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sleet_krkn [62]
3 years ago
11

Hello I really need help. Thanks :)

Mathematics
1 answer:
BARSIC [14]3 years ago
7 0

Answer:

y + 1 = 4/3(x - 9)

Step-by-step explanation:

Point-slope form: y - y₁ = m(x - x₁)

Substitute the numbers into the equation:

y - (-1) = 4/3(x - 9)

y + 1 = 4/3(x - 9)

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Help help help math math
Salsk061 [2.6K]

Answer:

V = 4000 ft³

Step-by-step explanation:

if diameter is 20 then radius is half that, or 10

use formula:

V = 4/3(3)(10)³

V = 4(10)³

V = 4(1000)

V = 4000 ft³

7 0
2 years ago
What is the decimal representation of 2/10 ? 
Marina CMI [18]
2/10 basically means "2 divided by 10".

10 / 2 = .2
7 0
3 years ago
Read 2 more answers
A perfect score on a test with 25 questions is 100. Each question is worth 4 points. Fred got a score of 84 on the test write a
ICE Princess25 [194]
Given:
perfect score- 100
number of questions of the test- 25
worth of each question- 4 points
Fred's score- 84
n- number of questions Fred had answered incorrectly.

solution:
solve for n
division sentence: (100 ÷ 4 ) -  ( 84 ÷ 4 ) = n

(100 ÷ 4 ) -  ( 84 ÷ 4 ) = n
25 - 21 = n
4= n

therefore, Fred had answered 4 test questions incorrectly.



6 0
3 years ago
Read 2 more answers
Which of the following equations belongs to an ellipse with vertical orientation?
Mekhanik [1.2K]

Answer:

d. 16x² + y² = 16

Step-by-step explanation:

Standard form of an ellipse is:

x² / a² + y² / b² = 1

If b > a, the ellipse has a vertical orientation.

We can ignore options b and c, since they have minus signs in them.

Convert the other options to standard form:

a. x² / (1/16) + y² / (1/25) = 1

x² / (1/4)² + y² / (1/5)² = 1

1/4 > 1/5

d. x² + y² / 16 = 1

x² / 1² + y² / 4² = 1

1 < 4

e. x² / 16 + y² = 1

x² / 4² + y² / 1² = 1

4 > 1

Of these three options, only d is a vertical ellipse.

6 0
3 years ago
Read 2 more answers
Simplify the expression: 4 ( x+3) +5(5-x)
ICE Princess25 [194]
The answer is -x+37 .......
3 0
3 years ago
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