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3 years ago

Is this table a function or no?

Mathematics

2 answers:

blsea [12.9K]3 years ago

7 0

It's not a function because there are 2 fours

KIM [24]3 years ago

4 0

No, table a is not a function. It is not a function because no x coordinates can share the same y coordinates.

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QUICK QUICK PLEASE! 1 MINUTE

Dima020 [189]

Step-by-step explanation:

Total tomato plants = 24 + 30 = 54

Total green bean plants = 18 + 25 = 43

The ratio of tomato plants to green bean plants

$= \frac{54}{43} = 54 \: : \: 43$

4 0

3 years ago

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GIVEAWAY TO GET 100 POINTS + BRIANLIEST IF YOU ANSWER WHATS 9+10 B)

Misha Larkins [42]

Answer:

My guess is 21

Step-by-step explanation:

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3 years ago

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How many solutions does the following equation have? <br><br>-6(x+7) = -4x -2

Fed [463]

Solve for x first
-6x - 42 = -4x -2
-6x = -4x + 40
- 2x = 40
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2 years ago

SVETLANKA909090 [29]

Answer:

56.52 units²

explanation:

We should know circle's area: πr²
Then the semi circle shall have half area, so formula: (1/2)πr²

Steps:

Using the formula:

→ (1/2)πr²

→ (1/2)(3.14)(6)²

→ 56.52 units²

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2 years ago

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The variables x and y are inversely proportional, and y = 2 when x = 3. What is the value of y when x = 9?

Nina [5.8K]

Answer:

$\huge \purple{ \boxed{ y = \frac{2}{3} }}$

Step-by-step explanation:

Since, the variables x and y are inversely proportional.

$\therefore \: y \: \: \alpha \: \: \frac{1}{x} \\ \implies \: y = \frac{k}{x} \\ (k = constant) \\ \implies \: xy = k ...(1)\\ plug \: y = 2, \: \: x = 3 \: in \: equation \: (1) \\ we \: find \\ 2 \times 3 = k \\ k = 6 \\ plug \:k = 6 \: in \: equation \: (1) \\ xy = 6 \\ (this \: is \: the \: equation \: of \: variation) \\ when \: x = 9 \: \: y =? \\ \\ 9y = 6 \\ y = \frac{6}{9} \\ \huge \red{ \boxed{ y = \frac{2}{3} }}$

4 0

3 years ago