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RSB [31]
3 years ago
6

A student scores 83, 90, and 85 on the first three science tests of the year in order to have a test average of at least 87, the

minimum score the student needs to get on the fourth test

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
5 0
Hope you find this helpful!

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A bank's loan officer rates applicants using their FICO credit score. The ratings are normally distributed with a mean of 711 an
tekilochka [14]

Answer:

The answer is "778"

Step-by-step explanation:

Given value:

\to \mu= 711\\\\\to \sigma= 80\\\\\to P(Z >0.84) = 0.20\\\\\to z = 0.84

The formula for z-score:

\to x = z \times  \sigma + \mu \\\\\to x = 0.84 \times 80 + 711 \\\\ \to x=67.2 +711\\\\ \to x=  778.2\\\\ \to x= 778

6 0
3 years ago
Help plz will give brainliest
jolli1 [7]

Answer:  5(13.5-4.5)

5(9)

=45

6 0
3 years ago
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melomori [17]

Step-by-step explanation:

  1. 90-27=63°
  2. <2
  3. <2,<4
  4. 360°
3 0
2 years ago
Read 2 more answers
3. Use each number line to show a different way to count from $580 to $994
Amiraneli [1.4K]

What are the number lines though?

Give more info.

6 0
3 years ago
What is the area of this
larisa86 [58]
Area of a triangle is base x height divide by 2
26x9=234
234 divide by 2 is 117
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