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hoa [83]
3 years ago
14

elander goes to baseball practice on mondays and thursdays. each practice lasts 2.15 hours. how many hours of baseball practice

does evander attend in 3 weeks?​
Mathematics
1 answer:
RoseWind [281]3 years ago
3 0

Answer:

12.9 hours.

Step-by-step explanation:

First, do 2.15 hours multiplied by 2, for each day. Then, multiply 4.30 by the 3 for 3 weeks.

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PLZZZ HELP
Nadya [2.5K]

Answer:

The average rate of change of h(x) in the given interval is 7.

Step-by-step explanation:

When we want to find the average rate of change of a function f(x), in an interval a < x < b, we just need to calculate:

r = \frac{f(b) - f(a)}{b - a}

Here we have:

h(x) = 2*x^2 - 7*x

And we want to find the average rate of change between x = 2 and x = 5

This will be:

r = \frac{h(5) - h(2)}{5 - 2} = \frac{(2*5^2 - 7*5) - ( 2*2^2 - 7*2)}{3}  = \frac{15 - (-6)}{3}  = \frac{21}{3}  = 7

The average rate of change of h(x) in the given interval is 7.

4 0
3 years ago
Someone finish this rq
solmaris [256]

Answer:

1

Step-by-step explanation:

y= 4x+?

points on the graph

(-1, -3) and (1, 5)

-3= -1*4+?

  • -3= -4+1  ⇒ ? = 1

5= 1*4 +?

  • 5= 4+ 1 ⇒ ? = 1

Verified by second point

3 0
4 years ago
I UNEED AUNSWERS ASAPKaren’s batting average was 0.444. She was at bat 45 times.
inessss [21]

Answer:

20 hits

Step-by-step explanation:

Multiply the batting average by the number of times at bat

.444*45 = 19.98

She will get about 20 hits

4 0
4 years ago
Read 2 more answers
A phone company offers two monthly plans. Plan A costs $ 20 plus an additional $0.12 for each minute of calls. Plan B costs $13
Shalnov [3]

Let:

• y, be the cost of the plan

,

• x, be the minutes spend on call

This way, we'll have:

Plan A:

y=0.12x+20

Plan B:

y=0.17x+13

If the two plans cost the same, we'll have that:

0.12x+20=0.17x+13

Solving for x :

\begin{gathered} 20-13=0.17x-0.12x \\ \rightarrow7=0.05x \\ \rightarrow\frac{7}{0.05}=x \\  \\ \Rightarrow x=140 \end{gathered}

A) The two plans will cost the same for 140 minutes on call

The cost will be:

\begin{gathered} y=0.12(140)+20 \\ \Rightarrow y=36.8 \end{gathered}

B) $36.80

3 0
2 years ago
Multiply and Simplify<br> b^2*b^4*b*b^5
attashe74 [19]
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