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zimovet [89]
3 years ago
8

Which unit of measure would you use to weigh your bike?

Mathematics
2 answers:
Pavel [41]3 years ago
6 0
Pounds is the correct unit of measure
Y_Kistochka [10]3 years ago
4 0
You would use pounds to weigh your bike
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B. If instead you divide first to solve the equation, what<br> operation would you need to use last?
Sedbober [7]

Answer:

use  PEDMAS

P: PARENTHESIS

E: EXPONENTS

D: DIVISON

M: MULTIPLICATION

A: ADDITION

S: SUBTRACTION

Step-by-step explanation:

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3 years ago
Approximate the value of square root of 44 to the nearest hundred
ryzh [129]
The answer is 6.63 Hope this helps!
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Clearly mark on the coordinate plane the location of the ordered pairs and
ladessa [460]

Answer:

Point J(4,0) lies on x-axis and point M(-2,-3) lies quadrant III.

Step-by-step explanation:

A coordinate plane is a plane that is divided into four quadrants by the coordinate axes.

Here, coordinate axes are x-axis and y-axis.

Let's first mark the points in the coordinate plane.

See the attached figure.

From the figure, it can be observed that point J(4,0) lies on x-axis and point M(-2,-3) lies quadrant III.

3 0
3 years ago
81 x 11<br> 73 x82<br> 64 x 55<br> 27 x 63<br> 24 x 25<br> 47 x 63<br> 24 x 44
zubka84 [21]
81 times 11 is 891
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4 0
3 years ago
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A box with a rectangular base and open top must have a volume of 128 f t 3 . The length of the base is twice the width of base.
noname [10]

Answer:

Width = 4ft

Height = 4ft

Length = 8ft

Step-by-step explanation:

Given

Volume = 128ft^3

L = 2W

Base\ Cost = \$9/ft^2

Sides\ Cost = \$6/ft^2

Required

The dimension that minimizes the cost

The volume is:

Volume = LWH

This gives:

128 = LWH

Substitute L = 2W

128 = 2W * WH

128 = 2W^2H

Make H the subject

H = \frac{128}{2W^2}

H = \frac{64}{W^2}

The surface area is:

Area = Area of Bottom + Area of Sides

So, we have:

A = LW + 2(WH + LH)

The cost is:

Cost = 9 * LW + 6 * 2(WH + LH)

Cost = 9 * LW + 12(WH + LH)

Cost = 9 * LW + 12H(W + L)

Substitute: H = \frac{64}{W^2} and L = 2W

Cost =9*2W*W + 12 * \frac{64}{W^2}(W + 2W)

Cost =18W^2 +  \frac{768}{W^2}*3W

Cost =18W^2 +  \frac{2304}{W}

To minimize the cost, we differentiate

C' =2*18W +  -1 * 2304W^{-2}

Then set to 0

2*18W +  -1 * 2304W^{-2} =0

36W - 2304W^{-2} =0

Rewrite as:

36W = 2304W^{-2}

Divide both sides by W

36 = 2304W^{-3}

Rewrite as:

36 = \frac{2304}{W^3}

Solve for W^3

W^3 = \frac{2304}{36}

W^3 = 64

Take cube roots

W = 4

Recall that:

L = 2W

L = 2 * 4

L = 8

H = \frac{64}{W^2}

H = \frac{64}{4^2}

H = \frac{64}{16}

H = 4

Hence, the dimension that minimizes the cost is:

Width = 4ft

Height = 4ft

Length = 8ft

8 0
3 years ago
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