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Dafna1 [17]
3 years ago
7

1. What type of transformation is this?

Mathematics
2 answers:
natka813 [3]3 years ago
8 0
The first one is Reflection. The second one is Translation but I’m not sure the the second one
Marina86 [1]3 years ago
3 0
1. Translation
2. Reflection
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A realtor is decorating some homes for sale, putting a certain number of decorative pillows on each twin bed and a certain numbe
VikaD [51]

The number of decorative pillows did the realtor arrange on each twin bed and queen bed is 6 and 9 respectively.

<h3>Simultaneous equation</h3>

let

  • Number of decorative pillows for twin bed = x
  • Number of decorative pillows for queen bed = y

x + y = 15

2x + y = 21

From equation (1)

x = 15 - y

  • Substitute x = 15 - y into (2)

2x + y = 21

2(15 - y) + y = 21

30 - 2y + y = 21

- 2y + y = 21 - 30

-y = -9

y = 9

Substitute y = 9 into

x + y = 15

x + 9 = 15

x = 15 - 9

x = 6

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7 0
1 year ago
Brandon is training for 200 meter dash. His best running time so far was 31.25 seconds. If Brandon wants to run the dash in 27 s
raketka [301]

Just subtract 27 from 31.25

31.25-27=4.25

Brandon must cut 4.25 seconds

3 0
3 years ago
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Simplify the expression and eliminate any negative exponent(s). Assume that all letters denote positive numbers.
bekas [8.4K]
I'll give you a head start so the first thing you wanna do is make a number line of positive and negative numbers I know you can do it
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The grades of a statistics midterm are normally distributed with a mean of 70 and a standard deviation of 2. Without using a cal
butalik [34]

Answer:

.13.5%

Step-by-step explanation:

The probability that a student will receive a grade between 74 and 76 is calculated as follows:

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µ+3σ=70+3(2)=70+6=76

From the above empirical rule it can be observed that 13.5% of observations fall in between 1 and 2 standard deviations above the mean.

Therefore, the probability that a student will receive a grade between 74 and 76 is 13.5%.

Thus, the correct options is A.13.5%.

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3 years ago
P(getting exactly 7 correct) = 0.0031
GarryVolchara [31]

Answer:

Sample Response: The probability gets smaller and approaches 0 because 9 or 10 successes in 10 trials is unlikely.

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3 years ago
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