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Anestetic [448]
4 years ago
13

Pls help due soon. ​

Mathematics
2 answers:
egoroff_w [7]4 years ago
4 0

Step-by-step explanation:

If you are satisfied with the answer then plz make me genius

alexgriva [62]4 years ago
3 0

Answer:

74

pls give brainliest

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X+4y=30 system by substitution <br><br> X-2y=0
Dmitry [639]

Answer:

x=10, y=5

Step-by-step explanation:

For substitution, you always want to get the variable alone. The second equation (x-2y=0) will be easier to substitute into the first equation.

x-2y=0

x=2y

You can substitute 2y as x on the first equation (x+4y=30).

2y+4y=30

6y=30

y=5

Plug y=5 into any equation.

x+4(5)=30

x+20=30

x=10

3 0
3 years ago
What is the equation of the line that passes through the point (2,-1) and has a slope of 3/2
Assoli18 [71]

Answer:

y=3/2x-4

Step-by-step explanation:

y=3/2x+b

-1=3/2(2)+b

-1=3+b

-4=b

y=3/2x-4

5 0
3 years ago
Name all rays with the endpoint k
Alex_Xolod [135]
Number is already correct.

but the other two answer are...

2. KL and KV

3. Another name for VL is LV
4 0
4 years ago
Melissa put her cat, Herman, on a diet and kept track of his weight. At the end of 4 weeks, she recorded Herman's weight change
Sergio [31]

The cats weight change each week is -1\frac{1}{8} ounces

<h3><u>Solution:</u></h3>

Given that, Melissa put her cat, Herman, on a diet and kept track of his weight.  

At the end of 4 weeks, she recorded Herman's weight change as -4\frac{1}{2} ounces.  

She noticed that he had lost the same amount of weight each week.  

We have to find what is Herman's weight change each week of the diet?

Now, let the weight lost per week be n ounces.

Then, in total he lost 4n ounces in 4 weeks

And we are given that, lost wait is -4\frac{1}{2} ounces

\begin{array}{l}{4 n=-(4 \frac{1}{2}) \text { ounces }} \\\\ {4 n=-(\frac{4 \times 2+1}{2})} \\\\ {4 n=-(\frac{9}{2})} \\\\ {n=-(\frac{9}{8})=-(\frac{8+1}{8})=-1 \frac{1}{8} \text { ounces }}\end{array}

Here negative sign indicates cat is losing weight

Hence, the cats weight change each week is -1\frac{1}{8} ounces

7 0
4 years ago
Which ordered pair is a solution to the equation y= 6x - 2?
Dmitry [639]

Answer:

  • (5, 28)

Step-by-step explanation:

  • y= 6x - 2

Verifying pairs:

(1,0)

  • 0 = 6*1 - 2
  • 0 = 4 - incorrect

(5, 28)

  • 28 = 6*5 - 2
  • 28 = 30 -2
  • 28 = 28 - correct

(6, 20)

  • 20 = 6*6 - 2
  • 20 = 36 - 2
  • 20 = 34 - incorrect

(3, 19)

  • 19 = 6*3 - 2
  • 19 = 18 - 2
  • 19 = 16 - incorrect
4 0
3 years ago
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