3 years ago

Janice brought 5.5m of fabric about how many yards of fabric does she have

Mathematics

1 answer:

DanielleElmas [232]3 years ago

3 0

She has 6.015 yards of fabric

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Sedbober [7]

Answer: y - 9 = 2(x - 5)

Step-by-step explanation:

Point slope form: y - y1 = m(x - x1)

substitute 5 for x1 and 9 for y1 and 2 for m

x1 = 5

y1 = 9

m = 2

you get y - 9 = 2(x - 5)

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3 years ago

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Evaluate the expression 7x2y, when x = 4 and y = 2.<br> 112<br> 224<br> 542<br> 718

cricket20 [7]

Answer:

224

Step-by-step explanation:

Substitute x = 4 and y = 2 into the expression and evaluate

7x²y = 7 × 4² × 2 = 7 × 16 × 2 = 7 × 32 = 224

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3 years ago

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Given the relationship x2 + 3y2 =12, with y > 0 and dx, dt = 2 units/min., find the value of dy, dt at the instant y = 1 unit

matrenka [14]

$\bf x^2+3y^2=12\implies \stackrel{chain~rule}{2x\cfrac{dx}{dt}}+3 \stackrel{chain~rule}{\left(2y\cfrac{dy}{dt}\right)}=0
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\boxed{\cfrac{dy}{dt}=-\cfrac{x\frac{dx}{dt}}{3y}}\\\\
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$\bf \textit{now, when y = 1, what is \underline{x}?}\qquad x^2+3y^2=12\implies x^2+3(1)^2=12
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\begin{cases}
y=1\\
x=3\\
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3 years ago

Two-Step Equations 2/5x−3=−17

Lina20 [59]

Answer:

x =-35

Step-by-step explanation:

2/5x−3=−17

Add 3 to each side

2/5x−3+3=−17+3

2/5x = -14

Multiply each side by 5/2

5/2 * 2/5x = -14 * 5/2

x = -35

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3 years ago

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Help needed ASAP will give brainliest and 5 STARS RATE

Burka [1]

Answer:

I think It might be A

Step-by-step explanation:

Don't trust me tho

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3 years ago