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Angelina_Jolie [31]
3 years ago
15

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics
1 answer:
Alinara [238K]3 years ago
6 0

Answer:  a) 6

<u>Step-by-step explanation:</u>

The mean is 375 which has a z-score of 0.

The standard deviation is 24 so:

  • z-score of 1 is: 375 + 24 = 399
  • z-score of 2 is: 399 + 24 = 423
  • z-score of 3 is: 423 + 24 = 477

A z-score of 3 is 99.85% from the left <em>(or 1 - 99.85% from the right = 0.15%)</em>

Since we are looking for the "more than" a z-score of 3, it is 0.15% of the total.

    4000

<u>× 0.0015</u>

 6.0000

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The product of two positive consecutive odd integers is 2703. What are the positive numbers?
liberstina [14]

Answer:

The positive numbers are 51 and 53

Step-by-step explanation:

Let first odd integer be x and another odd integer is (x+2).

According to the given condition,

The product of two positive consecutive odd integers is 2703 i.e.

x(x+2) = 2703

x^2+2x-2703=0

It is a quadratic equation. It can be solved as follows :

x = 51 and x = -53

Neglecting negative sign,

The first number = 51

Another number =(51+2) = 53

Hence, the positive numbers are 51 and 53.

7 0
3 years ago
Given the points P(2,-1) and Q(-9,-6), what are the coordinates of the point on directed line segment PQ that partitions PQ in t
gayaneshka [121]

ANSWER

( -  \frac{23}{5} , - 4)

EXPLANATION

Given the points P(2,-1) and Q(-9,-6),the coordinates of the point that partition the directed line segment PQ in the ratio 3:2 is given by

x = \frac{ mx_2+nx_1}{m + n}

y= \frac{ my_2+ny_1}{m + n}

Where m=3 and n=2

x = \frac{ 3 ( - 9)+2(2)}{3+ 2}

x = \frac{  - 23}{5}

y= \frac{ 3( - 6)+2( - 1)}{3 + 2}

y= \frac{  - 20}{5}  =  - 4

The point is

( -  \frac{23}{5} , - 4)

4 0
3 years ago
Determine which of the four postulates, if any, can be used to prove that the triangles are congruent.
lora16 [44]

The red lines mean the sides with the lines are the same. The red arc means those angles are the same.

Using that information you know the angle where the two same sides connect would also be the same.

So you have one side (S) and 2 angles (A) that are identical.

You can use B. ASA

8 0
3 years ago
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Solve the equation and enter the value of x below<br> -9x-3 = 60
mina [271]

Answer:

-7

Step-by-step explanation:

-9x-3=60

add 3 to each side to cancel -3

-9x-3+3=60+3

simplify

-9x=63

divide by -9 to cancel the -9

-9x/-9=63/-9

simplify

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2 years ago
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Step-by-step explanation:

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3 years ago
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