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Vinil7 [7]
3 years ago
7

I need help with this question !

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer:

x ≤ 3

Step-by-step explanation:

3x-2 ≤ 2x+1

Subtract 2x from each side

3x-2x-2 ≤ 2x-2x+1

x-2 ≤ 1

Add 2 to each side

x-2+2 ≤ 1+2

x ≤ 3

lidiya [134]3 years ago
7 0

Answer:

3x -2 ≤ 2x +1

3x ≤ 2x +3

x ≤ 3

so its {x|x∈ℝ, x ≤ 3}

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If p(x) = x^2-6x+5, find p(4)
lyudmila [28]

Answer:

-3

Step-by-step explanation:

p(x) = x^2-6x+5

Let x= 4

p(4) = 4^2-6(4)+5

Exponents first

       = 16 -6(4) +5

Multiply

     = 16 -24 +5

Add and subtract

    = -8+5

   = -3

7 0
3 years ago
3. The amount of hot chocolate dispensed by a hot chocolate machine is normally distributed with a mean of 16.0 oz and a standar
sveticcg [70]

Answer: the probability that a selected cup will be overfilled is 0.16

Step-by-step explanation:

Since amount of hot chocolate dispensed by a hot chocolate machine is normally distributed,

we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = amount of hot chocolate dispensed by a hot chocolate machine.

µ = mean

σ = standard deviation

From the information given,

µ = 16.0 oz

σ = 2 oz

We want to find the probability that a selected cup will be overfilled. Since the cup can hold 18.0 oz, the expression would be

P(x > 18) = 1 - P(x ≤ 18)

For x = 18,

z = (18 - 16)/2 = 1

Looking at the normal distribution table, the probability corresponding to the z score is 0.84

P(x > 18) = 1 - 0.84 = 0.16

8 0
3 years ago
HELP ME OUT PLEASE IM STUCK
pishuonlain [190]
See attached photo for solution

4 0
4 years ago
Solve for x. Leave your answer in simplest radical form.
maks197457 [2]

Step-by-step explanation:

step 1. let's call the line in the middle y.

step 2. y = sqrt(5^2 + 7^2) = sqrt(74). pythagorean theorem.

step 3. x^2 + y^2 =100 (pythagorean theorem))

step 4. x^2 + (sqrt(74))^2 = 100.

step 5. x^2 = 100 - 74

step 6. x^2 = 26

step 7. x = sqrt(26). note: sqrt is the square root.

5 0
3 years ago
PLS HELP ASAP I WILL GIVE BRAINLIEST
vivado [14]

y {2} = 16x

The above is the equation of the parabola and the steps to solve it.

7 0
3 years ago
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