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3 years ago

Abbey's class is made up of 21 students--11 girls and 10 boys. What is the ratio of girls to boys?

Mathematics

2 answers:

DanielleElmas [232]3 years ago

7 0

Answer:

B is the number one answer

dybincka [34]3 years ago

4 0

B for number 1 and i’ll figure out the rest

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If triangles ADE and ABC shown in the figure below are similar, what is the value of X?

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Step-by-step explanation:

because when slipt into a traingle they will be similar

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3 years ago

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3 years ago

A whole number is multiplied by six. What must the answer be?

Delvig [45]

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C is the correct one

Step-by-step explanation:

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3 years ago

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Complete the data table for the function f(x) = -x - 2 + 2.

alexgriva [62]

Given the following function:

$\text{ f(x) = }\sqrt[]{-x\text{ -2}}\text{ + 2}$

y = f(x)

Therefore, let's complete the data table by substituting each x-values to be able to get the respective y-values,

We get,

At x = -2,

$\text{ y = f(x) = }\sqrt[]{-x-2}\text{ + 2}$ $\text{f(-2) = }\sqrt[]{-(-2)-2}\text{ + 2}$ $\text{ = }\sqrt[]{2\text{ - 2}}\text{ + 2}$ $\text{ = }\sqrt[]{0}\text{ + 2}$ $\text{ y = f(-2) = 2}$

Therefore, y = 2 at x = -2.

At x = -3,

$\text{ y = f(x) = }\sqrt[]{-x-2}\text{ + 2}$ $\text{f(-3) = }\sqrt[]{-(-3)-2}\text{ + 2}$ $\text{= }\sqrt[]{3-2}\text{ + 2}$ $\text{= }\sqrt[]{1}\text{ + 2}$ $\text{= }1\text{ + 2}$ $\text{ f(-3) = 3}$

Therefore, y = 3 at x = -3.

At x = -6,

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1 year ago

What is the product written in scientific notation?

never [62]

$(1.18\cdot10^3)\cdot(9.1\cdot10^{-6})=(1.18\cdot9.1)(10^3\cdot10^{-6})\\\\=10.738\cdot10^{3+(-6)}=1.0738\cdot10\cdot10^{-3}\\\\=1.0738\cdot10^{1+(-3)}=1.0738\cdot10^{-2}\\\\Used:\\\\a^n\cdot a^m=a^{n+m}$

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3 years ago