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irinina [24]
3 years ago
8

Stephanie runs three days a week. She ran 3 2/3 miles on Monday , 4 1/5 miles on Wednesday , and 2 2/9 miles on Friday. How many

miles did she run this week ?
Mathematics
2 answers:
Juliette [100K]3 years ago
8 0
10 4/45 would be it simplified
Jobisdone [24]3 years ago
5 0
If you add all them together you get the answer of 454/45
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Is talking sound energy
kupik [55]

Answer:yes

Step-by-step explanation:

It Is being ur using energy to talk Too talk to people because when u talk a lot u have to breathe more so u basically need energy Andy oxygen to talk

3 0
3 years ago
In triangle PQR, Q=72 degrees, R=32 degrees and PR=12. find PQ
Volgvan

Answer:

6.69 to the nearest hundredth

Step-by-step explanation:

Use the law of sines

Let x = PQ

\frac{sin 72}{12}  = \frac{sin 32}{x}

x sin 72 = 12 sin 32

x = \frac{12 sin 32}{sin 72}

x = 6.69 to the nearest hundredth

6 0
3 years ago
What is 65.047 to 1 decimal place?
Anarel [89]
65.0

This is because 4 is not a big enough number to round up, so you must round down. When it is 5 and over, you can round up.
6 0
3 years ago
Read 2 more answers
Identify the vertex and the axis of symmetry of the graph of the function y=3(x+2)2-3
dedylja [7]
Axis -b/2a=-12/2*3=-2
vertex(-2,-3)
8 0
3 years ago
Use the equation r =2.1x^2 -14.3x +35, where x is the number of years after 2000, to determine the revenue from the sales of U.S
xxMikexx [17]

Answer:

Step-by-step explanation:

Given that:

r = 2.1x^2 - 14.3x + 35

For year 2000; x = 0

So; r (0) = 2.1(0)^2 - 14.3(0) + 35

r (0) =  35

For year 2001; x = 1

r (1) = 2.1(1)^2 - 14.3(1) + 35

r (1) =22.8

For year 2002; x = 2

r (2) = 2.1(2)^2 - 14.3(2) + 35

r (2) = 14.8

For year 2003; x = 3

r (3) = 2.1(3)^2 - 14.3(3) + 35

r (3) = 11

For year 2005; x = 5

r (5) = 2.1(5)^2 - 14.3(5) + 35

r(5) = 16

For year 2010; x = 10

r (10) = 2.1(10)^2 - 14.3(10) + 35

r(10) = 102

For year 2018; x =18

r(18) = 2.1(18)^2 - 14.3 (18) + 35

r(18) = 458

Thus, the table can be presented as seen below.

Year      2000     2001     2002     2003     2005     2010     2018

x               0             1             2            3           5            10         18

r(x)          35          22.8        14.8        11            16         102      458

SO, we will notice that the revenue for the albums starts decreasing and when it reaches the minimum, it started increasing with increasing x.

The attribute behind this trend is because the revenue function r(x) typically implies that it is a quadratic function.

6 0
3 years ago
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