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sweet-ann [11.9K]
3 years ago
10

Casey spent $2.50 on a snack,$1.24 on gum,$3.76 on a comic book, and $5.50 on lunch. Use mental math to find the total amount he

spent.
Mathematics
1 answer:
stellarik [79]3 years ago
5 0

Answer:

$13

Step-by-step explanation:

Given data

$2.50 on a snack,

$1.24 on gum,

$3.76 on a comic book, and

$5.50 on lunch

Total expenses will be

=2.5+1.24+3.76+5.50

=$13

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storchak [24]

Answer:

a) The percentage of adults who smoke are decreasing with time. b) the equation that best described this data is y=-0.3364x+22.809 (R^2=0.859) in which y is the percentage of adults who smoke and x the number of years. c) the percentage of adults who smoke will be 19.8% and it will not meet the expected 12%, it would take 32 years to reach that value.

Step-by-step explanation:

The data can be plotted to which years is the independent variable and percentage of adults who smoke is the dependent variable. The linear trendline that described this data has a negative slope which indicates that the percentage of adults is decreasing with time. In order to determine if the OSH target is being met, the x is replaced by 9 which is the goal period of nine years. The y is 19% which is higher than the 12% goal. In order to know the period it will take to the reach the goal of 12%, the y is replaced by 12 in the curve and the x is the answer in years = 32 years.  

6 0
3 years ago
How do you write 5,920,178 in expanded form
Rina8888 [55]
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7 0
3 years ago
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In a class⅗ of the children are going to special event If there are 30 children in the class,how many are going​
irinina [24]

Answer:

18

Step-by-step explanation:

3/5 x 30

(3 times 30)divided by 5

= 18 children are going.

Hope this helps:-)

4 0
3 years ago
Please explain and show work
Vinvika [58]
1*3/5 = 3/5.
3/5(t-6) = -0.4
Distribute 3/5
3/5t - 3.6 = -0.4
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Divide by 3/5 
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6 0
3 years ago
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The diameter of a sphere is 4 centimeters.
ELEN [110]
The volume of a sphere refers to the number of cubic units that will exactly fill a sphere. The volume of a sphere can be found or calculate by using the formula V=4/3πr^3, where r represents the radius of the figure.

In this exercise is given that a sphere has a radius of 4 centimeters and it is asked to find its volume and use 3.14 as the value of π or pi. The first step would be substitute the values into the previous mention formula.

V=4/3πr^3
V=4/3(3.14)(4 cm)^3
V=4/3)(3.14)(64 cm^3)
V=267.9 cm^3
The volume of the sphere is 267.9 cubic centimeters.

7 0
3 years ago
Read 2 more answers
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