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elena-14-01-66 [18.8K]
2 years ago
9

PLEASE HELP ILL MARK YOU BRAINLIEST

Mathematics
1 answer:
mr Goodwill [35]2 years ago
7 0

Answer:

D is the correct a

Step-by-step explanation:

From table A-3: Areas under the normal curve

we can deduce that k=0.9

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Please help me !!!!!!
navik [9.2K]

Answer:

The answer is the roman numeral ||.

Step-by-step explanation:

If you use the equation c = \sqrt{a^{2}+b^{2} you will find the only one that works is roman numeral ||. This equation is for right triangles.

8 0
2 years ago
11 7/8 + 3 1/5 - ___ = 15
damaskus [11]

Answer: -4.775

Step-by-step explanation: 11(7/8) + 3(1/5) - (-4.775) = 15

5 0
3 years ago
And how many map squares did we survive more than 29 plant species
denis-greek [22]

Answer:

Hello your question is incomplete attached Below is the missing histogram

answer: 10 map squares

Step-by-step explanation:

There are 10 map squares that did survive more than 29 pant species because from the given diagram we can see that the plant species above 29  are spotted in 4 map squares ( i.e. from spot 30 to 39 ) and 6 map squares ( i.e. from 30 to 49 )

hence the total number of map squares = 4 + 6 = 10 map squares

4 0
3 years ago
A wallet contains $460 in $5, $10, and $20 bills. The number of $5 bills exceeds twice the number of $10 bills by 4, and the num
Butoxors [25]

Answer:

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

Step-by-step explanation:

Let x number of $5, y number of $10 and z number of $20

The number of $5 bills exceeds twice the number of $10 bills by 4.

Therefore, x = 2y + 4

The number of $20 bills is 6 fewer than the number of $10 bills.

Therefore, z = y - 6

A wallet contains $460 in $5, $10, and $20 bills.

Therefore,

5x + 10y + 20z = 460

Substitute x and y into equation

    5(2y+4) + 10y + 20(y-6) = 460

10y + 20 + 10y + 20y - 120 = 460

                           40y - 100 = 460

                                    40y = 460 + 100

                                    40y = 560

                                      y = 14

  • Put the value of y into x = 2y + 4 and solve for x

                                      x = 2(14) + 4

                                      x = 32

  • Put the value of y into z = y - 6 and solve for z

                                      z = 14 - 6

                                      z = 8

Hence, the each type of bills,

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

3 0
3 years ago
Read 2 more answers
I will give you brianliest!
Kazeer [188]

Answer:

0.0000001

Step-by-step explanation:

it is just trust me

7 0
3 years ago
Read 2 more answers
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