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Lelu [443]
3 years ago
9

Gillian purchased 25 books at the library book sale. Each hardcover book cost $1.50, and each paperback book cost $0.50. Gillian

spent a total of $26.50. The book costs can be represented by the system of equations below.
h + p = 25
1.50h + 0.50p = 26.50

How many paperback books did Gillian buy?
11
12
13
14
Mathematics
2 answers:
pantera1 [17]3 years ago
7 0

Answer:

A on E2020

Step-by-step explanation:

Just did the test on Edge 2020

aev [14]3 years ago
3 0

Answer: The answer is 11 (A)


Step-by-step explanation:


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In the function y=5x^2-2, what effect does the number 5 have on the graph, as compared to the graph of y=x^2?
allochka39001 [22]

General Idea:

The Rules for Transformations of Functions are given below:

If f(x) is the original function, a > 0 and c > 0; Then

f(x)+k \; \; shift \; f(x) \; UPWARD \; k \; units\\\\f(x)-k \; \; shift \; f(x) \; DOWNWARD \; k \; units\\\\f(x+h) \; \; shift \; f(x) \; LEFT \; h \; units\\\\f(x-h) \; \; shift \; f(x) \; RIGHT \; h \; units\\\\-f(x) \; \; REFLECT \; f(x) \; in \; the \; x-axis\\\\f(-x) \; REFLECT \; f(x) \; in \; the \; y-axis\\\\a \cdot f(x), \; a>1 \; STRETCH \; f(x) \; vertically \; by \; a \; factor \; of \; a\\\\a \cdot f(x), \; 0

f(ax), \; a>1 \; SHRINK \; f(x) \; horizontally \; by \; a \; factor \; of \;\frac{1}{a}  .\\\\f(ax), \; 0

Applying the concept:

In the function y=5x^2-2, the effect that the number 5 have on the graph, as compared to the graph of y=x^2 is given below:

C.it stretches the graph vertically by a factor of 5

4 0
3 years ago
Read 2 more answers
A line parallel to a triangle's side splits AB into lengths of x - 5 and x + 2. The other side, AC, is split into lengths of x a
lorasvet [3.4K]
36 because the 36 is the answer
3 0
3 years ago
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-4|6b-8|≤ 12<br><br> what is the answer?
densk [106]
This is probably the answer I’m not 100% sure

8 0
3 years ago
Hey can some one help me, Define a variable and write each phrase as an algebraic expression:
Elena L [17]

Answer:

1. <em>d</em> - 6 ft

where <em>d</em> is the width

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where <em>t</em> is the amount of time per week Theodore studies

3. <em>t’</em> - 6 a

where <em>t’</em> is Tracy’s age

4. (<em>k</em>/3) - 2

where <em>k</em> is the points that the panthers scored

Step-by-step explanation:

Write the variable and do the operations as described!

“less than” means subtraction, “more […] than” means addition and “one-third of” means division by 3.

8 0
3 years ago
Please help:) i would appreciate it lol
Svetllana [295]

Answer:

subtotal: $65.00

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total: $70.20

Step-by-step explanation:

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