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Paladinen [302]
3 years ago
7

What is 2 and 1 3rd times 5​

Mathematics
2 answers:
DedPeter [7]3 years ago
5 0
2 1/3 = (mixed # x denominator) + numerator/ denominator

= 2x3+1/ 3= 7/3



7/3 x 5= 35/3= 11 2/3



scZoUnD [109]3 years ago
4 0

Answer:

2\frac{1}{3}x5=11\frac{2}{3}

Step-by-step explanation:

5x2=10

\frac{1}{3}x5=\frac{5}{3}

\frac{5}{3}=1\frac{2}{3}

10+1\frac{2}{3}=11\frac{2}{3}

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Let u=  (-1,3) and w =(2,4) Find the resulting vector of 2u-4w  in component form..
IgorLugansk [536]
Very simple. You just use the vectors as normal numbers, and multiply the coordinates with 2 and 4 like this: 

2*u = 2* (2,4) = (4,8)
4*w = 4* (-1,3) = (-4,12)

(4,8) - (-4,12) = (8,-4)

So the vector has the coordinates (8,-4)

7 0
3 years ago
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Identify the diameter of the disc. HELP ASAP!!
Hoochie [10]

Answer:

9 in

Step-by-step explanation:

The diameter of a circle is a chord or line that passes through the center point of a circle. It's like a radius, except the line extends to the other side

Hope this helps!

JoeyHill

7 0
3 years ago
Which choice correctly shows rounding to the hundredths place?
Romashka-Z-Leto [24]
Choice A is false because they are rounding to the nearest tenth (one decimal place) and not nearest hundredth (two decimal places)

Choice B is false as well because 3.825 should round to 3.83. The 5 at the end tells you to round up. 

Choice C is false too. The value 3.824 should round to 3.82. Not sure how they got 3.81, so it seems like a deliberate trick question or silly answer.

Choice D is true. The three decimal values are rounded properly to the correct number of decimal places. 

Therefore choice D is the answer
4 0
3 years ago
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2x-1/4 + x/3 = 2<br> Solve the equation
Marta_Voda [28]

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7 0
2 years ago
Construct the indicated confidence interval for the difference between the two population means. Assume that the two samples are
Kruka [31]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = sample mean of type A paint

x2 = sample mean of type B paint

s1 = sample standard deviation type A paint

s2 = sample standard for type B paint

n1 = number of samples of type A paint

n2 = number of samples of type B paint

From the information given,

x1 = 75.7

s1 = 4.5

n1 = 11

x2 = 64.3

s2 = 5.1

n2 = 9

x1 - x2 = 75.7 - 64.3 = 11.4

√(s1²/n1 + s2²/n2) = √(4.5²/11 + 5.1²/9) = √4.709

Degree of freedom = (n1 - 1) + (n2 - 1)

df = (11 - 1) + (9 - 1) = 18

For the 98% confidence interval, the z score from the t distribution table is 2.552

Margin of error = 2.552√4.709 = 5.55

The upper boundary for the confidence interval is

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The lower boundary for the confidence interval is

11.4 - 5.55 = 5.85 hours

The correct option is

B. 5.85 hrs < μ1 - μ2 < 16.95 hrs

4 0
3 years ago
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