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saul85 [17]
3 years ago
5

1.Amulya is x years now. Write expressions for her age 5 years ago?

Mathematics
1 answer:
ikadub [295]3 years ago
5 0

Answer:

Step-by-step explanation:

1)    a = x - 5

a)   z = y + 5

b)  z = y - 3

c)   z = 6y

d)  z = 6y - 2

e) z = 3y + 5

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What is the area of a parallelogram with a base of 38 meters and a height of 12 meters?
8090 [49]

For this case we have by definition that the area of a parallelogram is given by:

A = b * h

Where:

b: It's the base

h: It's the height

According to the data we have:

b = 38\ m\\h = 12 \ m

Substituting in the formula:

A = 38 * 12\\A = 456

The area of the parallelogram is A = 456 \ m ^ 2

Answer:

A = 456 \ m ^ 2

4 0
4 years ago
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A line parallel to $3x-7y = 65$ passes through the point $(7,4)$ and $(0,K)$. What is the value of K?
Zepler [3.9K]

Answer:

1

Step-by-step explanation:

Hi, its you again lol.

I am in elementary btw.

I don't want to put the equation down.

6 0
3 years ago
Alegebra liner equations.
luda_lava [24]
1. The answer would be (D). This is because you will plug is the (x) of the ordered pair into the equation(y=-2x), so first off would be (y=-2(-2)). since your multiplying a negative time a negative, you will get your (y) which is 4. Now you do this with the rest. -2(1)=-2 and -2(3)=-6.
2. This would be (A). This answer is simple. First you will take one of the equations (y=-x-1) and plug x into it's place so, y=-3-1, getting your answer(y) as being -4. Now you do the same with the other pair. y=-5-1, getting -6, showing (A) as your answer.
3.The answer will be (A)y is 2 times x. this is because you wou would make out the equation from the answer (y=2x). Now knowing your equation, all thats left is plugging in your (x) factors. so y=2(1), getting your (y) value of 2 and you would do this with the rest of your x factors. 
4. y=5+x
    y=5+(2)= 7
    y=5+(3)= 8
    y=5+(4)= 9
5. (B)y is 3 times x
    y=3(x)
    y=3(3)=9
    y=3(4)=12
    y=3(5)=15
6. (C)y is 6 less than x
    y=6-(x)
    y=6-(8)=2
    y=6-(9)=3
    y=6-(10)=4
5 0
3 years ago
Are the answers for 1-3 correct? I need help with 4 and 5!!! Please!
vovangra [49]
1.

a. 12d² -6d

b. 6c^5 + 8c^4 -10c³

c. correct

2. 

a. correct

b. correct

c. 12r^8-6r^4 + 9r^2, then multiply the rest by -1

3. correct

4. x² + 10

5. d=4, -1/3
8 0
3 years ago
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does anyone have the unit 3 expressions, equations, and inequalities unit test: B answer key. i really really need it. this is a
Vilka [71]

Answer:

sorry but you can write question instead of writing that because some of you may know that but others donot knew it

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3 years ago
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