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Lerok [7]
3 years ago
14

( 3+2 )²simplify it ​

Mathematics
2 answers:
vovangra [49]3 years ago
7 0

Answer:

25

Step-by-step explanation:

Do the work in the brackets first 3+2=5

Now Square it = 5x5=25=5²

Answer=25

Pavlova-9 [17]3 years ago
6 0

Answer:

First we have to finish the brackets, always

3+2=5, so

it will be 5 square

which means you have to multiply 5 by itself

5×5=25

so your answer is 25

Step-by-step explanation:

I hope I explained well, please give me brainliest

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your job pays 8$ per hour Write a variable expression for your pay in dollars for working h hours. What is your pay if you work
lawyer [7]

Answer:

$8h

Your pay is $288 for working 36 hours

Step-by-step explanation:

I hope this helps :)

7 0
3 years ago
If cos(x) = Three-fourths and tan(x) < 0, what is cos(2x)?
makvit [3.9K]

Step-by-step explanation:

The value of sin(2x) is \sin(2x) = - \frac{\sqrt{15}}{8}sin(2x)=−

8

15

How to determine the value of sin(2x)

The cosine ratio is given as:

\cos(x) = -\frac 14cos(x)=−

4

1

Calculate sine(x) using the following identity equation

\sin^2(x) + \cos^2(x) = 1sin

2

(x)+cos

2

(x)=1

So we have:

\sin^2(x) + (1/4)^2 = 1sin

2

(x)+(1/4)

2

=1

\sin^2(x) + 1/16= 1sin

2

(x)+1/16=1

Subtract 1/16 from both sides

\sin^2(x) = 15/16sin

2

(x)=15/16

Take the square root of both sides

\sin(x) = \pm \sqrt{15/16

Given that

tan(x) < 0

It means that:

sin(x) < 0

So, we have:

\sin(x) = -\sqrt{15/16

Simplify

\sin(x) = \sqrt{15}/4sin(x)=

15

/4

sin(2x) is then calculated as:

\sin(2x) = 2\sin(x)\cos(x)sin(2x)=2sin(x)cos(x)

So, we have:

\sin(2x) = -2 * \frac{\sqrt{15}}{4} * \frac 14sin(2x)=−2∗

4

15

∗

4

1

This gives

\sin(2x) = - \frac{\sqrt{15}}{8}sin(2x)=−

8

15

6 0
2 years ago
Read 2 more answers
Easy to read<br> Practice Problems<br> 1.4.-62
svetlana [45]

Answer:

1.4-62=-60.6

Step-by-step explanation:

Ask me if you need any other help!

6 0
3 years ago
What is the answer to question 3. Letter A?
lutik1710 [3]
Your answer should be Line Graph.
6 0
3 years ago
Read 2 more answers
A gallon of paint covers 400 square feet. How many square feet will 2 3/8 gallons of paint cover. How do you solve this problem.
PSYCHO15rus [73]

Answer:

Hey there!

1 gallon=400 square feet

2 3/8 gallon= 400 (2 3/8) square feet

2 3/8 gallon= 950 square feet.

Let me know if this helps :)

5 0
3 years ago
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