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3 years ago

Solve the equation by completing the sqaure. if necessary round to the nearest hundreth x^2+4x=1

Mathematics

1 answer:

viktelen [127]3 years ago

5 0

Answer:

x = ± √ 5 − 2

Step-by-step explanation:

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Please help answer this

zysi [14]

Answer:

the missing length is 5

Step-by-step explanation:

Since we are given similar triangles, we can simply use proportions to solve the problem:

we say that 2 is to side of length 4, the same as m is to side lengths 10. And in math terms:

$\frac{2}{4} =\frac{m}{10} \\m=\frac{2*10}{4} \\m=\frac{20}{4} = 5$

6 0

3 years ago

Read 2 more answers

{2y-4}=12 what are the solutions?

Hatshy [7]

Answer:

y=8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

7 0

3 years ago

Read 2 more answers

jerry has a jar with 273 marbles in it. the jar can hold 1,000 marbles in all which equation can be used to find m, the number o

barxatty [35]

Step-by-step explanation:

the the equation used is take 1000 marbles - 243 marbles then you'll surely get your answer

7 0

2 years ago

Jordan spent half of his allowance at the

SIZIF [17.4K]

Hello!

If you divided by two then added 8 to reach 17, simply reverse the process, like so:

17 - 8 = 9

9 * 2 = 18

<u>Jordan's allowance is $18</u>

I hope this helps, and have a nice day!

7 0

3 years ago

If its $2.10 for 500ml how much is it for 100 ml per unit

bija089 [108]

To answer this question, all you have to do is divide 2.10 by 5.

2.10 ÷ 5 = 0.42

It is $0.42 for 100 mL

3 0

3 years ago