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3 years ago

What is the answer to 10x[9÷(8+1)]

Mathematics

2 answers:

Troyanec [42]3 years ago

8 0

Look at the attached picture ⤴

Hope it will help u...

iren [92.7K]3 years ago

4 0

The answer is 0..................

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Help!! BRAINLIEST TOO!

natulia [17]

Answer:

36.5 inches

Step-by-step explanation:

Given

See attachment for the given data

Required

Which length is closest to 4.2lb

The given data is a linear dataset.

So, we start by calculating the slope (m)

$m =\frac{y_2 - y_1}{x_2 - x_1}$

Pick any two corresponding points from the table

So, we have:

$(x_1,y_1) = (8,1.21)$

$(x_2,y_2) = (12,1.63)$

So:

$m =\frac{y_2 - y_1}{x_2 - x_1}$

$m =\frac{1.63 - 1.21}{12 - 8}$

$m =\frac{0.42}{4}$

$m =0.105$

The linear equation is then calculated using:

$y = m(x - x_1) + y_1$

This gives:

$y = 0.105 * (x - 8) + 1.21$

Open bracket

$y = 0.105x - 0.84 + 1.21$

$y = 0.105x + 0.37$

To get the length closest to 4.2lb,

we set $y = 4.2$

Then solve for x

So, we have:

$y = 0.105x + 0.37$

$4.2 = 0.105x + 0.37$

Collect like terms

$0.105x= 4.2 - 0.37$

$0.105x= 3.83$

Solve for x

$x= 3.83/0.105$

$x\approx 36.5$

4 0

3 years ago

A property contained ten acres. How many lots of not less than 50 feet by 100 feet can be subdivided from the property if 26,000

NemiM [27]

Answer:

81 lots of 5,000 square feet fits in the property.

Step-by-step explanation:

The first step is calculate the square feet of the minimum area:

$50 \: feets \times 100 \: feet = 5,000 \:square \: feet$

Second, from the ten acres we subtract the 26,000 feets of roads:

$1 \: acre = 60 \: feet \times 660\:feet = 43,560\:square\:feet\\43,560 \times 10 = 435,600\\435,600 - 26,000 = 409,600 \:square \: feet\:available$

Third, we divide the lot area over the available square feet

$\frac{409,600}{5,000} = 81.92$

81 lots of 5,000 square feet fits in the property.

7 0

4 years ago

What is -6xy(14z-7)?

Leona [35]

$- 6xy(14z - 7) = - 84xyz + 42xy$

5 0

4 years ago

I need that answer pelase asap

dmitriy555 [2]

What's the problem man

3 0

4 years ago

Pls can you help with number 5 and 6

AlekseyPX

The answer to number 5 216 I am sorry if it is wrong

4 0

3 years ago