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RoseWind [281]
3 years ago
10

The following is an arithmetic series. 31+33.5+36+38.5+... O True O False

Mathematics
2 answers:
sdas [7]3 years ago
4 0

Answer:

it's True

Step-by-step explanation:

good luck have a nice day

Aleks04 [339]3 years ago
3 0

9514 1404 393

Answer:

  True

Step-by-step explanation:

It is the sum of numbers having a common difference. The fact that it is a sum makes it a series (as opposed to a sequence, which is just a list of numbers). The common difference (of 2.5) makes it an arithmetic series.

True, the sum is an arithmetic series.

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Which of the following is the equation of a line that has a slope of -2 and passes through the
KATRIN_1 [288]

Answer:

B. y = -2x + 8

Step-by-step explanation:

So the slope is the number that comes before the x, and if the slope is -2, that means the number before is -2, and it is.

And to know if it goes through (1, 6), put those numbers into the equation and see if they match up (x is the y-intercept)

6 = -2(1) + x

6 = -2 + x

x = 8

The one with both of these is B, which means B is the answer

3 0
3 years ago
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A local university wanted to understand what students prefer to eat during finals. They asked 1000 students, "Do you prefer chic
olga55 [171]

Answer:

P(\text{Pizza}\ |\ \text{Female})=0.225

Step-by-step explanation:

The two-way frequency table is attached below.

We have to calculate the probability of, a person chosen at random prefers pizza given that they are female, i.e P(\text{Pizza}\ |\ \text{female})

This is a conditional probability.

We know that,

P(A\ |\ B)=\dfrac{P(A\ \cap\ B)}{P(B)}

So,

P(\text{Pizza}\ |\ \text{Female})=\dfrac{P(\text{Pizza}\ \cap\ \text{Female)}}{P({\text{Female}})}

From the table,

P(\text{Pizza}\ \cap\ \text{Female)}=\dfrac{119}{1000}

P({\text{Female}})=\dfrac{530}{1000}

Putting the values,

P(\text{Pizza}\ |\ \text{Female})=\dfrac{P(\text{Pizza}\ \cap\ \text{Female)}}{P({\text{Female}})}=\dfrac{\frac{119}{1000}}{\frac{530}{1000}}=0.225

8 0
3 years ago
Hey i need some help :)
melamori03 [73]

Answer:

[See Below]

Step-by-step explanation:

\boxed{Hey~There!}

__________________________________________________________

\boxed{Solve~-3x

  • Rearrange the equation by subtracting what is to the right of the greater than sign (≤, ≥) from both sides of the inequality:

                 -3*x-(9)

  • Pull out like factors:  

                -3x - 9  =   -3 * (x + 3)

  • Divide both sides by -3:
  • Remember to flip the inequality sign:

                 

  • Subtract 3 from both sides:

                 x > -3

\boxed{The~answer~is: x > -3}

\boxed{The~answer~is: C}

__________________________________________________________

Hope~this~helps~Mate!\\-Your~Friendly~Answerer,~Shane  ^-^

8 0
3 years ago
The following information is known about a loan.
Katyanochek1 [597]
Use the formula I = PRT.....you'll get $2000
6 0
3 years ago
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What is the 8th term if your first four are 3,7,11,15
amid [387]
3,7,11,15,19,23,27,31

32 = 8th term.
The common difference is +4
6 0
3 years ago
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