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allochka39001 [22]
3 years ago
9

Solve m+18+23=71 PLZZZZZ I NEED THE ANSER PLZZZ

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

m + 18 + 23 = 71

m + 41 = 71

m = 71 - 41

<u>m = 30</u>

Ber [7]3 years ago
8 0

Answer:

30

Step-by-step explanation:

m+18+23=71

m+41=71

m=71-41

m=30

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Ten frogs can catch 10 flies in 10 minutes. How long would it take one frog to catch one fly?
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Answer:

1 minute

Step-by-step explanation:

10 divided by 10 is = to 1 so 1 frog catch 1 fly in 1 minute

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3 years ago
Estimate the product. The cost of 6 hamburgers for $2.89 each.
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Answer:

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So it will be about $18 if rounding to whole dollars or $17.40 if rounding to cents.

4 0
4 years ago
Which of the following is a solution of x^2 + 2x + 4?
Kaylis [27]

Answer:

\displaystyle x_1=-1+\sqrt{3}i

\displaystyle x_2=-1-\sqrt{3}i

Step-by-step explanation:

<u>Second-Degree Equation</u>

The second-degree equation or quadratic equation has the general form

ax^2+bx+c=0

where a is non-zero.

There are many methods to solve the equation, one of the most-used is by using the solver formula:

\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

The equation of the question has the values: a=1, b=2, c=4, thus the values of x are

\displaystyle x=\frac{-2\pm \sqrt{2^2-4\cdot 1\cdot 4}}{2\cdot 1}

\displaystyle x=\frac{-2\pm \sqrt{-12}}{2}

Since the square root has a negative argument, both solutions for x are imaginary or complex. Simplifying the radical

\displaystyle x=\frac{-2\pm 2\sqrt{-3}}{2}=-1\pm\sqrt{3}i

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7 0
3 years ago
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Answer:

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and

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I'll put it in step form:
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3 years ago
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