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Svetllana [295]
3 years ago
8

Simplify -2.5f+0.4f-14-5

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

-2.1f - 19

Step-by-step explanation:

Combine like terms:

-2.5f + 0.4f= -2.1f

-14-5= -19

FA: -2.1f - 19

Fittoniya [83]3 years ago
7 0

Answer:

− 2.1 f  −  19

Step-by-step explanation:

Add -2.5f and 0.4f

Subtract 5 from -14

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3 years ago
Solve. −35x+15>720 Drag and drop a number or symbol into each box to show the solution.
vampirchik [111]

Answer:

The solution of the inequality - 35x + 15 > 720  is x

Step-by-step explanation:

Consider the given inequality

- 35x + 15 > 720

Subtract both side by 15 , we get

- 35x + 15 - 15 > 720 - 15

- 35x > 705

Multiply both sides by -1 (Reverse the inequality )

(-35x)(-1) < 705 (-1)

35x < -705

Now, divide both side by 35

\frac{35x}{35}=\frac{-705}{35}

\Rightarrow x=\frac{-141}{7}

Thus, the solution of the inequality - 35x + 15 > 720  is x

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3 years ago
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8 0
3 years ago
In the past you paid $800
soldier1979 [14.2K]
Hello! $800 was the past amount for rent and now it's $900. 900 - 800 is 100. that's a $100 difference. In order to find the percent increase in the rent, we can write and sovle a proportion. It would be set up as change/original = x/100, where change is difference between two numbers and original is the previous price. It would be set up like this:

100/800 = x/100

Let's crossmultiply the values. 100 * 100 is 10,000. 800 * x is 800x. That makes 10,000 = 800x. Now, divide each side by 800 to isolate the x. 800x/800 cancels out. 10,000/800 is 12.5 or 12.5%. Let's check this by multiplying by 112.5%. 800 * 112.5% (1.125) is 900. That's what we're looking for! There. x = 12.5%. The percent increase is 12.5%.


5 0
3 years ago
Read 2 more answers
Harold bought 5 apples for $ 1.30. What is the unit price?
Firdavs [7]
What is unit price?- unit price is the cost of one item(which in this case is an apple)

5 apples- $1.30
1 apple- 1.30 / 5
           = $0.26
7 0
3 years ago
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