MATHEMATICS HIGH SCHOOL

Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20. Write a proportion that compares the sales of these two items, and find the cross products. The cross products are both equal to

Answers

Answer 1

Answer:

Kindly check explanation

Step-by-step explanation:

Given that:

Customer 1:

5 peanut butter biscuit = $3

Price per product sold :

Number Sold / price

= 5/3

Customer 2:

7 beef treats for $4.20

Price per product sold :

Number Sold / price

= 7/4.20

The cross product :

5/3 = 7 / 4.20

Cross multiply

5 * 4.20 = 3 * 7

21 = 21

Cross product of both = 21

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Nina has 465 pennies in a jar. Daryl has 348 pennies in a jar. How many pennies do they have in all?

Answers

Answer:

813

Step-by-step explanation:

you add them together

Of all the species in the world 4, out of every 5 are insects. What percentage of species are insects

Answers

If 4/5 are insects, 8/10, or .8, of the species are insects. To find a percentage, multiply by 100 to find that 80% of the species are insects.

Answer:

80%

Step-by-step explanation:

khan academy lol

A tank holding 600 liters of milk is leaking. Each week it loses 60 liters of milk. Let M be the liters of milk remaining in the tank after leaking for t weeks.Is M a linear function or an exponential function?

Why?

Answers

linear, because the tank will eventually be empty. In about 10 weeks

Final answer:

The liters of milk remaining in the tank after leaking for t weeks is represented by an exponential function. An exponential function is a mathematical function in which the independent variable appears as an exponent.

Explanation:

The function that represents the liters of milk remaining in the tank after leaking for t weeks is an exponential function. An exponential function is a mathematical function in which the independent variable appears as an exponent. In this case, the liters of milk lost each week is constant, so the amount of milk remaining in the tank is decreasing exponentially over time.

Formula for exponential decay: M = P * (1 - r)^t, where M is the amount of milk remaining, P is the initial amount of milk, r is the rate of decay, and t is the number of weeks.

In this case, the initial amount of milk, P, is 600 liters and the rate of decay, r, is 60/600 = 0.1 (10%). So the exponential function that represents the liters of milk remaining after t weeks is M = 600 * (1 - 0.1)^t.

Learn more about Exponential decay here:

brainly.com/question/12900684

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The distance from the center of a round table top to the edge of the table top is 4 ft. What is the area of the table top?

Answers

Center to the edge of a circle is the radius and Area of a circle = (pi)r^2 so A = (pi) 4^2 = 16 pi = about 50.27 square ft

Answer:

The correct answer is 50.24 sq. ft

Step-by-step explanation:

If R, S, and T are collinear and RS + ST = RT, which of the following is true? A. T is between R and S.B. RS=RT
C. S is the midpoint of.
D. S is between R and T.

Answers

The answer is D. S is between R and T.

Imagine a line, which a starting point is R and a final point is T. And somewhere in between a point S.
The total distance is RT (from the starting to the final point).
The distance RS is one part of the line, and the distance ST is the other part of the line. If these two distances sum up, you will get the total distance:
RS + ST = RT

Find the geometric mean of 125 and 5..