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Nesterboy [21]
2 years ago
11

Gabby is 2 kg heavier than her sister who weighs 3.4 kg. what is their combined weight?​

Mathematics
1 answer:
lesya692 [45]2 years ago
6 0

Answer:

8.8 kg

Step-by-step explanation:

yes

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What is the additive identity of a
Lady_Fox [76]

Answer:

a+0 (or just 0)

Step-by-step explanation:

The additive identity is when you add any number by zero.  This is because an additive identity is what number do you add to make the same number (since it's additive it is zero, if it were multiplicative, it'd be 1)

6 0
3 years ago
If f(x)=-3x-2, find f(-2)+9
mash [69]

Answer:

13

Step-by-step explanation:

Replace the variable x with -2 in the expression.

f (-2) = -3 x -2 -2

Simplify (-3 x -2 -2) + 9

Multiply -3 by -2

6 - 2 + 9

Subtract 2 from 6

4 + 9

add 4 and 9

13.

4 0
3 years ago
Questions 2,4,5,6,7 and 8 I need help on. I’ll give brainliest to whoever can answer correctly
lions [1.4K]

Answer:

7.

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3 0
2 years ago
25 POINTS
uysha [10]

Answer:

a reflection over the x-axis and then a 90 degree clockwise rotation about the origin

Step-by-step explanation:

Lets suppose triangle JKL has the vertices on the points as follows:

J: (-1,0)

K: (0,0)

L: (0,1)

This gives us a triangle in the second quadrant with the 90 degrees corner on the origin. It says that this is then transformed by performing a 90 degree clockwise rotation about the origin and then a reflection over the y-axis. If we rotate it 90 degrees clockwise we end up with:

J: (0,1) , K: (0,0), L: (1,0)

Then we reflect it across the y-axis and get:

J: (0,1), K:(0,0), L: (-1,0)


Now we go through each answer and look for the one that ends up in the second quadrant;

If we do a reflection over the y-axis and then a 90 degree clockwise rotation about the origin we end up in the fourth quadrant.

If we do a reflection over the x-axis and then a 90 degree counterclockwise rotation about the origin we also end up in the fourth quadrant.

If we do a reflection over the x-axis and then a reflection over the y-axis we also end up in the fourth quadrant.

The third answer is the only one that yields a transformation which leads back to the original position.

4 0
3 years ago
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How many cubes that have a edge length 1/2 inch are need to make a 1 cubic inch?
Nana76 [90]
The answer is D hope this helps
7 0
3 years ago
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