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agasfer [191]
3 years ago
11

Which system of linear equations has the ordered pair (-2,8) as its solution?

Mathematics
1 answer:
dexar [7]3 years ago
8 0

Answer:

y - 2x = 12 and x - 2y = -18

for \: y - 2x \\ 8 - 2( - 2) \\ 8 + 4 \\  = 12 \\ for \: x - 2y  \\  - 2 - 2(8) \\  =  - 2 - 16 \\  =  - 18

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Hi i just need a simple explanation for this question!
Goryan [66]

Answer:

5/3

Step-by-step explanation:

3^5 = 27 ^x

Rewrite 27 and 3^3

3^5 = 3^3^x

We know that a^b^c = a^(b*c)

3^5 = 3^(3x)

The bases are the same so the exponents are the same

5 = 3x

Divide by 3

5/3 =x

6 0
3 years ago
Read 2 more answers
The yearbook club had a meeting. The meeting had 30 people, which is one-third of the club. How many people are in the club?
kirill [66]

Answer:

90

Step-by-step explanation:

if 30 is one third then 30x3 will give us our answer,90.

3 0
3 years ago
Read 2 more answers
A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3. Also, the sum
AysviL [449]

Answer:

The  graph of 3rd picture is correct Option.

Step-by-step explanation:

Let x =green and y = carrots

We make equations of the given sentences and then plot them to find the correct answer.

The equation for A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3 is

2x-y ≥ 3

The equation for the sum of the ounces of greens and twice the ounces of carrots is less than 4.

x+2y < 4

We plot both the equations and gain the graph.

The graph is attached in the figure.

The  graph of 3rd picture is correct Option.

7 0
4 years ago
What is the answer to –(d+1)&gt;3
aleksandrvk [35]

Answer:

−(d+1)>3

Step 1: Simplify both sides of the inequality.

−d−1>3

Step 2: Add 1 to both sides.

−d−1+1>3+1

−d>4

Step 3: Divide both sides by -1.

\frac{-d}{-1} >  \frac{4}{-1}

d < -4

5 0
3 years ago
-1/2x+12=-16 1/2 help<br> Plz I need it quick
Leokris [45]
Subtract 12 from both sides
- \frac{1}{2} x+12-12=-16 \frac{1}{2} -12- \frac{1}{2}x=-28 \frac{1}{2}
Divide by -\frac{1}{2} which means multiply by -2
x=-28 \frac{1}{2} *-2=57

Hope that helps

7 0
4 years ago
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