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liubo4ka [24]
3 years ago
9

What is the value of 3 to the 2nd power + 4 to the 2nd power

Mathematics
2 answers:
Naddika [18.5K]3 years ago
7 0
First lets write this out:-

3² + 4² = ?

To solve this first lets find d answer to each exponent den add. lets do it:-

3² = 3 × 3 = 9
3² = 9

4² = 4 × 4 = 16
4² = 16

Now lets solve:-

9 + 16 = 25

So, 3² + 4² = 25

Hope I helped ya!! xD 
Len [333]3 years ago
4 0
<span> - Let's solve:

3^{2} + 4^{2}

We can turn this into:

4*4+3*3


And solve that:

=25 is your answer.
</span>
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When the sun is at a certain angle in the sky, a 50-foot building will cast a -foot shadow. What is the length of the shadow in
Serhud [2]

Answer:

0.40 foot

Step-by-step explanation:

In the first case, a 50 - foot building casts a- foot shadow (1-foot). Let the angle of elevation of the sun from the shadow be represented by θ.

Then:

Tan θ = \frac{opposite}{adjacent}

Tan θ = \frac{50}{1}

Tan θ = 50

⇒ θ = Tan^{-1} 50

      = 88.8542

      = 88.85^{o}

The angle of elevation is approximately 88.85^{o}.

For a 20-foot pole,

Tan θ = \frac{opposite}{adjacent}

Tan 88.85^{o} = \frac{20}{x}

x = \frac{20}{Tan 88.85^{o} }

 = 0.4015

 = 0.40 foot

The length of the shadow of the pole is 0.40 foot.

4 0
3 years ago
What are the Factored and Standard forms? i need help ASAP. Thank you please!
IRINA_888 [86]

Factored form refers to the form of a number or algebraic expression when it has been broken down into a product of its factors

Standard form is a way of writing down very large or very small numbers easily.

4 0
3 years ago
Read 2 more answers
I need help with this and please show your work
Nikolay [14]
5 1/6 * (-2/5) = __
turn 5 1/6 into a mixed fraction
31/6 * (-2/5) = __
multiply
31 * -2 = -62
6 * 5 = 30
so -62/30 or -2 1/15
Hopefully the attachment helps too!

5 0
3 years ago
105,159 rounded to the nearest ten thousand
Dima020 [189]
105,159 rounded to the nearest ten thousand is 100,000
8 0
3 years ago
Read 2 more answers
Am I correct? ( top question)
EastWind [94]

Answer:

72

Step-by-step explanation:

<1 and <2 are not equal to each other

Let the angle  directly above angle 2 (on the right side of the line) be angle 3

<1 and <3 are corresponding angle, which means they are equal

<2 and <3 are supplementary angles since the form a line

<2 + <3 = 180

We know <1 = <3

<1 + <3 = 180

We are given <1 = 2x+12  and <2 = 3x+18

2x+12 + 3x+18 = 180

Combine like terms

5x+30 = 180

Subtract 30 from each side

5x+30-30 = 180-30

5x= 150

Divide each side by 5

5x/5 = 150/5

x=30

<1 = 2x+12

Substitute 30 in for x to find angle 1

   = 2*30 +12

   =60+12

  = 72

6 0
3 years ago
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