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rjkz [21]
3 years ago
9

GIVING BRAINLIEST!!!!!

Mathematics
2 answers:
torisob [31]3 years ago
6 0

Answer:

A) 15

Step-by-step explanation:

PEMDAS

20 / 4 + (6 * 2) - 2

take out the parenthesis which is P

20 / 4 + 12 - 2

there is no E

the go the rest of the way MDAS

5 + 12 - 2

17 - 2

15

exis [7]3 years ago
6 0

Answer:

15 (A)

Step-by-step explanation:

ok first off you have to remember PEDMAS parentheses,exponents,division.multiplication,addition.subtraction(D and M are from left to right, as well as A and S.)

so the first thing you have to do is 6*2 because it is in the parentheses

this equation turns into

20/4+12-2

now do the division

5+12-2

now you have to add because it is left to right (it doesn't really matter what you o first in this situation)

17-2

15 (A)

hope this helps! have a nice day :)

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F(t)= 102,000/1+4400e^-t
AnnZ [28]

Answer:

Beginning (t=0) population with flu is 23.

After 4 weeks, population with flu is 1250.

After an infinite amount of weeks, the population witf flu is 102000

Step-by-step explanation:

First question asks you to replace t with 0 because it says beginning.

102000/(1+4400e^-0)=102000/(1+4400)=102000/4401=23.17655 approximately. To nearest whole number this is 23.

After 4 weeks means we replace t with 4:

102000/(1+4400e^-4)

Calculator time:

1250.17142 which to nearest whole number is 1250

If t is super large, then e^-t is super close to 0.

So the limiting number is

102000/(1+4400×0)=102000/1=102000

8 0
3 years ago
Three-quarters of a number is. 15 work out four-fifths of the number.
Wittaler [7]

3/4 of X = 15

Multiplying out gives;

3X = 4x15

3X= 60

X = 20

Therefore, 4/5 of 20

Putting X = 20 we have;

4/5 x 20 = 16

so the answer is 16

3 0
3 years ago
Read 2 more answers
Explain how to use the number line to count on to find 7 - 4
galben [10]

Answer:

explanation

Step-by-step explanation:

you would go back for spaces from 7 which is 3

hope this helps:)

5 0
4 years ago
Halp plz i give crown, due in 30 mins
disa [49]

Answer:

Step-by-step explanation:

A. you put 46.2 in where the F is

h=61.412+2.317(46.2)

61.412+107.0454

= 168.4574cm

B.  

h=81.688+2.392(50.1)

= 201.5272 cm

C.

femur: 39.097

tibia: 31.357

humerus: 27.68

radius: 20.25

D.

F: 50.899

T: 42.355

H: 26.407

R: 28.11

4 0
3 years ago
The velocity-time graph for a cycle is shown.
ivolga24 [154]

Answer:

a) 98m

b) 2m/s

Step-by-step explanation:

a) 2+4+6+8+10(8) = 98m

b) a = change/time = 8m/4s = 2m/s

not completely sure about a) so pls double check that <//3

good luck and hope this helped a bit!

3 0
4 years ago
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