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RUDIKE [14]
2 years ago
12

Complete the missing value in the solution to the equation. y=-2x+4 y=-2

Mathematics
1 answer:
anygoal [31]2 years ago
3 0

Answer:

X=3,y=-2

Step-by-step explanation:

This is a simultaneous equation question and we will have to solve using substitution method

So let's solve

y=-2x+4...(1)

y=-2....(2)

Let's substitute (2) into (1)

-2=-2x+4

Substrate 4 from both sides

-6=-2x

Divide both sides by-2

x=3

Substitute the value of x in (1)

y=-2(3)+4

y=-6+4

y=-2

Therefore x is 3,y is -2

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Middle school problem attached :D
suter [353]

Answer: $638.40

Step-by-step explanation:

45% converted to a decimal is 0.45

0.45 of $1200 = 0.45* $1200 (of in this case means multiply)

0.45 * $1200= $440

Because they said 11% of remaining salary, we have to do:

$1200-$440=$760

Now 11% converted to a decimal is 0.11

5% converted to a decimal is 0.05

So 0.11+0.05

0.11+0.05= 0.16

Now 0.16 *$760=$121.60

Now we find the remaining amount so we subtract: $760-$121.60= $638.40

So our answer is $638.40 left

7 0
1 year ago
Read 2 more answers
PLEASE HELP IS THIS RIGHT??????????AND EXPLAIN PLZZ
Anit [1.1K]
Add like terms

-4x+x=-3x
6-2=4

So the simplified term is 4-3x
6 0
3 years ago
Which numbers are composite numbers? Select all that are true
GuDViN [60]

Answer:

49

35

32

Hope this helped!

3 0
3 years ago
Read 2 more answers
Classify the polygon as regular or irregular, and concave or convex.
Svetradugi [14.3K]

Answer:

This would be a regular polygon.

Step-by-step explanation:

A regular polygon has congruent sides and interior angles.

An irregular polygon does not have congruent sides and all interior angles.

A convex polygon does not have a interior angle greater than 180°.

Lastly, a concave polygon has only one interior angle greater than 180°.

Using the process of elimination, it would not be a convex or concave polygon. Now we have either a regular or irregular polygon. This polygon can not be a irregular polygon because all the sides are congruent. This means that this polygon is a regular polygon!

7 0
3 years ago
Can someone help quickly plz
Ira Lisetskai [31]
We have that

using a graph tool 
see the attached figure

the answer is the first option
y<=3x
y>-2x-1

7 0
2 years ago
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