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erica [24]
3 years ago
11

Lisa spends $8.65 each week on school lunches. How much money does Lisa spend on school lunches in 16 weeks? *

Mathematics
2 answers:
sashaice [31]3 years ago
5 0
Lisa spends 138.40 on school lunch
FrozenT [24]3 years ago
3 0

Answer:

Lisa spends $138.40 on school lunches in 16 weeks.

Step-by-step explanation:

You have to multiply 8.65 by 16, since 8.65 is how much money Lisa spends each week for lunch, then you multiply by 16 since the problem calls for 16 weeks, then you get your final answer of $138.40.

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The function f(x) is given by the set of ordered pairs.
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Answer: f(0) = 6.

Explanation:

Ther ordered pairs are: (x,y) or (x, f(x) )

So, (1,0) means that f(1) = 0 which denies the fourth choice.

(-10,2) means that f(-10) = 2 which denies the first choice

(0,6) means that f(0) = 6, which is the third choice. So, that is the true equation.
4 0
3 years ago
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Cayden bought a total of 7 paperback books , 2 of which are biographies. What was the total cost of the 7 paperbacks if they nor
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Answer:

112

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That is the answer, hope this helps

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Which graph represents the function y = cos(4x)?
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3 years ago
The table below shows the distance a train traveled over time. How can you determine the equation that represents this relations
n200080 [17]

Answer:

see the explanation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x ----> the time in seconds

y ---> the distance in meters

In this problem we have a proportional relationship between the variables x and y

Find the constant of proportionality k

k=\frac{y}{x}

For x=2, y=25 ---> k=\frac{25}{2}=12.5

For x=4, y=50 ---> k=\frac{50}{4}=12.5

For x=6, y=75 ---> k=\frac{75}{6}=12.5

For x=8, y=100 ---> k=\frac{100}{8}=12.5

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4 0
4 years ago
13<br> R<br> S<br> 12<br> What's the length of QR?<br> A) 1<br> B) 17.7<br> C) 6.7<br> OD) 5
ANEK [815]

Answer:

5

Step-by-step explanation:

This is a right triangle, so we can use the Pythagorean theorem

a^2+b^2 = c^2

where a and b are the legs and c is the hypotenuse

QR^2 + 12^2 = 13^2

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QR^2 = 169-144

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Take the square root of each side

QR = sqrt(25)

QR =5

8 0
3 years ago
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