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ANTONII [103]
3 years ago
15

Which of the following is not a way to say 2x+2

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0
The answer is B) Two times the sum of a number and two. That would be completely different that twice a number plus two.

Hope this helps!
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Kevin caught some fish. Of them 4/9 were herring, and 2/9 salmon. What was the total amount of fish, amount of herring and amoun
julia-pushkina [17]

There were 3 different fish caught, Salmon, Herring and Flounder.

4/9 were Herring, 2/9 were Salmon, 4/9 +2/9 = 6/9

This means 3/9 were Flounders ( 3/9 + 6/9 = 9/9 = 1)

3/9 can be reduced to 1/3.

1/3 of the fish were Flounders.

Divide the amount of flounders by the portion caught:

12 / 1/3 = 12 * 3/1 = 36 total fish.

Now you have total number of fish, multiply the total by each portion for each type of fish.

Total fish = 36

Herring = 4/9 x 36 = 16

Salmon = 2/9 x 36 = 8

6 0
3 years ago
Is this a right angle?<br>use the Pythagorean theorem to find out!​
Komok [63]

Answer:

Yes this is a right angle triangle

Step-by-step explanation:

h*h=p*p+b*b

5*5=4*4+3*3

25=16+9

25=25

6 0
4 years ago
Complete the statements about these similar pyramids.
Goryan [66]
  • The ratio of the heights of the pyramid given at the end of the answer is of: 1:3.
  • The ratio of the surface areas of the pyramid given at the end of the answer is of: 1:9.
  • The ratio of the volumes of the pyramid given at the end of the answer is of: 1:27.

<h3>How to obtain the ratios?</h3>

The first step in obtaining the ratios is finding the ratio of the heights, which is given as follows:

5:15 = 1:3.

The heights are measured in units, while the surface area is measured in units squared, hence the ratio is squared, as follows:

(1:3)² = 1:9.

The volume is measured in cubic units, hence the ratio is cubed, as follows:

(1:3)³ = 1:27.

<h3>Missing Information</h3>

The pyramid is given at the end of the answer.

For different dimensions, the procedure of taking the ratio of the heights, then the surface area is squared and the volume is cubed remains.

More can be learned about ratios of area and volume at brainly.com/question/15990299

#SPJ1

5 0
1 year ago
The records of four baseball teams are shown below. Which team had the greatest percent of wins?
uranmaximum [27]

Answer:

I dont see the picture or records

Step-by-step explanation:

5 0
3 years ago
If a + b = -6 and x + y + z = -2, what is 8a - 7x - 7z - 7y + 8b
Oxana [17]

Answer:

-34

Step-by-step explanation:

a + b = -6

x + y + z = -2

We want 8a so multiply the first equation by 8

8( a + b) = -6*8

8a+8b = -48

We also want -7x so multiply the second equation by -7

-7(x + y + z) = -2*-7

-7x-7y-7z = 14

Add the two equations together

8a+8b = -48

-7x-7y-7z = 14

-------------------------

8a+8b-7x-7y-7z = -34

Rearranging the order

8a - 7x - 7z - 7y + 8b = -34

5 0
3 years ago
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