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AlladinOne [14]
3 years ago
5

Help me pls I cannot get this

Mathematics
1 answer:
svlad2 [7]3 years ago
3 0

Answer:

x= 12.9 (3 s.f.)

Step-by-step explanation:

Please see attached picture for full solution.

1. Label the hypotenuse, adjacent and opposite side of the triangle.

2. Look at the given information.

3. Decide if you should use sine, cosine or tangent.

sine angle= opp/hyp

cosine angle= adj/hyp

tangent angle= opp/adj

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Write a word problem for 2 divided by 1/4 equal 8
Lelechka [254]

Answer:

Adam has 2 apples he cuts the apples into fourths giving him 8 apple slices

Step-by-step explanation:

hope it helps

6 0
3 years ago
Find the 9th partial sum of the geometric sequence an=43n–1.
siniylev [52]

Answer:

39364.

Step-by-step explanation:

I guess its an = 4*(3)^(n-1)

r = 3, a1 = 4 and n = 9

Sum of n terms = a1 * (r^n - 1) / (r - 1)

so S9 = 4 *(3^9 - 1) / (3 - 1)

= 4 * (19683  - 1) / 2

= 78728/2

= 39364.

7 0
3 years ago
Show your work please, i really wanna understand.
Vedmedyk [2.9K]

Answer:

27 candies are chocolate

Step-by-step explanation:

For question 25

you have 90 candies 30% = 0.30 which equals 0.3

then you multiply 90 * 0.3 and you get 27

5 0
3 years ago
A collection of 36 coins consists of nickels, dimes and quarters. There are three fewer quarters than nickels and six more dimes
lina2011 [118]

Answer:

9 quarters, 12 nickels, and 15 dimes.

Step-by-step explanation:

Let's start by naming the number of quarters x.

That means that the number of nickels is x+3.

(There are three fewer quarters than nickels)

The number of dimes would be x+6.

(There are six more dimes than quarters)

We know the total number of coins is 36.

We can set up an equation.

quarters+nickels+dimes=36

x+x+3+x+6=36

Combine like terms.

3x+9=36

Subtract 9 from both sides.

3x=27

Divide both sides by 3.

x=9

There are 9 quarters.

Use given info to find the number of other coins.

9+3=12

There are 12 nickels.

9+6=15

There are 15 dimes.

3 0
4 years ago
What is this expression in simplified form?
Soloha48 [4]
The answer is 10 radical 11

5 0
3 years ago
Read 2 more answers
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