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krek1111 [17]
3 years ago
6

quadrilateral DEFG has vertices at D(1,0), E(-2,-2), F(2,4), and G(6,-3). Find the vertices of D’E’F’G’ after a translations of

4 units right and 5 units down
Mathematics
1 answer:
Korvikt [17]3 years ago
8 0
D’(5,-5), E’(2,-7), F’(6,-1), G’(10,-8)
Since it’s four units right you would add 4 to the x value and 5 units down so you subtract 5 from the y value.
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2) Brian purchased pens for 75 cents each and pencils for 40 cents each he
svet-max [94.6K]

Step-by-step explanation:

Name the total of pens purchased as x and the pencils as y... Make two equations and solve them. I also search for the pencils purchased in addition

8 0
3 years ago
PLEASE help
astraxan [27]

Answer:

The percentage of people should be seen by the doctor between 13 and

17 minutes is 68% ⇒ 2nd term

Step-by-step explanation:

* Lets explain how to solve the problem

- Wait times at a doctor's office are typically 15 minutes, with a standard

 deviation of 2 minutes

- We want to find the  percentage of people should be seen by the

 doctor between 13 and 17 minutes

* To find the percentage we will find z-score

∵ The rule the z-score is z = (x - μ)/σ , where

# x is the score

# μ is the mean

# σ is the standard deviation

∵ The mean is 15 minutes and standard deviation is 2 minutes

∴ μ = 15 , σ = 2

∵ The people should be seen by the doctor between 13 and

   17 minutes

∵ x = 13 and 17

∴ z = \frac{13-15}{2}=\frac{-2}{2}=-1

∴ z = \frac{17-15}{2}=\frac{2}{2}=1

- Lets use the standard normal distribution table

∵ P(z > -1) = 0.15866

∵ P(z < 1) = 0.84134

∴ P(-1 < z < 1) = 0.84134 - 0.15866 = 0.68268 ≅ 0.68

∵ P(13 < x < 17) = P(-1 < z < 1)

∴ P(13 < x < 17) = 0.68 × 100% = 68%

* The percentage of people should be seen by the doctor between

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6 0
2 years ago
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o-na [289]
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2 years ago
HELP PLSSS THIS IS HARD SOMEONE
tia_tia [17]

Answer:

x,y - x,y-4

Step-by-step explanation:

x coordinates of a and b remain same but their y coordinates become -4

3 0
3 years ago
Read 2 more answers
Someone help please :(
Hunter-Best [27]

Answer:

Answers in step-by-step.

Step-by-step explanation:

We are going to make Sarah the variable "s."

Using the given information, the following equation is derived to calculate Sarah's distance.

  • S=2n-5

And the following equation will be used to calculate what Sarah collected using "p" for pledged money.

  • P=18S

If Sarah collected $450 in pledges, we can use the preceding formula to calculate her distance.

  • P=18S
  • 450=18S
  • 450/18=S
  • 25 miles = S

Using Sarah's distance, we can calculate Semir's either the first equation.

  • S=2n-5
  • 25=2n-5
  • 30=2n
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We already found Sarah's distance to be 25 miles.

Now SungSo is making the same amount as Sarah. He collects $450 total, but he got $72 from his grandmother initially, so subtract 72 from 450 to get the amount he collected from walking.

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His formula is the same as Sarah's, but we'll use SS for his variable.

  • P=18SS
  • 378 = 18SS
  • 378/18=SS
  • 21= SS
  • SungSo walked 21 miles.

4 0
3 years ago
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