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3 years ago

Which expression is equivalent to 3(6m)+m ?

Mathematics

1 answer:

lianna [129]3 years ago

4 0

Answer:

A. 19m

Step-by-step explanation:

3(6m) + m

Distribute:

18m + m

Add like terms:

19m

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The Smiths want to fence their square garden, which has an area of 289 square feet. What would be the minimum amount of fencing

iVinArrow [24]

Answer:

68 feets of fencing

Step-by-step explanation:

Given that:

Area of square garden = 289 ft²

The side length of square garden can be obtained thus :

Area of a square = s²

Where s = side length

s² = 289

s = sqrt(289)

s = 17

Perimeter of square garden : 4s

Perimeter = 4* 17 = 68 feets

7 0

3 years ago

Evaluate the following.<br><br> [-14]=<br><br> [15]=

____ [38]

I am sure that this problem cannot be solved.

6 0

3 years ago

Read 2 more answers

Express your answer in scientific notation. 4.1 x 10^-2 - 2.6 x 10^-3

bekas [8.4K]

$(4.1 \times {10}^{ - 2}) - (2.6 \times {10}^{ - 3}) = \\$

$(4.1 \times {10}^{ - 2}) - (0.26 \times {10}^{ - 2}) = \\$

$Factoring \: \: {10}^{ - 2}$

$(4.1 - 0.26) \times {10}^{ - 2} =$

$3.84 \times {10}^{ - 2}$

_________________________________

And we're done.

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4 0

3 years ago

What is a point-slope equation of the line with slope - 10 that goes through the point (1.4) Ay- 4 = -10(x - 1) By+43-10(x+1) O

weqwewe [10]

Answer:

y-4=-10(x-1)

Step-by-step explanation:

7 0

3 years ago

Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from r

Alenkinab [10]

Answer:

The 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

Step-by-step explanation:

The given data set is

126, 128, 131, 135, 136, 140, 143, 145, 147, 148, 152, 154, 155, 156, 159, 162, 164, 166, 169, 175

The minimum value of the data is 126 and the maximum value of the data is 175.

Divide the data in two equal parts.

(126, 128, 131, 135, 136, 140, 143, 145, 147, 148), (152, 154, 155, 156, 159, 162, 164, 166, 169, 175)

The median of the data is

$Median=\frac{148+152}{2}=150$

Now divide each parenthesis in two equal parts.

(126, 128, 131, 135, 136), (140, 143, 145, 147, 148), (152, 154, 155, 156, 159), (162, 164, 166, 169, 175)

$Q_1=\frac{136+140}{2}=138$

$Q_3=\frac{159+162}{2}=160.5$

Therefore the 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

8 0

4 years ago