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Angelina_Jolie [31]
3 years ago
7

Three less than four times m is 100. Find m

Mathematics
1 answer:
Sergio [31]3 years ago
5 0
4m - 3 = 100
4m = 103
m = 25 3/4

Hope this helps!
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Stabiliti daca marimile ale caror valori sunt trecute in tabelele urmatoare sunt direct proportionale.
kvv77 [185]

Vă rugăm să găsiți imaginea întrebării atașate mai jos:

Răspuns:

A este proporțională

B este proporțională

C nu este proporțional

D este proporțional

E nu este proporțională

F este proporțional

Explicație pas cu pas:

Pentru a determina proporționalitatea:

Obținem constanta proporționalității

Pentru valorile din tabelul 1;

Luând primul punct:

x = 1; y = 5

1 α 5

1 = 5k

k = 1/5

Test:

y = 15

x = k * y

x = 1/5 * 15; x = 3

Prin urmare; (a) este proporțională

B.)

x = 2; y = 6

2 α 6

2 = 6k

k = 2/6

k = 1/3

Test:

y = 15

x = k * y

x = 1/3 * 15; x = 5

Prin urmare; (b) este proporțională

C.)

x = 2; y = 6

7 α 3,5

7 = 3,5k

k = 7 / 3,5

k = 2

Test:

y = 5

x = 2 * 3.5

x = 7

Prin urmare; (c) nu este proporțională

x = 0,5; y = 1

0,5 α 1

0,5 = k

Test:

y = 4

x = k * y

x = 0,5 * 4; x = 2

Prin urmare; (d) este proporțională

x = 0,2; y = 2

0,2 α 2

0,2 = 2k

k = 0,2 / 2

k = 0,1

Test:

y = 4,5

x = 0,1 * 4,5

x = 0,45

Prin urmare; (e) nu este proporțională

x = 1; y = 12

1 α 12

1 = 12k

k = 1/12

Test:

y = 84

x = 1/12 * 84

x = 7

Prin urmare; (f) este proporțională

7 0
2 years ago
Georgia is buying threw books. They cost $14.00, $15.95,and $17.50. What is the total cost of the three books?
Anon25 [30]
If you add each cost together the price is 47.45

Hope this helps :)
7 0
3 years ago
Is this the right answer?
Ne4ueva [31]
Yes your answer is solved correctly
6 0
2 years ago
Inez earns $160 per month by babysitting. She saves 25% of her monthly salary. If her salary increases by 10% how much will she
ASHA 777 [7]
This person will now save $44
6 0
3 years ago
Read 2 more answers
Hi friends anyone? here?​
tangare [24]

Heylo! :D

How are ya? :)

4 0
2 years ago
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