What is 0.15+0.36 equal to?

Answers

Answer 1
Answer: To do this we just need to add.

      1 (carried #)
   0.15
+ 0.36
------------
   0.51
 
So, 0.15 + 0.36 = 0.51. We do this like any other addition question and just add the decimal were it's supposed to go.

Hope I helped ya!!!! 
    
Answer 2
Answer: the answer is 0.51 because you just add decimals

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The hawks soccer team won 12 out of 14 games. If this rate continues, how many games will they win if they play a total of 21 games?

Answers

1) 12 out of 14 = 85% Win Rate
2) Now you have to figure out what is 85% of 21 so you have to plug in what you have ? out of 21 = .85
3) Multiply 21 x .85 
4) Answer is They will win 18 out of 21 games


A Right Triangle (ABC) has sides measuring 3 inches and 4 inches. The hypotenuse is 5 inches. A similar right triangle (A'B'C') is created with sides of 7.5 and 10. What is the length of the hypotenuse? (Show all work)

Answers

Answer:

The length of hypotenuse is 12.5

Step-by-step explanation:

First 7.5 x 7.5 = 56.25

Then 10 x 10 = 100

Add them together 56.25 + 100 = 156.25

Then square root 156.25 and you get 12.5

Answer:

12.5 in.

Step-by-step explanation:

You could use the pythagorean theorem, or you can use scale factor. The scale factor between side A and A' is 7.5/3=2.5, which is your scale factor. Multiplying 2.5 by your original hypotenuse gives you 12.5

The half life for Carbon-14 is 5730 years. If a plant had 30 units of Carbon-14 in it when it was cut, find an equation that models the decay of Carbon-14 in this plant.

Answers

y = 30( (1)/(2)) ^(x)/(5730)

Where x = the amount of time that has passed in years.

Joe found the area of a triangle by writing A=1/2(11 in.)(4 in.), while Kaitlin found the area by writing A=1/2(3 in.)(4 in.) + 1/2( 8 in.)(4 in.). explain how each student approached the problem.

Answers

ok so remember distributive property
a(b+c)=ab+ac so

1/2(11)(4)=1/2(3)4+1/2(8)(4)
aka

(1/2*4)(11)=(1/2*4)(3+8)(1/2*4)(3)+(1/2*4)(8)
the 1/2*4 bit was the 'a' and the 3 was b and 8 was c

Becky wants to fence in a rectangular play area for her dog. If she was 82 feet of fencing and wants the length of the play area to be 9 feet longer than its width then what should the dimensions of the play area be?

Answers

ok
fencing=perimiter
perimiter=L+L+W+W=2L+2W=2(L+W)
82=2(L+W)
divid eboth sides by 2 for ease of use
41=L+W


if she wants legnth to be 9 more than width, then
L=9+W
subsitute 9+W for L
41=9+W+W
41=9+2W
subtract 9
32=2W
divide 2
16=W

subsitute
L=9+W
L=9+16
L=25



the pen should be 25 feet by 16 feet
length= width+9    ----- Now we can substitute length with width!
Perimeter = 2(length) + 2(width)
Perimeter = 82
82= 2(w+9) + 2w
41 = w+ 9 + w
41-9 = 2w
32 = 2w
16= w    (now plug w into the equation for length)
length = 16 + 9 = 25

SOO... Dimensions = 16 x 25

if 2/9 of the students in school are in 6th grade how many sixth graders are there in if the school has 27 sudents?

Answers

Answer:

6 students are 6th graders

Step-by-step explanation:

27/9 = 3

3•2=6