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Nutka1998 [239]
3 years ago
6

24) Evaluate the expression with its given values. x4+3y;x=12,y=2

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0

\large\text{Hey there!}

\mathsf{\dfrac{x}{4} + 3y}\\\\\mathsf{= \dfrac{12}{4} + 3(2)}\\\\\mathsf{= 3 + 3(2)}\\\\\mathsf{= 3 + 6}\\\\\mathsf{= 9}\\\\\large\text{Therefore, your answer: \huge\boxed{\mathsf{9}}}\huge\checkmark

\large\text{Good luck on your assignment \& enjoy your day!}

~\frak{Amphitrite1040:)}

DanielleElmas [232]3 years ago
5 0

Answer:

The value of x/4+3y is 9.

Step-by-step explanation:

Evaluate the expression with its given values.

\implies{\tt{\dfrac{x}{4} + 3y}}

  • \pink\star x = 12
  • \pink\star y = 2

Substituting all the given values to evaluate the expression :

\implies{\tt{\dfrac{x}{4} + 3y}}

\implies{\tt{\dfrac{12}{4} + 3(2)}}

\implies{\tt{\cancel{\dfrac{12}{4}} + 3 \times 2}}

\implies{\tt{3+6}}

\implies{\tt{9}}

\large{\star{\underline{\boxed{\tt{\red{ \: 9 \: }}}}}}

Hence, the answer is 9.

\rule{300}{2.5}

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Question 5 Multiple Choice Worth 1 points) (04.05 MC) Determine if the ordered pair (-1 , -5) is a solution to the inequality y≤
Zielflug [23.3K]

Answer:

(-1, -5) satisfies the inequality and will be the solution to the inequality.

From the attached figure, it is clear that  (-1, -5) is below the line.

Therefore, the correct option is:

''Yes, because 1-1, 5) is on the line​''.

Step-by-step explanation:

Given the inequality

y\le -\frac{3}{4}x-1

substituting (-1, -5)  to check whether it satisfies the inequality or not

-5\le \:-\frac{3}{4}\left(-1\right)-1

-5\:\le \:\frac{3}{4}-1

-5\:\le -\frac{1}{4}

TRUE

Thus, (-1, -5) satisfies the inequality and will be the solution to the inequality.

From the attached figure, it is clear that  (-1, -5) is below the line.

Therefore, the correct option is:

''Yes, because 1-1, 5) is on the line​''.

4 0
3 years ago
The volume of 10,000drops of a liquid is 10 fluid ounces. what is the volume of 100 drops.
KIM [24]

We can write a proportion for this problem

10,000drops of a liquid is 10 fluid ounces

100 drops of a liquid is x fluid ounces

x=100*10/10000 =1/10 = 0.1 fluid ounces

8 0
3 years ago
Please help with algebra problem
kumpel [21]
Number of weekend minutes used: x
Number of weekday minutes used: y

This month Nick was billed for 643 minutes:
(1) x+y=643

The charge for these minutes was $35.44
Telephone company charges $0.04 per minute for weekend calls (x)
and $0.08 per minute for calls made on weekdays (y)
(2) 0.04x+0.08y=35.44

We have a system of 2 equations and 2 unkowns:
(1) x+y=643
(2) 0.04x+0.08y=35.44

Using the method of substitution
Isolating x from the first equation:
(1) x+y-y=643-y
(3) x=643-y

Replacing x by 643-y in the second equation
(2) 0.04x+0.08y=35.44
0.04(643-y)+0.08y=35.44
25.72-0.04y+0.08y=35.44
0.04y+25.72=35.44

Solving for y:
0.04y+25.72-25.72=35.44-25.72
0.04y=9.72

Dividing both sides of the equation by 0.04:
0.04y/0.04=9.72/0.04
y=243

Replacing y by 243 in the equation (3)
(3) x=643-y
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Answers:
The number of weekends minutes used was 400
The number of weekdays minutes used was 243
6 0
3 years ago
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liraira [26]
The answer is letter c, also just a tip, all i had to do was ask siri :)
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3 years ago
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Given $m\geq 2$, denote by $b^{-1}$ the inverse of $b\pmod{m}$. That is, $b^{-1}$ is the residue for which $bb^{-1}\equiv 1\pmod
goblinko [34]

(2+3)^{-1}\equiv5^{-1}\pmod7 is the number <em>L</em> such that

5L\equiv1\pmod7

Consider the first 7 multiples of 5:

5, 10, 15, 20, 25, 30, 35

Taken mod 7, these are equivalent to

5, 3, 1, 6, 4, 2, 0

This tells us that 3 is the inverse of 5 mod 7, so <em>L</em> = 3.

Similarly, compute the inverses modulo 7 of 2 and 3:

2a\equiv1\pmod7\implies a\equiv4\pmod7

since 2*4 = 8, whose residue is 1 mod 7;

3b\equiv1\pmod7\implies b\equiv5\pmod7

which we got for free by finding the inverse of 5 earlier. So

2^{-1}+3^{-1}\equiv4+5\equiv9\equiv2\pmod7

and so <em>R</em> = 2.

Then <em>L</em> - <em>R</em> = 1.

6 0
3 years ago
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