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JulsSmile [24]
3 years ago
5

What is 450,000 expressed in scientific notation?

Mathematics
2 answers:
VMariaS [17]3 years ago
6 0
4.5 X 10^5 is your answer
FinnZ [79.3K]3 years ago
3 0
450,000 in scientific notation is: 4.5 × 10⁴

*Remeber: In scientific notation, you can only have numbers between 1 and 10. 

I hope I helped :)
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Solve for x: -2 + 3y= y - 2 - 4y *
alexdok [17]

Answer:

Step-by-step explanation:Step 1: Simplify both sides of the equation.

−2+3y=y−2−4y

−2+3y=y+−2+−4y

3y−2=(y+−4y)+(−2)(Combine Like Terms)

3y−2=−3y+−2

3y−2=−3y−2

Step 2: Add 3y to both sides.

3y−2+3y=−3y−2+3y

6y−2=−2

Step 3: Add 2 to both sides.

6y−2+2=−2+2

6y=0

Step 4: Divide both sides by 6.

6y

6

=

0

6

y=0

Answer:

y=0

3 0
3 years ago
WILL GIVE BRAINLIEST! <br>What is the answer for question (iv)? <br>please help! ​
Leviafan [203]

Step-by-step explanation:

\triangle ABC \sim \triangle ADE... (given) \\\\\therefore \frac {AC}{AE} = \frac {BC}{DE}.. (csst) \\\\\therefore \frac {5}{5+2x} = \frac {x+3}{4x+1}\\ \\ \therefore \: 5(4x + 1) = (5 + 2x)(x + 3) \\ \therefore \:20x + 5 = 5x + 15 + 2 {x}^{2}  + 6x \\ \therefore \:20x + 5 =2 {x}^{2} +  11x + 15 \\ \therefore \:2 {x}^{2} +  11x + 15 -2 0x  - 5 = 0\\  \therefore \:2 {x}^{2}  - 9x + 10 = 0\\ \therefore \:2 {x}^{2}  - 5x   -  4x+ 10 = 0\\ \therefore \:x(2x - 5) - 2(2x - 5) = 0 \\ \therefore \:(2x - 5)(x - 2) = 0 \\ 2x - 5 = 0  \:  \: or \:  \: x - 2 = 0 \\ x =  \frac{5}{2} \:  \:  or \:  \: x = 2 \\ x = 2.5 \:  \: or \: x = 2 \\ x = 2.5 \: is \: largest \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{AC ^{2} } {AE^{2} } \\  \\ \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{5 ^{2} } {(5 + 2x)^{2} } \\  =  \frac{25}{(5 + 2 \times 2.5)^{2} }  \\  =  \frac{25}{ {10}^{2} }  \\  =  \frac{25}{100}  \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{1}{4}  \\

5 0
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A function of the form fx) = ab' is modified so that the b value remains the same but the a value is increased by 2.
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Answer:

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Step-by-step explanation:

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4 0
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Answer:

B. [3,5]

Step-by-step explanation:

You had it right.

5 0
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4 0
3 years ago
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