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4 years ago

13

Xander has 10 pieces of twine that he is using for a project. If each piece of twine is 1/3 yard long, what is the total length

of twine that Xander has?

1 answer:

vovikov84 [41]4 years ago

8 0

1 yard (3/3) is equal to 3 feet, then 10/3 is equals to 10 feet

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When adding fractions does the denominator stay the same?

hodyreva [135]

Answer: yes

Step-by-step explanation:

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3 years ago

Simplify the following expression by combining like terms.

Aleks04 [339]

Answer:

8x^2+3x

Step-by-step explanation:

What I read is 2x+8x^2-4x+5x

combining like terms means putting the terms that have the same variable part together

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so 8x^2+2x-4x+5x

We just need to figure out 2-4+5 which is -2+5=3

So the answer is 8x^2+3x

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3 years ago

Find an equation for the perpendicular bisector of the line segment whose endpoints are (1,−8) and (9,2)

Len [333]

Answer: $y+3=-\frac{4}{5}(x-5)$

Step-by-step explanation:

For it to bisect the segment, we need to find the midpoint.

The midpoint is $\left(\frac{1+9}{2}, \frac{-8+2}{2} \right)=(5, -3)$

Now, for it to be perpendicular, we need to use the fact that perpendicular lines have slopes that are negative reciprocals of each other.

The slope of the given segment is $\frac{-8-2}{1-9}=\frac{5}{4}$ , so the slope of the perpendicular bisector is $-\frac{4}{5}$

Thus, the equation of the line in point-slope form is $\boxed{y+3=-\frac{4}{5}(x-5)}$

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2 years ago

Would appreciate any help! ranking brainliest ofc

UNO [17]

Answer:i believe its 64 but i do apoligize if im wrong

Step-by-step explanation:

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3 years ago

A teacher buys some pencils.

sammy [17]

Answer:

y=2x(.10)

Step-by-step explanation:

I think this is correct but it is 0.10 times 2 because it is 2 pencils/student and each pencil cost 10 cents. We multiply by x because we need to have 2 for each student

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3 years ago