3 years ago

Rewrite the expression using grouping symbols 13x - 29x

Mathematics

1 answer:

zhenek [66]3 years ago

3 0

Does it mean factor it out??
x (13-29)

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Sydney bought a 4-pound bag of brown rice at the grocery store. The nutritional information showed that the bag

FromTheMoon [43]

Answer:

1.72973 oz/serving. Perhaps round to 1.73 oz, although there is only 1 sig fig in "4-pound bag." But the problem states "exactly."

Step-by-step explanation:

We want oz/serving, so let's convert the pounds of rice to total ounces of rice:

We are told that 16 oz = 1 pound. Make that a conversion factor: (16 oz/1 pound)

(4 pounds)*((16 oz/1 pound) = 64 ounces

We are told that 4 pounds (64 ounces) makes 37 servings. So:

(64 ounces)/(37 servings) = 1.72973 oz/serving

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2 years ago

A movie, including the previews, is 2 hours and 40

ra1l [238]

Answer:

7/8

Step-by-step explanation:

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3 years ago

Evaluate the integral:<br> dx / e^(pie*x) from 2 (upper bound) to 0.

kenny6666 [7]

Substitution:
u = - π x
d u = - π d x
d x = - d u / π
----------------------
$-1/ \pi \int\limits^2_0 {e ^{u} } \, du =- \frac{e ^{- \pi x} }{ \pi } = \\ -1/ \pi (e ^{-2 \pi } -1) = \\ = \frac{1}{ \pi } - \frac{1}{ \pi e ^{2 \pi } }$

7 0

3 years ago

The width and length of a rectangle are consecutive integers. if the perimeter of the rectangle is 374 inches, find the width an

shtirl [24]

2(93+94)=374 . It is the answer it was obtained by trial and error method

4 0

3 years ago

The perimeter of a square in which A=169cm square root 2?

sergey [27]

I'm guessing you mean:
$A = 169 \sqrt{2}$

If not, correct me.

So, then the perimeter of a square is just 4*A, which in this case would be:
$4(169 \sqrt{2}) = 676 \sqrt{2}$

And that would be your answer: $676 \sqrt{2}$ units²

7 0

3 years ago