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Nana76 [90]
3 years ago
8

Please help, I can not figure out any of these questions.

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0

Answer:

i dont now sorry

Step-by-step explanation:

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mmme fhvguefugwqfguise

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Write 0.342 as a fraction, reduced to lowest terms.
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, 342/1000 = 171/500.
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Nico had 31/2 yards of fabric. He used 2/3 yard to make a pillow cover and 1/3 yard to make a scarf. How much fabric does Nico h
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. Multiply (3x+2)(4x-7)
aleksklad [387]

Answer:

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Step-by-step explanation:

(3x+2)(4x-7)

Multiply out 3x first then 2

(3x * 4x) - (3x * -7) + (2 * 4x) + (2 * -7)

12x^{2} - (- 21x) + 8x + ( -14)

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12x^{2}  + 29x - 14

4 0
3 years ago
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Find r if (r, 6) and (5, -4) are two points on a line with a slope of 5/7 (Hint: use the slope formula)
andreyandreev [35.5K]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have

(r,\ 6),\ (5,\ -4)\\\\m=\dfrac{5}{7}

Substitute

\dfrac{-4-6}{5-r}=\dfrac{5}{7}\\\\\dfrac{-10}{5-r}=\dfrac{5}{7}\qquad|\text{cross multiply}\\\\5(5-r)=(-10)(7)\qquad|\text{use distributive property}\\\\25-5r=-70\qquad|-25\\\\-5r=-95\qquad|:(-5)\\\\\boxed{r=19}

4 0
3 years ago
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