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vampirchik [111]

2 years ago

6

CAN U HELP ME PLZ!!!! | \/

1 answer:

slava [35]2 years ago

6 0

Answer:

7.33

Step-by-step explanation:

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Solve the equation<br><br> c/7=6 1/7

Softa [21]

c/7 = 6 1/7 ⇒ c = 43 ⇒ 43/7 = 6 1/7

Convert mixed fraction into a simple fraction

6 1/7 ⇒ (6 * 7 + 1)/7 = 43/7

c/7 = 43/7

proportionality:

a/b = c/d where ad = bc

a = c
b = 7
c = 43
d = 7

ad = bc ⇒ c7 = 7*43 ⇒ c7 = 301 ⇒ 7c/7 = 301/7 ⇒ c = 43

5 0

3 years ago

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A boy bought 9 new cards to add to his card collection of 25 cards. The next day his dog ate half of his collection. How many ca

lora16 [44]

This would equal (9+25)/2

Which could be simplified into 34/2

Which means the answer is 17

4 0

3 years ago

Question 7 of 10

Ganezh [65]

Answer:

Option B

Step-by-step explanation:

Given Equation :

$\qquad \sf \dashrightarrow \: 3(4x+3) = 2x - 5(3 - x) + 2$

Using distribute property:

$\qquad \sf \dashrightarrow \: 12x + 9 = 2x - 15 + 5x + 2$

Adding the like terms we get :

$\qquad \sf \dashrightarrow \: 12x + 9 = 2x + 5x - 15 + 2$

$\qquad \sf \dashrightarrow \: 12x + 9 = 7x - 13$

Transposing the variables on the right side and constant terms on the left side :

$\qquad \sf \dashrightarrow \: 12x - 7x = - 13 - 9$

$\qquad \sf \dashrightarrow \: 5x = - 22$

Dividing both sides by 5 :

$\qquad \sf \dashrightarrow \: \dfrac{5x}{5} = \dfrac{ - 22}{5}$

$\qquad \bf \dashrightarrow \: x = \dfrac{ - 22}{5}$

3 0

2 years ago

Joshua is a year older than his sister McKay. The product of their ages is 33 more than 7 times Joshua’s age. How old are Joshua

joja [24]

Answer:

Joshua is 11 and Mckay is 10.

6 0

1 year ago

Question 6 of 25<br> Evaluate 4(x - 3) + 5x - x2 for x = 3.<br> -

Zanzabum

$\text{Given that,}\\\\4(x-3) +5x -x^2\\\\\text{For x =3,}\\\\4(3-3) +5(3) -3^2 = 4(0) +15 -9 = 6$

6 0

2 years ago

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