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3 years ago

(2-6)+(2-1) i have to Evaluate

Mathematics

2 answers:

Paladinen [302]3 years ago

6 0

Answer:

-3 is the answer.

Step-by-step explanation:

Likurg_2 [28]3 years ago

4 0

Answer:

-3

Step-by-step explanation:

....................

...................

answer is -3

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5.) During the school year, teachers save money for use during the summer, when they are

BARSIC [14]

Answer:

Step-by-step explanation

1242 / 23 = 54

He will run out of money in 54 days

3 0

3 years ago

3.01(the 1 is repeating)as a mixed number

Masteriza [31]

The quick and easy answer is 3/100

7 0

4 years ago

You might need: CalculatorThe angle O, is located in Quadrant III, and sin((.)1213What is the value of cos((,)?Express your answ

Wewaii [24]

We know that:

$\sin (\theta_1)=-\frac{12}{13}$

There is also an interesting property that relates the sine and the cosine of an angle:

$\sin ^2(\theta_1)+\cos ^2(\theta_1)=1$

We can find the cosine of theta using this equation:

$\begin{gathered} \cos ^2(\theta_1)=1-\sin ^2(\theta_1) \\ \cos (\theta_1)=\sqrt{1-\sin^2(\theta_1)} \\ \cos (\theta_1)=\sqrt[]{1-(-\frac{12}{13})^2} \\ \lvert\cos (\theta_1)\rvert=\sqrt[]{1-\frac{144}{169}}=\sqrt[]{\frac{25}{169}} \\ \lvert\cos (\theta_1)\rvert=\frac{5}{13} \end{gathered}$

Since theta is in the third quadrant then its cosine must be a negative number so:

$\cos (\theta_1)=-\frac{5}{13}$

3 0

1 year ago

Cany anybody give me the awnser to this?

Olegator [25]

Have a look at the attached image.

8 0

3 years ago

Thank you for this :)

iragen [17]

Blue = 6x3 = 18
Purple = 4 + (5 x 2) = 14
Orange = 2(2 x 3) = 12
Bottom = 6 x 3 = 18
Back = 4 x 3 = 12
Opposite purple = purple = 14

18 + 14 + 12 + 18 + 12 + 14 = 88

Answer = 88 cm squared

5 0

2 years ago