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Finger [1]
3 years ago
5

How many solutions does this equation -2(x+3)= 1/4x- (5-x) have?

Mathematics
2 answers:
Bogdan [553]3 years ago
7 0

Answer:

One solution

x = -4/13

Explanation:

Image below

pogonyaev3 years ago
3 0

Answer:

the equation only has 1 solution

Step-by-step explanation:

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Please help me thank you
serious [3.7K]

Answer:

8x - 7y = 56

Step-by-step explanation:

in order for lines to be parallel they need to have the same slope, the easiest way to determine if they have the same slope is to change the equations into y = mx + b form by solving for y and seeing where m=8/7

so 8x - 7y = 56

-7y = 56 - 8x

y = 56/-7 -8x/-7

y = -8 + 8/7 x

5 0
3 years ago
(a) 3 - 2/3÷4/3 × 7<br>(b) [(2/3)/(5/6)]-2/5<br>(c) {(-3/4) +( 1/2)}/{(2/5)-(5/2)}<br>​
BartSMP [9]

Step-by-step explanation:

a. (3 - 2/3) ÷ (4/3 x 7)

= [(3 x 3) / (1 x 3) - 2/3] ÷ 28/3

= (9/3 - 2/3) ÷ 28/3

= 7/3 x 3/28

= 21/84

= (21 x 1) / (21 x 4)

= 1/4

b. 2/3 ÷ 5/6 - 2/5

= 2/3 x 6/5 - 2/5

= 12/15 - 2/5

= (3 x 4) / (3 x 5) - 2/5

= 4/5 - 2/5

= 2/5

c. (- 3/4 + 1/2) ÷ (2/5 - 5/2)

= [- 3/4 + (1 x 12) / (2 x 2)] ÷ [(2 x 2) / (5 x 2) - (5 x 5) / (2 x 5)]

= (- 3/4 + 12/4) ÷ (4/10 - 25/10)

= 9/4 ÷ (- 21/10)

= 9/4 x - 10/21

= - 90/84

= (6 x - 15) / (6 x 14)

= - 15/14.

If you have any doubt, then you can ask me in the comments.

6 0
3 years ago
Read 2 more answers
llama 5.70 dollars for hours last Friday Lamont received a check for 745 and $0.25 this paycheck it included an extra $200 bonus
GuDViN [60]
How many does she get a hour thier is no hours 
8 0
4 years ago
A battery manufacturer randomly tests 500 batteries and finds that 3 are defective.
ale4655 [162]
To find this answer, we must first find the percentage of batteries that are defective. We can do this by dividing 3 by 500.

3 / 500 = 0.006

So our percentage of defective batteries is 0.6%.

Now, to find out how many defective batteries would be in a batch of 12000, we just need to multiply the constant (percentage of defective batteries) by the amount in the new batch.

12000 * 0.006 = 72

In a shipment of 12,000 batteries, 72 will be defective, so the correct answer choice would be B.
Hope that helped =)
5 0
4 years ago
Billy plotted −3
nevsk [136]

Answer:

Sample Response: Yes, Billy is correct. The fractions are placed on the correct tick marks. The smaller fraction is located to the left of the larger fraction.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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