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elena-14-01-66 [18.8K]
3 years ago
13

Jenna is a swimmer and trains every day. The schedule shown outlines the number of hours she trains each day. If she misses the

Wednesday practice, what is the total number of hours that she trains?
Mathematics
2 answers:
Xelga [282]3 years ago
8 0

Answer:

honestly dont know

Step-by-step explanation:

77julia77 [94]3 years ago
3 0

Answer:

How many hours does she train a day? you can't answer the question if you don't know how much she trains per day

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Write a function g whose graph represents a reflection in the y-axis followed by a translation 3 units to the right of the graph
svp [43]

Answer:

g(x)  = |x - 3|

Step-by-step explanation:

Given

f(x) = |x|

Required

Translate 3 units right

The result of a right translated function is:

g(x) = f(x - h)

<em>Where h is the unit of translation</em>

<em></em>h = 3<em></em>

<em></em>

<em></em>g(x) = f(x - 3)<em></em>

Solve for f(x - 3)

f(x) = |x|

f(x - 3) = |x - 3|

Hence;

g(x)  = |x - 3|

6 0
3 years ago
In the sahara desert one day it was 146 degrees F .in the Gobi desert the temperature of - 54 degrees f was recorded what is the
ankoles [38]

Answer:

200

146- (-54)= 200

or use a number line

7 0
3 years ago
Mark works at the mall 3 hours on Friday and 5 hours on Saturday. He gets a
zvonat [6]

Answer:

$7.50

Step-by-step explanation:

3 hours + 5 hours = 8 hours

8 hours = $85 (total) - $25 (allowance)

8 hours = $60 (money earned from work)

1 hour = $60 ÷ 8 (hours he worked)

1 hour = $7.50

5 0
3 years ago
SIMPLIFY
faust18 [17]
Are you sure the options are what u have written above? because sqrt of 5x=sqrt of 5x,
sqrt of 20x=2•sqrt of 5x,and sqrt of 80x= 4•sqrt of 5x..
4 0
3 years ago
Find the numbers b such that the average value of f(x) = 7 + 10x − 9x2 on the interval [0, b] is equal to 8.
barxatty [35]

Answer:

The numbers b such that the average value of f(x) = 7 +10\cdot x - 9\cdot x^{2} on the interval [0, b] is equal to 8 are b_{1} \approx 1.434 and b_{2} \approx 0.232.

Step-by-step explanation:

The mean value of function within a given interval is given by the following integral:

\bar f = \frac{1}{b-a}\cdot \int\limits^b_a {f(x)} \, dx

If f(x) = 7 +10\cdot x - 9\cdot x^{2}, a = 0, b = b and \bar f = 8, then:

\frac{1}{b}\cdot \int\limits^b_0 {7+10\cdot x -9\cdot x^{2}} \, dx = 8

\frac{7}{b}\int\limits^b_0 \, dx  + \frac{10}{b}  \int\limits^b_0 {x}\, dx - \frac{9}{b}  \int\limits^b_0 {x^{2}}\, dx = 8

\left(\frac{7}{b} \right)\cdot b + \left(\frac{10}{b} \right)\cdot \left(\frac{b^{2}}{2} \right)-\left(\frac{9}{b} \right)\cdot \left(\frac{b^{3}}{3} \right) = 8

7 + 5\cdot b - 3\cdot b^{2} = 8

3\cdot b^{2}-5\cdot b +1 = 0

The roots of this polynomial are determined by the Quadratic Formula:

b_{1} \approx 1.434 and b_{2} \approx 0.232.

The numbers b such that the average value of f(x) = 7 +10\cdot x - 9\cdot x^{2} on the interval [0, b] is equal to 8 are b_{1} \approx 1.434 and b_{2} \approx 0.232.

7 0
3 years ago
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