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noname [10]
3 years ago
8

HElpPpPp mEeEe pLeAsE

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

<em>b</em><em> </em><em>=</em><em> </em><em>44</em><em> </em><em>feet</em><em> </em>

Step-by-step explanation:

BY Pythagorus theorem :-

=》

55 {}^{2}  = 33 {}^{2}   + b {}^{2}

=》

3025  = b {}^{2}  + 1089

=》

b {}^{2}  = 3025 - 1089

=》

b {}^{2}  = 1936

=》

b =  \sqrt{1936}

=》

b = 44

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If f(x) = -2x^2 + x–5, what is f(3)?
yan [13]

Answer:

-20

Step-by-step explanation:

Replace X by 3

f(3) = -2(3)^2+ (3)-5 = -20

7 0
3 years ago
Simplify the quotient (4.5 x 10^3)/(9 x 10^7 ). Write your answer in scientific notation. Show your work.
marishachu [46]
To answer the problem above, divide the numerical portion and the exponential portion of the given numbers. 4.5 divided by 9 is 0.5. Furthermore, 10^3 divided by 10^7 is 10^-4. The answer is 
                    
                                            0.5 x 10^-4

This may still be written in a standard form,
 
                                               5 x 10^-5

Thus, the answer is <em>5 x 10^-5</em>. 
                                    
5 0
3 years ago
Read 2 more answers
What was steve irwin's last words ?
vivado [14]

Answer:

Tell my kids I’ll hate them when i die cause i lost my phone

Step-by-step explanation:

Cow man mooing

7 0
3 years ago
15f-8f+13=55 solve for F there both the same number
julsineya [31]
15f -8f+ 13= 55
⇒ 7f+ 13= 55
⇒ 7f= 55- 13
⇒ 7f= 42
⇒ f= 42/7
⇒ f=6

Final answer: f=6~
8 0
3 years ago
Use the information given to enter an equation in standard form. (−1, 1) and (0, 6) are on the line.
liubo4ka [24]

Answer: -5x+y=6

Step-by-step explanation:

Given

Points on line (-1,1)\ \text{and}\ (0,6)

The standard form of an equation is ax+by=c

Using the two-point form of a line

\Rightarrow \dfrac{y-1}{x+1}=\dfrac{6-1}{0+1}\\\Rightarrow \dfrac{y-1}{x+1}=\dfrac{5}{1}\\\Rightarrow y-1=5x+5\\\Rightarrow y-5x=6\\\Rightarrow -5x+y=6

7 0
3 years ago
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