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3 years ago

Im not sure help!!!!!!!

Mathematics

2 answers:

kiruha [24]3 years ago

5 0

The answer would be B

sineoko [7]3 years ago

3 0

The right andswer is B.

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Using factor theorem, factorise x⁴-x³-7x²+x+6

andrew11 [14]

Answer:

Add and subtract the second term to the expression and factor by grouping .

(x-1)(x+1)(x-3)(x+2)

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4 years ago

Read 2 more answers

There does not seem to be an established symbol for the connective unless. However, Q unless P means if not P, then Q. Write the

Nataliya [291]

Answer:

See explanation below

Step-by-step explanation:

There are two ways of interpreting Q unless P.

One of them is: if not P, then Q.

The other one is: if P, then not Q.

Let's write the sentences both ways

If not P, then Q

Original sentence: “I will go shopping, unless it rains.”

If it does not rain, then I will go shopping.

Original sentence: “The function f is continuous, unless x<2”

If x greater or equal than 2, then f is continuous.

If P, then not Q

Original sentence: “I will go shopping, unless it rains.”

If it rains, then I will not go shopping

Original sentence: “The function f is continuous, unless x<2”

If x<2, then f is not continuous.

7 0

3 years ago

Mila’s dog weighs 4 pounds more than eight times the way of keikos dog which expression could be used to find the way of Milan’s

Hunter-Best [27]

X= weight of Keiko's dog
m= weight of Milan's dog

Weight of Milan's dog's equals (8 times the weight of Keiko's dog) plus 4 pounds.

Expression: m= 8x + 4

Hope this helps! :)

6 0

3 years ago

The shape of the distribution of the time required to get an oil change at a 15-minute oil-change facility is unknown. However,

Mars2501 [29]

Answer:

(a) Probability that a random sample of n = 45 oil changes results in a sample mean time < 10 minutes i=0.0001.

(b) The mean oil-change time is 15.55 minutes.

Step-by-step explanation:

Let us denote the sample mean time as x

From the Then x = mean time = 16.2 minutes

The given standard deviation = 3.4 minutes

The value of n sample size = 45

CHECK THE ATTACHMENT FOR DETAILED EXPLANATION

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4 years ago

10 POINTS PLEASE I NEED THIS!!! :) What is the equation in point-slope form of the line that passes through the point (3, −2) an

Reil [10]

Answer: y + 2 = 2/3 (x - 3)

Step-by-step explanation:

1. Point-slope form is y-y1 = m(x - x1)

2. plug in the slope 2/3 for m, -2 for y1, and 3 for x1

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3 years ago