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nekit [7.7K]
2 years ago
15

Help me please i beg you !!!!!!! please please please please anyone

Mathematics
2 answers:
makvit [3.9K]2 years ago
7 0
X is equal to 15 plug it in and you get 90
ehidna [41]2 years ago
7 0
6.) x=8
7.) x=15
8.) 50 degrees
9.) x=10
10.) x=27
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Determine the product: (46.2 × 10–1) ⋅ (5.7 × 10–6). Write your answer in scientific notation.
lianna [129]

Answer:

A

Step-by-step explanation:

10-6 X 10-1 = 10-7

5.7*46.2=263.34

263.34=2.6334 x 10^2

10^2 x 10^-7 = 10^-5

so

=2.6334 x 10-5

7 0
3 years ago
There are 6 swimmers in a race. In how many ways can they finish in first and second place?
hodyreva [135]

Answer:

step 1. 6x2=12 first place way

step 2. 12×2=24

step 3. 24+6=30 second place way

6 0
2 years ago
Please help it’s finding sin C , cos C and tan C
Aloiza [94]

The given triangle has a right angle.

We use the mnemonics SOH-CAH-TOA.

1i) \sin C =\frac{Opposite}{Hypotenuse},\implies \sin C =\frac{30}{34},\implies \sin C =\frac{15}{17}

ii) \cos C =\frac{Adjacent}{Hypotenuse},\implies \cos C =\frac{16}{34},\implies \cos C =\frac{8}{17}

\tan C =\frac{Opposite}{Adjacent},\implies \tan C =\frac{30}{16},\implies \tan C =\frac{15}{8}

2. We want to find the hypotenuse.

We know an angle to be 23 degrees.

We were also given the side opposite to this angle to be 1200km.

Therefore we use the sine ratio.

6 0
3 years ago
Read 2 more answers
Need help please!
Readme [11.4K]

Answer:

4) v=kx^2/y^3

2= k(4^2)/(3^3)

2 =k16/27

k = 2(27/16) = 27/8

v = (27/8)(3^2)/(2^3 = (27/8)(9/8) = 243/64

v = 243/64 when x=3 and y=2

Step-by-step explanation:

here

5 0
2 years ago
Find the volume of the figure. Round to the nearest hundredth.
s2008m [1.1K]

Answer:

Volume=2521.91 mm³

Step-by-step explanation:

d=13, r=13/2=6.5, h=19

volume=πr²h

=π(6.5)²×19

=<u>2521.91 mm³</u>

<u>hope it helps</u>

<u>have a great day!!</u>

3 0
3 years ago
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