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s344n2d4d5 [400]
3 years ago
10

The ratio of boys to girls at the beach cleanup was 7:8 if there are 42 boys, how many girls are there?

Mathematics
2 answers:
iris [78.8K]3 years ago
8 0
There are forty eight girls

Evgen [1.6K]3 years ago
3 0
7/8=42/n
Find the ratio...7*6=42
Do the same to 8...8*6=48
Answer: 48 girls
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Calculate the area of a circle with a diameter of 6cm
USPshnik [31]
Formula for area of circle:
A=πr²
Here diameter, d= 6 cm
Radius, r= d/2 = 6/2 = 3 cm
Put values
A= 3.14 x 3²
A=3.14 x 9
A=28.26 cm²

Answer: 28.26 cm²

7 0
3 years ago
Read 2 more answers
Find the equation of the line passing through the points (6,3) and (-4,3)<br> Y=
Molodets [167]

{ \qquad\qquad\huge\underline{{\sf Answer}}}

Equation of line passing through given points :

Let's proceed with two point form ~

\qquad \sf  \dashrightarrow \: y - y1 =  \cfrac{y2 - y1}{x2 - x1} (x - x1)

Assume :

\qquad \sf  \dashrightarrow \: y - 3=  \cfrac{3 - 3}{ - 4 - 6} (x - 6)

\qquad \sf  \dashrightarrow \: y - 3=  \cfrac{0}{ - 10} (x - 6)

\qquad \sf  \dashrightarrow \: y - 3 = 0

\qquad \sf  \dashrightarrow \: y = 3

So, the equation of required line is : y = 3 ~

5 0
1 year ago
If you launch the cannonball from the ground instead (hi=0), what does that change in the original equation?
ikadub [295]

Answer:

  the value of hi changes from 58 to 0:

  h(t) = -4.9t^2 +19.8t

Step-by-step explanation:

If the initial height changes, then the term in the equation that represents that height will change. The initial height term is hi, so it changes from 58 to 0.

  h(t)=-4.9t^2+19.8t+0\\\\\boxed{h(t)=-4.9t^2+19.8t}

7 0
3 years ago
Emma has saved £1.35 in 5p coins. How many 5p coins does Emma have?
valentinak56 [21]
To make calculation easier, we first multiply
1.35 × 100 = 135

then we need to find how many groups of 5 are there in 135.
to do so, we simply take 
135 ÷ 5 = 27

therefore, the answer is <u>27.</u>
8 0
4 years ago
15/8 + (-3 4/7) plz help me.
givi [52]
I think it’s -1.69642857143
4 0
3 years ago
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