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2 years ago

Jeremy’s family wants to rent bicycles. The table shows the cost in dollars, y, of renting a bicycle for x hours.

Mathematics

1 answer:

sveticcg [70]2 years ago

5 0

Answer:

This is a linear function.

Step-by-step explanation:

x is going up by 1 each time

y is going up by 10 each time

it is constant so it is a straight line

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7 = 3t - 3 - 2+ + 6. Justification: ? property

Volgvan

Answer:

7 = 3t + 1

t = 6

....................

7 = 3t - 2t + 3

t = 4

4 0

3 years ago

Write a system of linear inequalities represented by the graph? Inequality 1: Inequality 2:

alina1380 [7]

Answer:

y > x - 2

y >= 5x + 1

Step-by-step explanation:

8 0

2 years ago

A telemarketer spent 7 hours during her 8-hour shift calling up new clients. What percentage of her time was spent on things oth

padilas [110]

1/8 of her time was spent on things other than working with clients. 1/8 = 0.125 * 100 = 12.5%

6 0

1 year ago

Find the value of x and y

Svetllana [295]

Answer:

x = 1

y = -3

Step-by-step explanation:

cos(pi) = -1

so many ways :

sqrt(0.5/2) = sqrt(0.5/2 × 8/8) = sqrt(4/16)

= sqrt(0.5/2 × 18/18) = sqrt(9/36)

= sqrt(1/4) = 1/2

"nicest" approach (all integers) :

3x² = sqrt(9)

3x² = 3

x² = 3/3 = 1

x = 1

2y = sqrt(36)

2y = 6

y = 6/2 = 3

one of them has to be negative (because cos(pi) = -1), so it has to be y, because 3x² cannot be negative with real numbers.

so, y = -3

-1 × 3×1²/(2×-3) = sqrt(0.5/2) = 1/2

-1 × 3/-6 = 1/2

3/6 = 1/2

1/2 = 1/2

correct

4 0

2 years ago

ABC has the points A(1,7) B(-2,2) and C(4,2) as it’s vertices

tekilochka [14]

Part 1

Using the distance formula,

$AB=\sqrt{(-2-1)^{2}+(2-7)^{2}}=\sqrt{34}\\\\BC=\sqrt{(-2-4)^{2}+(2-2)^{2}}=6\\\\AC=\sqrt{(1-4)^{2}+(7-2)^{2}}=\sqrt{34}$

So, the measure of the longest side is 6 units.

Part 2

Triangle ABD will have vertices A(1,7), B(-2, 2), and D(1,2).

We already know that $AB=\sqrt{34}$

Using the distance formula,

$AD=\sqrt{(1-1)^{2}+(7-2)^{2}}=5\\\\BD=\sqrt{(-2-1)^{2}+(2-2)^{2}}=3$

So, ABD is a scalene triangle.

Part 3

From part 2, we know that the length of side AD is 5 units.

6 0

1 year ago