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nika2105 [10]
3 years ago
10

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has of $1 with him. If his mom pays the remainin

g of the dollar, how much will she pay?
Mathematics
1 answer:
egoroff_w [7]3 years ago
4 0
If his mom pays with tax i think it's $1.07
If he pays with the dollar she pays .7 cents for tax. 

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6 painters can paint the fence in 15 hours. How long would it take 5 workers to do the same job?
SOVA2 [1]

Answer:

12.5 hours

Step-by-step explanation:

15/6 is 2.5. 2.5 is how many hours per worker. 5 times 2.5 is 12.5 hours

8 0
3 years ago
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If (2 − 3i) + (x + yi) = 6, what is x + yi?
Soloha48 [4]

(2 − 3i) + (x + yi) = 6

We add the left hand side

(2+x) + (-3+y)i = 6

6 can be written in a+ib

6 can be written as 6 + 0i

(2+x) + (-3+y)i = 6 +0i

Now we frame 2 equations

2 + x= 6

-3 + y =0

Solve the first equation

2 + x = 6

Subtract 2 from both sides

x = 4

solve the second equation

-3 + y =0

Add 3 on both sides

y= 3

So x+yi is 4+3i

7 0
3 years ago
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Select the equivalent expressions for z divided by 144
Ivahew [28]

Answer:

A: 144/z

Step-by-step explanation:

Hopefully this helps!

4 0
3 years ago
Carl earns $3.25 per hour walking his neighbor's dogs. He walks them 1/3 of an house in the morning and 1/2 of an hour is the af
Lera25 [3.4K]

Answer:

5/6

Step-by-step explanation:

You just need to ad 1/3 and 1/2 which would equal 5/6

8 0
3 years ago
Solve the following rational equation plz help!!
Yuri [45]

Answer:

x = \frac{9}{4}

Step-by-step explanation:

Given

\frac{4x}{x+1} - \frac{5}{x} = \frac{4}{x^2+x} ← factor denominator

\frac{4x}{x+1} - \frac{5}{x} = \frac{4}{x(x+1)}

[ x ≠ 0, x ≠ - 1 as these would make the terms undefined ]

Multiply through by x(x + 1)

4x² - 5(x + 1) = 4

4x² - 5x - 4 = 4 ( subtract 4 from both sides )

4x² - 5x - 9 = 0 ← in standard form

(x + 1)(4x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

4x - 9 = 0 ⇒ 4x = 9 ⇒ x = \frac{9}{4}

However, x ≠ - 1 for reason given above, then

solution is x = \frac{9}{4}

4 0
3 years ago
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