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3 years ago

Please help me asap!!

Mathematics

2 answers:

lara31 [8.8K]3 years ago

5 0

35
Jdmd I eu to the form that

Alika [10]3 years ago

3 0

Answer:

Step-by-step explanation:

what I did was add GJ together and imaged it in my head to see if it would fit... I'm not sure tho

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Write the mixed number as a percent.<br> 4 7/500

riadik2000 [5.3K]

Answer:

4 7/500 as a percent is 401.4%

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3 years ago

Put these in order from least to greatest 0.5, -3/2, -1 1/3, - 2.25<br> Please help

makvit [3.9K]

Answer:

-11/3, -2.25, -3/2, 0.5

Step-by-step explanation:

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3 years ago

Sergey is solving 5x2 + 20% – 7 = 0. Which steps could he use to solve the quadratic equation by completing the

Mrac [35]

Answer:

$5(x^2+4x)=7$

$5(x^2+4x+4)=7+20$

$(x+2)=\pm\sqrt{\frac{27}{5}}$

Step-by-step explanation:

we have

$5x^2+20x-7=0$

step 1

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$5x^2+20x=7$

step 2

Factor 5 left side

$5(x^2+4x)=7$

step 3

Complete the square

$5(x^2+4x+2^2)=7+2^2(5)$

$5(x^2+4x+4)=7+20$

$5(x^2+4x+4)=27$

step 4

Rewrite as perfect squares

$5(x+2)^2=27$

step 5

$(x+2)^2=\frac{27}{5}$

$(x+2)=\pm\sqrt{\frac{27}{5}}$

$(x+2)=\pm\frac{3\sqrt{15}}{5}$

step 6

$x=-2\pm\frac{3\sqrt{15}}{5}$

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3 years ago

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Whats the key way to resolve reading math problems

Lady bird [3.3K]

I would say read it well and then write down an equation or expression to represent the data so its easier for you to understand and/or solve.

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Step by step guide
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