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Serjik [45]
3 years ago
12

How many solutions are there to the equation below?

Mathematics
2 answers:
Anettt [7]3 years ago
8 0
Hello there.
Happy Valentine's Day⸮❍◡❍?

<span>How many solutions are there to the equation below?
220 = 2x-12x

</span><span>A) 1</span>
NARA [144]3 years ago
6 0
There is only one solution and the solution is x=-22
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Can someone please help me out with this math problem as soon as possible please! And thank you!
lawyer [7]

Answer:

1.11

2.14

3.7

4.10

Step-by-step explanation:

1. 6÷x +9

6÷3=2

2+9=11

2. 8x-3+y

8×2 -3+1

=16-3+1

= 16-2=14

3. 2xy

=2×5×-3

=10-3 =7

4. 2x^2-y

=2×3^2-8

=2×9-8

=18-8

=10

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3 years ago
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Answer: Cya

Step-by-step explanation:

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3 years ago
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Nathan earns $78.75 for working 5 hours. Calculate the unit rate. How much money does he earn in 1 hour?​
Sladkaya [172]

Answer: $15.75

Step-by-step explanation:

$78.75/5 hr=$15.75/hr

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2 years ago
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the length of the longer leg of a right triangle is 3 ft more than three times the length of the shorter leg. the length of the
Ulleksa [173]

with the pythagorean theorem

\begin{gathered} (4+3x)^2=x^2+(3+3x)^2 \\ 16+24x+9x^2=x^2+9+18x+9x^2 \\ 16+24x+9x^2=10x^2+18x+9 \\ 16+24x+9x^2-9=10x^2+18x+9-9 \\ 9x^2+24x+7=10x^2+18x \\ 9x^2+24x+7-18x=10x^2+18x-18x \\ 9x^2+6x+7=10x^2 \\ 9x^2+6x+7-10x^2=10x^2-10x^2 \\ -x^2+6x+7=0 \end{gathered}

using the formula of the quadratic equation

\begin{gathered} x_{1,\: 2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a} \\ x1=\frac{-6+\sqrt{6^2-4\left(-1\right)\cdot\:7}}{2\left(-1\right)}=-1 \\ x2=\frac{-6-\sqrt{6^2-4\left(-1\right)\cdot\:7}}{2\left(-1\right)}=7 \end{gathered}

the length cannot be negative, therefore x=7

length of the shorter leg is: 7ft

length of the longer leg is: 3+3(7)= 24ft

length of the hypotenuse is: 4+3(7)= 25ft

5 0
1 year ago
Luke can build 2 tables in a day, and he has to build more than 18 wooden tables for a client. If he works for x days, what is t
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The answer to the question is b
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