2 years ago

Please answer I will give 20 points!!!

Mathematics

1 answer:

Alenkasestr [34]2 years ago

8 0

The answer is: y= –1/3x–5

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Solve the inequality 4t^2 ≤ 9t-2 please show steps and interval notation. thank you!

FromTheMoon [43]

Answer: $t\in [\dfrac{1}{4},2]$

Step-by-step explanation:

Given

Inequality is $4t^2\leq9t-2$

Taking variables one side

$\Rightarrow 4t^2-9t+2\leq0\\\Rightarrow 4t^2-8t-t+2\leq0\\\Rightarrow 4t(t-2)-1(t-2)\leq0\\\Rightarrow (4t-1)(t-2)\leq0$

Using wavy curve method

$t\in [\dfrac{1}{4},2]$

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2 years ago

A store employee conducted a survey of 390 randomly selected customers. According to the survey, 180 of the customers often use

shusha [124]

You do 390/100 = 180/x then 390×X=390X
180×100=18000
390X=18000
390X÷390=X
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What does the ! Mean

Alina [70]

Answer:

! means factorial . For example 3! (factorial 3) = 3*2*1 = 6

Answer to 14C3 is 364

Step-by-step explanation:

14! = 14*13*12*11*10*9*8*7*6*5*4*3*2*1

14C3 = 14*13*12*11*10*9*8*7*6*5*4*3*2*1 / 3*2*1 * 11*10*9*8*7*6*5*4*3*2*1

= (14*13*12) / 3*2*1

= 14*13*2

= 364

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Based on the line plot, how many recipes call for more than 1/4 tsp of salt?

Studentka2010 [4]

It would be 6 haha I just took a test and got it right

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Which statement best applies to the slope of the line

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