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3 years ago

Write the ratio as a fraction in simplest form: 2.35 to 5.25.

Mathematics

1 answer:

Sliva [168]3 years ago

4 0

Step-by-step explanation:

$\frac{2.35}{5.25} = \frac{235}{525} = \frac{47}{105} = 47 \: : \: 105 \\$

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MULTIPLE CHOICE QUESTION

Lostsunrise [7]

Answer: C. 4

Step-by-step explanation:

First, we can prime factorize 52.

52 = 2^2 * 13

13 is not a square number, but 4 is a square number because it equals 2 squared.

Therefore, the correct answer is C. 4

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2 years ago

It says find the surface area of the pyramid. and the answer if the surface area is.

Debora [2.8K]

Answer:

you need to add all those numbers

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3 years ago

What is an integer?

Digiron [165]

Answer:

Step-by-step explanation:

An integer is any whole number (both positive and negative) and zero.

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3 years ago

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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.

barxatty [35]

Answer:

x=9,-1 and $x^2+(-8)x=9$

Explanation:

we have been given with the quadratic equation $x^2-8x-9$

we compare the given quadratic equation with general quadratic equation

general quadratic is $ax^2+bx+c=0$

from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant $D=b^{2}-4ac$

$D=(-8)^2-4(1)(-9)=100$

Now, to find the value of x

Formula is $x=\frac{-b\pm\sqrt{D}}{2a}$

Now, substituting the values we will get

$x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1$

And rewritting the given equation by shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

$x^2+bx=c$

4 0

3 years ago

Read 2 more answers

What times what equals 225?

defon

I got 5 times 45 because I multiplied by 5 to get my answer.

4 0

3 years ago