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Misha Larkins [42]
3 years ago
7

Quantos que é -x+60=30 Eu estou confuso

Mathematics
1 answer:
MAVERICK [17]3 years ago
3 0
-x+60=30
    -60   -60

-x=-30
x=30
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Can someone please solve this problem for me?
statuscvo [17]

Answer:

5 and 7.

Step-by-step explanation:

Hey! So to start you need to create an algebraic expression. You can express this problem through the following equation:

*Note: if x is an odd integer, x + 2 is the next consecutive odd integer.

x *(x+2)=35

Expanding, you get:

x^{2}+2x = 35.

And moving the 35 to the other side, you get a simple quadratic.

x^{2}+2x -35 =0.

Solving by factoring:

(x+7)(x-5)

This means two possible solutions for the smaller consecutive number are -7 and 5. However the question asks for two positive odd integers, so one of the numbers must be 5. The next will be 7(as its x + 2).

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3 years ago
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Vadim26 [7]

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State the type of angles and solve for the yven vatizble.
Alika [10]

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1st option

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4 0
3 years ago
Yesterday annie walked 9tenth mile to her friends house they walk 1/3 mile to the library which is the best estimate for how far
aleksklad [387]
This could be an adding fractions problem. We can add the two fractions together and then determine how many miles she walked.

 9       1
--- + ----
10     3

First, we need to find a common denominator. It would be 30, since this is the smallest number both 3 and 10 go into.

So, after that, we need to multiply each numerator by the number we needed to multiply our denominator by to get to 30.

So, 10 times 3 equals 30. So, we need to multiply 9 by 3 as well, which is 27.

Our new fraction here would be:

27
----
30

Next, to get 30, we need to multiply 3 by 10 to get 30. So, we also need to multiply 1 by 10, which is 10. 

Our new fraction would be:

10
---
30

So lets take a look at our new equation.

27   10
--- + ---- 
30   30

Lets add them together. Remember the denominators need to stay the same:

37
----
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Now that we have an improper fraction, we need to simplify it. 37 goes into 30 once, and we have 7 left over.

So, our final answer would be:

1 and 7
         ----  of a mile.
          30
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3 years ago
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Elena L [17]
48 ounces because if you triple 16 you’ll get 48 ounces!
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