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3 years ago

Write the decimal 5.16 as a percent

2 answers:

6 0

When you write a decimal as a percent, you move the decimal point 2 places to the right because you multiply it by 100.
I hope this helps:)) !!

ICE Princess25 [194]3 years ago

6 0

5.16 = 516/100 = 516% as a percent;

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The problem is in the picture :)

frozen [14]

Answer:

Last option: 4

Step-by-step explanation:

The quadratic equation simplified: $x^2-4x=-\frac{7}{2}$ has the form:

$ax^2+bx=c$

In this case, you can identify that "a", "b" and "c" are:

$a=1\\b=-4\\c=-\frac{7}{2}$

To solve this quadratic equation by completing the square, Carlos should add $(\frac{b}{2})^2$ to both sides of the equation. This is:

$(\frac{-4}{2})^2=(-2)^2=4$

Then:

$x^2-4x+4=-\frac{7}{2}+4$

Therefore you can observe that the number he should add to both sides of the equation is: 4

8 0

3 years ago

during a basketball game jorell attempted 40 shots and made 18.He says he made 40% of the shots he took.Is Jorell correct?

Drupady [299]

18 is 45% of 40, so no he is incorrect

6 0

3 years ago

Read 2 more answers

-7x=63<br> Please show full work

STALIN [3.7K]

Answer:

x=70

Step-by-step explanation:

1)Write equation

2)Put line through equal sign

3) under -7n add 7

4)add 7 to 63 also

5)answer 63+7=70

6)x=70

7 0

3 years ago

Read 2 more answers

Simplify 22+[55-{72÷(7+5×2-11)+3}+2]

Minchanka [31]

Answer:

Step-by-step explanation:

In the picture

4 0

3 years ago

A train normally travels 240 km at a certain speed. One day, due

Marrrta [24]

$\large\bf{\underline\red{Good \: Afternoon♡}}$

Normal-travel DATA:

distance = 240 km

rate = x km/h

time = d/r

= 240/x hrs

_______________________

Bad weather DATA:

distance = 240 km

rate = (x-20) km/h

time = 240/(x-20) hrs

______________________

Bad time - normal time = 2 hrs

240/(x-20) - 240/x = 2

120/(x-20) - 120/x = 1

120x -120(x-20) = x(x-20)

20 = x^2 -20x

x^2 - 20x - 20 = 0

x = [20 +- sqrt(20^2 - 4*1*-20)]/2

x = [20 +- sqrt(480)]/2

x = [20 +- 4sqrt(30)]/2

x = 10 +- 2sqrt(30)

6 0

3 years ago