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Tatiana [17]
3 years ago
13

Now I'm just confused. How do I figure these questions out and what is the answer?

Mathematics
1 answer:
mamaluj [8]3 years ago
5 0

Answer :A. O< s<15

Step-by-step explanation:

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alexandera worked 5 hours one day 4.5 hours another and 2.5 another. Find the mean average deviation.
lara31 [8.8K]

Answer:

1.16667

Step-by-step explanation:

3 0
3 years ago
A portable CD player costs $48. How much is 25% of the cost
blsea [12.9K]

x = 48 \times .25
x equals 25% of the cost.
.25 equals 25%
Therefore x=12
The awnser is $12
7 0
3 years ago
The bar graph shows the numbers of reserved campsites at a campground for one week. What percent of the reservations were for Fr
Naddik [55]
There are more than 500 species of sharks swimming in the world's ocean. ... They are found in just about every kind of ocean habitat, including the deep sea, open ocean, coral reefs, and under the Arctic ice.
6 0
3 years ago
Identifying the slope, y-intercept and x- intercept of each
Elena L [17]

Answer:

slope= -3

y-intercept= 6

Step-by-step explanation:

1. Approach

To solve this problem, one needs the slope and the y-intercept. First, one will solve for the slope, using the given points, then input it into the equation of a line in slope-intercept form. The one can solve for the y-intercept.

2.Solve for the slope

The formula to find the slope of a line is;

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where (m) is the variable used to represent the slope.

Use the first two given points, and solve;

(1, 3), (2, 0)

Substitute in,

\frac{(0)-(3)}{(2)-(1)}

Simplify;

\frac{-3}{1}\\\\=-3

3. Put equation into slope-intercept form

The equation of a line in slope-intercept form is;

y = mx + b

Where (m) is the slope, and (b) is the y-intercept.

Since one solved for the slope, substitute that in, then substitute in another point, and solve for the parameter (b).

y=-3x+b

Substitute in point (3, -3)

-3=-3(3)+b\\-3 = -9 + b\\6 = b

4 0
3 years ago
Derek was 4 years 2 months old when he joined school. Today he is 11 years 1 month old. For how long has he been in school?
lora16 [44]

Answer:

hi

Step-by-step explanation:

first of all,we should do this:

1 year is 12 month

amd 4 year is 48 month(12×4)

then we must add 2 months (wich is given) to 48

He was 50 months old when he started school

and we should find how old is he now

11 ×12=132months

132+1=133months

133-50=83 ( he has been 83 months in school)

let's turn it to years 6 years 11 months

( for finding years you should divide 83 to 12)

hope it helps

6 0
2 years ago
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