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Ahat [919]
3 years ago
8

PLEASE HELP ASAP 

Mathematics
2 answers:
ankoles [38]3 years ago
8 0
Correct Answers:

B- using the distributive property, -2 times 5x is -10x, and -2 times -3 is 6. Therefore, an equivalent expression is 8-10+6

E- you can swap 8 to the opposite side of the equation, resulting in -2(5x-3)+8. From here, you distribute and get -10x+6+8. 6+8=14. Therefore, -10x+14 is equivalent.
Vinil7 [7]3 years ago
3 0
A and B
A: 8-2 is 6 and then you can distribute
B: 2 is distributed to 5x and -3
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The ratio of the profit, material cost and production labour of an article is 5:7:13.
IRINA_888 [86]

Answer:

The cost of producing the article is -3500 (Negative cost)

Step-by-step explanation:

The given parameters are

The ratio of the profit to material cost to production labor = 5:7:13

The amount of the material cost = 840 + Labor cost

Let the total cost = X

Therefore, we have;

The fraction of the total cost that is material cost = 7/(5 + 7 + 13) = 7/25

Therefore, the material cost = 7/25 × X

The fraction of the total cost that is labor cost = 13/(5 + 7 + 13) = 13/25

Therefore, the labor cost = 13/25 × X

However, the amount of the material cost = 840 + Labor cost, which gives;

7/25 × X = 13/25 × X + 840

7/25 × X - 13/25 × X = 840

-6/25 × X= 840

X = 840/(-6/25) = 840×(-25/6) = -3500

The cost of producing the article = -3500.

8 0
3 years ago
Jane is saving to buy a cell phone. She is given a $100 gift to start and saves me
Dmitriy789 [7]

Answer:

See explanation

Step-by-step explanation:

Jane is given a $100 gift to start and saves $35 a month from her allowance.

  • After 1 month, Jane has saved \$100+\$35=\$135;
  • After 2 months, Jane has saved \$100+2\cdot \$35=\$170;
  • After three months, Jane has saved \$100+3\cdot \$35=\$205;
  • and so on

In general, after x months Jane has saved

\$100+x\cdot \$35=\$(100+35x).

This means that it makes sense to represent the relationship between the amount saved and the number of months with one constant rate (in this case the constant rate is 35). It makes sense because the amount of money increases by $35 each month. Since the amount of increase is constant, we get constant rate. Also the initial amount is known ($100), so there is a possibility to write the equation of linear function representing this situation.

7 0
3 years ago
(x+2)(x+6)=0
Mkey [24]

Here ya go.

Answer in picture

6 0
2 years ago
A wedding photographer charges a flat fee of $1800 and $175 per hour. Which equation can be used to find the total cost of takin
ikadub [295]

Answer:

y=1800+175x

Step-by-step explanation:

3 0
3 years ago
Can some one plz help me solve this problem! I need help ASAP ! Help me I will mark you as brainlizt!
AysviL [449]

Answer:

a) y = -5 b) y = -4 c) y = 4 d) y = 11

Step-by-step explanation:

a) (-2+2)²-5

b) (-1+2)²-5

c) (1+2)²-5

d) (2+2)²-5

5 0
3 years ago
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