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Ahat [919]
3 years ago
13

Max practices the piano and the guitar for a total of 150 minutes every day. He practices the guitar for 80 minutes longer than

he practices the piano Part A: Write a pair of linear equations to show the relationship between the number of minutes Max practices the guitar () and the number of minutes he practices the piano (y) every day. (5 points) Part B: How much time does Max spend practicing the plano every day? Show your work. (3 points) Part C: Is it possible for Max to have spent 125 minutes practicing the guitar if he practices for a total of exactly 150 minutes and practices the guitar for 30 minutes longer than he practices the piano? Explain your reasoning (2 points) Ω 22 23 Source гс BI V S X. IX E Styles Normal - ? Part A: xy = 150 x = x + 80 Then use Substitution X + (x + 80) = 150 2x + 80 = 150 2x = 70 * = 35 Which equals 35 minutes of Max practicing the guitar 09 Question 1 (Angwered) Teous Question​
Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0

Answer:

Award Brainliest to this answer :)

Step-by-step explanation:

1 /  p + g = 150

g - 80 = p   =>  p - g = - 80

 

2 /  Adding the equations eliminates g and gives  2p = 70, p = 35

Back substituting to the 1st Equation;  35 + g = 150  =>  g = 115  

 

3 /  No, not if the stated conditions remain.

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AABC~ ADEF. What is the scale factor?<br><br> Help please
vladimir1956 [14]

Answer:

3:1 or 3

Step-by-step explanation:

the left triangle is scaling up to the right triangle. 5/15 is 1/3

7/21 is 1/3

4/14 is 1/3

since it is scaling UP, the scale factor is 3:1

7 0
3 years ago
Enter the amplitude of the function f(x).<br><br> f(x)=−sin(3x)−1
77julia77 [94]
Enter the amplitude of the function f(x). f(x)=-2sin(3x)-1 ​. 2. See answers. Log in to add comment. Answer. Answer. 5.0/5. 5.0/5.
5 0
2 years ago
Ron has 2,500 pounds of horse feed to deliver. He wants to deliver an equal amount on each of 4 trips.
uysha [10]
4f=2500 because 4 trips from 2500 means f= \frac{2500}{4}.
6 0
3 years ago
What is the end behavior of the graph of
lutik1710 [3]

The end behavior of the graph of f(x) = -0.25x2 - 2x + 1 is that A) As x increases, f(x) increases. As x decreases, f(x) decreases.

<h3>What is the end behavior about?</h3>

The end behavior of a function f tells us that the way that the graph function behaves at the "ends" of the x-axis.

Note that the end behavior of a function tells the trend of the graph and in this graph, f(x) -----> +∞ as x----> -∞  (as the value of x decreases the value of f(x) increases) and  f(x) -----> -∞ as x----> +∞ (as the value of x increases the value of f(x) decreases).

Therefore, The end behavior of the graph of f(x) = -0.25x2 - 2x + 1 is that A) As x increases, f(x) increases. As x decreases, f(x) decreases.

See full question below

What is the end behavior of the graph of f(x) = -0.25x2 - 2x + 1?

A) As x increases, f(x) increases. As x decreases, f(x) decreases.

B) As x increases, f(x) decreases. As x decreases, f(x) decreases.

C) As x increases, f(x) increases. As x decreases, f(x) increases.

D) As x increases, f(x) decreases. As x decreases, f(x) increases

Learn more about end behavior from

brainly.com/question/1365136

#SPJ1

5 0
2 years ago
What is the sum of the numbers in the series? 15 + 11 + 7 + . . . + (–129)
babymother [125]
Using Gauss's method
Total number of terms = [15-(-129)]/4+1=36+1=37
Add
S=15+11+7+....-125-129
S=-129-125-...+7+11+15
--------------------------------
2S=-114-114-114...(37 times)
=>
sum=S=(1/2)*(-114)*37=-2109


Using AP, T(n)=15+11+7+....-129
T(n)=19-4n  => T(1)=15, T(37)=-129
S(n)=(1/2)(37)(T(1)+T(37)=(1/2)37(15-129)=2109
3 0
3 years ago
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