2!</u>= 6 different outcomes where you get exactly 2 tails.

Altogether, there are 2^4 = 16 total possible outcomes.

So, the probability that you will get exactly 2 tails is <u>6/16</u> = 3/8

​  

4 0
3 years ago
Brainliest? help please-
ch4aika [34]
Answer: 81

To get this answer, you do two things
1) Take half of the x coefficient 18 to get 9
2) Square the result from the previous step to get 9^2 = 9*9 = 81

This value is added on to get x^2+18x+81 which factors to (x+9)^2 confirming we have a perfect square trinomial
5 0
3 years ago
Read 2 more answers
Natalie drew the angle below. What is the most reasonable estimate for the measure of the angel Natalie drew?
solong [7]
90 degrees, it looks like a right angle
Hope it helps :))
8 0
3 years ago
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