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Stolb23 [73]
3 years ago
11

How old am I if 1,114 reduced by twice my age is 400?

Mathematics
2 answers:
olasank [31]3 years ago
6 0

Answer:

357

Step-by-step explanation:

Create an equation:

Let x represent your age.

1114 - 2x = 400

Solve for x:

1114 - 1114 - 2x = 400 - 1114

-2x = -714

-2x / -2 = -714/-2

x = 357

hope this helps. p.s. i really need brainliest :)

Natasha_Volkova [10]3 years ago
5 0

Answer:

13

Step-by-step explanation:

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Answer:

They are equal

Step-by-step explanation:

Given

\frac{3}{27}\ and\ \frac{1}{9}

Required

Determine if they are equal

We start by equating both:

\frac{3}{27} = \frac{1}{9}

Cross Multiply

3 * 9 = 1 * 27

27 = 27

<em>Because both sides of the equation are equal, then the ratios are equal</em>

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A shipping manager weighed a random sample from a shipment of 90 boxes and made the dot plot below. What is the mode of the dot
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Answer:

the answer is 28

Step-by-step explanation:

the mode is what comes up the most and 28 is the only one with 2

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The solution is??? 3m-2/3-2m+1/4=2/12
zloy xaker [14]

3·m - 2/3 - 2·m + 1/4 = 2/12

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7 0
3 years ago
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Find the slope of the line through the pair of points: (5, 20) and (4, -17)
aliya0001 [1]

Answer:

m (slope) = 37

Step-by-step explanation:

use the slope-line formula, y2 - y1/x2 - x1

put in coordinates (5, 20) for x1 and y1

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3 years ago
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The Wind Mountain excavation site in New Mexico is an important archaeological location of the ancient Native American Anasazi c
timurjin [86]

Answer:

a) 28

b)

Class Limits  Class Boundaries   Midpoint    f      Rf         Cf

10 - 37            9.5-37.5                   23.5            7     0.096     7      

38 - 65           37.5-65.5                 51.5           25    0.342     32    

66 - 93           65.5-93.5                 79.5          26    0.356     58    

94 -  121        93.5-121.5                   107.5         9     0.123       67    

122 - 149      121.5-149.5                  135.5         5      0.068     72  

150 - 177       149.5-177.5                  163.5        0         0.0      72    

178 - 205       177.5-20.5                  191.5         1       0.014      73  

Total                                                                  73          1.0    

c)

The histogram is in attached file.

Step-by-step explanation:

a)

The width of class interval=range/desired number of classes

The width of class interval=(maximum-minimum)/7

The width of class interval=(200-10)/7

The width of class interval=190/7

The width of class interval=27.14=28 (rounded to next whole number)

Part(b) and part (c) is explained in attached word document.

Download docx
5 0
3 years ago
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