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melomori [17]
3 years ago
7

PLEASE HELP!!! (8th Grade Math)

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer:  There are 50 students in the drama club and 34 students in the yearbook club

Step-by-step explanation:

34 + 16 = 50 There are 16 more drama club students than yearbook club students. 50 + 34 =84

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Given the formula, Sn=a 1-r^n/1-r, what is the sum of the first nine terms of the geometric series: 324, -108, 36, -12...
vlada-n [284]

Answer:

243.01.

Step-by-step explanation:

The first term (a) = 324.

The common ratio (r) = -108/324 = -1/3.

So sum of 9 terms is:

S(9) = 324 * (1 - (-1/3)^9) / ( 1 - (-1/3)

= 324 ( 1 - (-0.00005076)) / 4/3

= 324 * 1.00005076 / 1.33333

= 243.012.

3 0
3 years ago
An animal shelter has a ratio of cats to dogs that is 9 to 7. If the shelter has 18 cats, how many dogs would it have?
madreJ [45]

Answer: 14 dogs

Step-by-step explanation:

Given

The ratio of cats to dogs is 9:7

The shelter has 18 cats

Suppose shelter has x dogs

\Rightarrow \dfrac{9}{7}=\dfrac{18}{x}\\\\\Rightarrow x=\dfrac{18\times 7}{9}=14\ \text{dogs}

5 0
3 years ago
What is the answer to this question?
levacccp [35]
Angle A of triangle ABC will be ...
  ∠A = θ₂ -θ₃ = 77° -26° = 51°
Angle B of triangle ABC will be ...
  ∠B = 180° -θ₂ -θ₁ = 180° -77° -44° = 59°
Then angle C will be ...
  ∠C = 180° -∠A -∠B = 180° -51° -59° = 70°

By the Law of Sines,
  a/sin(∠A) = c/sin(∠C)
  a = c×sin(∠A)/sin(∠C)
  a = (57 yd)×sin(51°)/sin(70°) ≈ 47.14 yd

The distance from B to C is 47.14 yd.
5 0
3 years ago
How do you find the LCM on number 6 part b and c
NemiM [27]

Answer:

do 504 and 240÷2 and the answer is correct

3xy and 2yz ÷2

5 0
2 years ago
2+2 I need help with this, please
Vinvika [58]

Answer:

4

Step-by-step explanation:

2 cookies + 2 cookies = 4 cookies!

The more cookies the better!

4 0
3 years ago
Read 2 more answers
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