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2 years ago

Which table represents a function?

Mathematics

1 answer:

soldi70 [24.7K]2 years ago

5 0

The first table represents a function...
I hope this helps, if not I apologize :))

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Mike purchased 1.35 pounds of steak for $13.50.

AlladinOne [14]

Answer:

y=10x

Step-by-step explanation:

it costs 10 dollars for one pound of steak.

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2 years ago

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At a shoe store shoes are 1/3 of the original price the sale price of a pair of shoes is $15.50 write an equation that could be

Soloha48 [4]

Answer: c divided by 3=15.5

Step-by-step explanation:

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3 years ago

Let A = { x ∈ R : x 2 − 5 x + 4 ≤ 0 } , B = (3 , 5), and C = (3 , 4]. Show that A ∩ B = C . (Recall, you must show two separate

kolbaska11 [484]

Answer:

You can proceed as follows:

Step-by-step explanation:

First solve the quadratic inequality $x^{2}-5x+4\leq 0$ . To do that, factorize, then we have that $(x-4)(x-1)\leq 0$ . This implies that

$x-1\leq 0\, \text{and}\, x-4\geq 0$

$x-1 \geq 0\, \text{and}\, x-4\leq 0$

In the first case the solution is the empty set $\emptyset$ . In the second case the solution is the interval $1\leq x \leq 4$ . Now we have that

$A=[1,4]$

$B=(3,5)$

$C=(3,4]$ .

To show that $A\cap B\subseteq C$ consider $x\in A\cap B$ . Then $1\leq x \leq 4\, \text{and}\, 1$ , this implies that $3$ , then $x\in C$ . Now, to show that $C\subseteq A\cap B$ consider $x\in C$ , then $3$ , then $1\leq x \leq 4\, \text{and}\, 3$ , then $x\in [1,4] \, \text{and}\, x\in (3,5)$ , this implies that $x\in A\cap B$ .

Observe the image below.

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3 years ago

Name an outcome that has a probability between 0.5 and 1

diamong [38]

Answer:

0.6

Step-by-step explanation:

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3 years ago

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The price of an item has been reduced by 65% . The original price was $49

Basile [38]

Hey there!

To find the discount, just multiply the original price by the percent.

49*.65= 31.85(how much it was taken off)

Now subtract31.85 from 49 and you'll get
17.15

$17.15 is now the new price

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2 years ago

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