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Bogdan [553]
4 years ago
7

Activity

Mathematics
2 answers:
Ipatiy [6.2K]4 years ago
8 0

Answer:

2d + 3

Step-by-step explanation:

Dylan’s weight is d.

Twice Dylan’s weight is 2d.

Three pounds more than twice Dylan’s weight is 2d + 3.

So, the expression for Alan’s weight in terms of Dylan’s weight is 2d + 3.

alina1380 [7]4 years ago
4 0

Answer:

Step-by-step explanation:

a=2d+3

b=3d-12

c=a+b so

c=2d+3+3d-12

c=5d-9

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What is the surface area of the triangular prism? (please help)
hram777 [196]

Answer:

72 sq ft.

Step-by-step explanation:

Surface area of Triangular prism=[2*(1/2)*3*4]+(5*5)+(3*5)+(4*5)=12+25+15+20=72 sq ft.

6 0
3 years ago
Please help write the direct variation. Thank you!
prohojiy [21]

yes the table represents direct variation

the equation is y=3.99x

8 0
3 years ago
Simplify (3x + 5) + (2x - 9) - (4x + 3).<br><br> x - 7<br> -x - 7<br> -9x - 1<br> 9x - 1
Lyrx [107]
Hi Grant.

(3x + 5) + (2x - 9) is what we'll start with. Considering we cannot combine variables with numbers, we can only combine like-terms.

3x + 2x; 5 - 9; we result with: 5x - 4

Now, we are left with (5x - 4) - (4x + 3)
Remember to distribute the negative sign to everything to the right.

(5x - 4) - 4x - 3. We are now able to simplify and solve for our answer.

5x - 4x; -4 - 3; we result with x - 7.

Your answer is A.) x - 7.

I hope this helps!
4 0
4 years ago
What is 18x^2 +8 factored
Airida [17]
2(3x+2)(3x-2) ...hope this helps
3 0
4 years ago
A survey was taken of 49 people to see if they watch basketball and/or soccer games on television. The results are shown in the
emmasim [6.3K]

Answer:

\begin{array}{cccc}&\text{Watch basketball}&\text{Don't watch basketball}&\text{Total}\\\text{Watch soccer}&7&12&19\\\text{Don't watch soccer}&17&13&30\\\text{Total}&24&25&49\end{array}

Step-by-step explanation:

From the diagram you can see that

  • 17 people watch only basketball;
  • 7 people watch both basketball and soccer;
  • 12 people watch only soccer;
  • in total, 17+7+12=36 people watch some sports;
  • so, 49-36=13 people do not watch sports.

So, you can fill the table in following way

\begin{array}{cccc}&\text{Watch basketball}&\text{Don't watch basketball}&\text{Total}\\\text{Watch soccer}&7&12&19\\\text{Don't watch soccer}&17&13&30\\\text{Total}&24&25&49\end{array}

6 0
3 years ago
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