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Ratling [72]
3 years ago
11

Calculate the difference. 0.9 − 0.245 *

Mathematics
2 answers:
Stells [14]3 years ago
7 0
0.655 I think that’s correct that
const2013 [10]3 years ago
5 0
Here is a picture with the answer.

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There are 120 men and 380 women in the disco live show. What is the ratio of women to men in the show?
Paladinen [302]

Answer:

6:19

Step-by-step explanation:

There are 120 men and 380 women.

The ratio of women to men in the show is 120:380.

Simplify 120:380.

⇒ 6:19

6 0
3 years ago
Read 2 more answers
Find sin 2a and cot 2a:
geniusboy [140]

Answer:

sin(2\alpha )=2(\frac{5}{12})(\frac{12}{13})=\frac{10}{13}\\cot(2\alpha ) = \frac{16511}{18720}

Step-by-step explanation:

\text{if } cos(\alpha)=\frac{12}{13}\\\text{That must mean we have a triangle with base 12, and hypotenuse 13.}\\\text{Using Pythagoras, we can determine the base of the triangle must be 5.}\\a^2+b^2=c^2 \text{, where c is the hypotenuse and a, b are the two other sides.}\\c^2-b^2=a^2\\\sqrt{c^2-b^2}=a\\\sqrt{13^2-12^2}=\sqrt{169-144}=\sqrt{25}=5\\\text{Therefore, }sin(\alpha) = \frac{5}{12}\\sin(2\alpha)=2sin(\alpha )cos(\alpha)\\\text{(From double angle formulae identities)}\\

sin(2\alpha )=2(\frac{5}{12})(\frac{12}{13})=\frac{10}{13}\\cos(2\alpha )=cos^2(\alpha)-sin^2(\alpha)\\cos(2\alpha )=(\frac{12}{13})^2-(\frac{5}{12})^2=\frac{16511}{24336}\\cot(2\alpha)=\frac{cos(2\alpha)}{sin(2\alpha)}=\frac{\frac{16511}{24336}}{\frac{10}{13}}=\frac{16511}{18720}

8 0
3 years ago
How many kilometers are in one meter
notka56 [123]
0.001 kilometers are in one meter<span />
8 0
3 years ago
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Please help asap will mark brainliest
steposvetlana [31]
The answer is -6x^2 + 7x, or answer choice A.
6 0
3 years ago
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$70.00 at 5% for 2 years
aleksandrvk [35]

Answer:

$7

Step-by-step explanation:

Hey there

to solve this kind of problem we use the formula:

<h3>\frac{p * t * r}{100} </h3><h3>if we solve it :</h3>

First, converting R percent to r a decimal

r = R/100 = 5%/100 = 0.05 per year,

then, solving our equation

I = 70 × 0.05 × 2 = 7

I = $ 7.00

The simple interest accumulated

on a principal of $ 70.00

at a rate of 5% per year

for 2 years is $ 7.00.

3 0
3 years ago
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