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Elden [556K]
3 years ago
11

Calcule as expressões:

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Step-by-step explanation:

a, 1/4+2/5=13/20

b,-1/8+1=7/8

c, 4/25×-1/8=-1/50

d, 2×1/9-1/2=2/9-1/2=-5/18

e, 1+2/5-1/4=7/5-1/4=23/20

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4 0
3 years ago
Each day, a salesperson earns $25 plus 5% of their total sales for the day. The salesperson's goal is to earn more than $50 on T
Lera25 [3.4K]

The true statement about the inequality is that Total sales per day is greater than $250

<h3>How to write and solve inequality equation?</h3>

  • Total sales per day = x

  • Amount earned per day = 25 + 5% of x

= 25 + 0.05x

  • Thursday = 4th day of the week

The inequality:

4(25 + 0.05x) > 50

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Learn more about inequality:

brainly.com/question/25275758

8 0
2 years ago
4x - 9x + 3 = -32<br> A: -7<br> B: -35/13<br> C: -29/5<br> D: 7
baherus [9]

Answer:

D.) x = 7

Step-by-step explanation:

4x - 9x + 3 = -32

The first thing we do is combine like terms which means to add or subtract or multiply or divide any numbers that are known. Here in this equation we have 4x and - 9x

4x - 9x + 3 = -32

- 5x + 3 = - 32

Now what we do is subtract the common numeral from the side where the x value is.

- 5x + 3 = - 32

- 3. - 3

- 5x = - 35

Lastly, we divide here we take the value next to x and divide both numbers, here we will divide by - 5.

- 5x = - 35

- 5x / - 5 = x

- 35 / - 5 = 7

Now we take are two solutions and create are final solution.

x = 7

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