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dusya [7]
3 years ago
8

PLZZZZZZZZZZZZ HELP THANKS :D

Mathematics
2 answers:
evablogger [386]3 years ago
7 0
<h3>Answer: choice D) y + 6 = \frac{5}{2}(x +2)\\\\</h3>

=======================================

Explanation:

Pick any two points from the table to find the slope. I'll use the first two rows.

Let (x_1,y_1) = (-4,-11) \text{ and } (x_2,y_2)  = (-2,-6)

So the slope is...

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{-6 - (-11)}{-2 - (-4)}\\\\m = \frac{-6 + 11}{-2 + 4}\\\\m = \frac{5}{2}\\\\

This means the answer is between choices A and D.

If we plugged in the set of x,y values from row 2, into the point-slope formula, then we would have

y - y_1 = m(x - x_1)\\\\y - (-6) = \frac{5}{2}(x - (-2))\\\\y + 6 = \frac{5}{2}(x +2)\\\\

which leads to choice D as the answer.

svetoff [14.1K]3 years ago
3 0
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6 0
3 years ago
Karim is ordering video games. Each game costs $39.99, and there is a $4.85 shipping charge per order. How much will it cost him
weqwewe [10]
Given:
Cost of a game = $39.99
Shipping charge = $4.85
Let,
number of video games be "n"
Now,
total cost = (cost of each game * total no. of games) + shipping charge
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So, you use the above equation to find the total cost of video games.
7 0
3 years ago
A hemispherical tank is filled with water and has a diameter of 14 feet. If water
tigry1 [53]

Answer:

44,826.72\ \text{pounds}

Step-by-step explanation:

Given that,

The diameter of a hemispherical tank= 14 feet

Radius, r = 7 feet

water

Water weighs 62.4 pounds per cubic foot.

We need to find the total weight of the water in a full tank to the nearest pound.

The volume of the hemisphere is given by :

V=\dfrac{2}{3}\pi r^3\\\\V=\dfrac{2}{3}\pi \times (7)^3\\\\V=718.377\ \text{feet}^3

If water weighs 62.4 pounds per cubic foot, it means

V=718.377\times 62.4\\\\V=44,826.72\ \text{pounds}

So, the total weight of the water is 44,826.72\ \text{pounds}.

3 0
2 years ago
A sequence is given by rule 4n-5 generate the first 5 terms of the sequence​
gtnhenbr [62]

Answer:

- 1, 3, 7, 11, 15

Step-by-step explanation:

Substitute n = 1, 2, 3, 4, 5 into the rule, that is

a₁ = 4(1) - 5 = 4 - 5 = - 1

a₂ = 4(2) - 5 = 8 - 5 = 3

a₃ = 4(3) - 5 = 12 - 5 = 7

a₄ = 4(4) - 5 = 16 - 5 = 11

a₅ = 4(5) - 5 = 20 - 5 = 15

The first 5 terms are - 1, 3, 7, 11, 15

4 0
2 years ago
Read 2 more answers
A members-only speaker series allows people to join for $28 and then pay $4 for every event attended. What is the total cost for
wariber [46]

Given:

Joining fee = $28

Fee of each event = $4

To find:

Total cost for someone to attend 4 events.

Solution:

Let the number of events be x and total fee be y.

Fee for 1 event = $4

Fee for x events = $4x

Joining fee remains constant. So, the total fee is

y=28+4x

Substitute x=4 in this equation.

y=28+4(4)

y=28+16

y=44

Therefore, total cost of 4 events is $44.

8 0
2 years ago
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