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3 years ago

Yuma missed 5 points out of a possible 100. What decimal number represents the part of the math test she got right.

Mathematics

1 answer:

CaHeK987 [17]3 years ago

3 0

0.95

Consider this question in terms of percentages ( that is, out of 100)

she got 95 questions right → 95% = $\frac{95}{100}$ = 0.95

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Amount Accumulated: ?

zalisa [80]

Answer:

Year 1

4% of $1,000 is $40

Year 2

4% of $1,040 is $41.6

The Princple has accumulated $1,081.60 dollars.

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3 years ago

Jorge took 4 minutes to run 1/2 mile. How long will it take him to run 3 miles?

pychu [463]

Answer:

It will take him 24 minutes

Step-by-step explanation:

If it takes him 4 for minutes to run 1/2 mile, then it will most likely take him 8 minutes for 1 mile. Then you multiply 8 by 3, which gives you 24

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2 years ago

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Answer:

Step-by-step explanation:

5 comes from point M

I hope this is good enough for you:

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2 years ago

Find the value of x² - x+1 when x=√3 -1, in the form a+b√3 where a and b are integers

lidiya [134]

Answer:

$6-3\sqrt{3}$

If you compare this to $a+b\sqrt{3}$ , then $a=6$ and $b=-3$ .

Step-by-step explanation:

We are given $x=\sqrt{3}-1$ and we are asked to find the value of $x^2-x+1$ .

So we will need to find $x^2$ .

$x=\sqrt{3}-1$

Square both sides:

$x^2=(\sqrt{3}-1)^2$

Expand using identity: $(x-a)^2=x^2-2ax+a^2$ .

$x^2=(\sqrt{3})^2-2(\sqrt{3})(1)+1^2$

$x^2=3-2\sqrt{3}+1$

$x^2=4-2\sqrt{3}$

Let's go back to the full $x^2-x+1$ .

$x^2-x+1$

$(4-2\sqrt{3})-(\sqrt{3}-1)+1$

$4-2\sqrt{3}-\sqrt{3}+1+1$

$6-3\sqrt{3}$

If you compare this to $a+b\sqrt{3}$ , then $a=6$ and $b=-3$ .

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3 years ago

Which equation represents the line through (0,0) and (3, 4)?

Andreas93 [3]

Answer:

3-0

=4/3

<u>y-0</u> =4/3

x-0

3y-0=4x-0

3y=4x

y=4/3x

Step-by-step explanation:

7 0

2 years ago