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Sergeu [11.5K]
3 years ago
7

Can anyone help me with my problems for 25 points please

Mathematics
2 answers:
madam [21]3 years ago
4 0
18.) 13.796

19.) 39.99

21.) 14.82

22.) 2.23

The decimal doesn't matter for subtraction and addition. It just goes down with the answers. 
amid [387]3 years ago
4 0
Question 18- 13.796 Question 19- 39.99 Question 21- 14.82 Question 22- 2.23

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Triangle ABC has vertices at (3,1) and (6,4).Rotate this triangle 180 degrees about the origin then reflect it over the Y-Axis.
Tems11 [23]

Answer:

3, -1

6,-4

IDK about the third vertices, you didn't give the original coordinates!

Step-by-step explanation:

180 degree rotation= (x,y) to (-x,-y)

3,1 goes to -3,-1

6,4 goes to -6, -4

IDK about the third vertice, you didn't mention it.

Reflection over y-axis= (x,y) to (-x,y)

-3, -1 goes to 3, -1

-6,-4 goes to 6,-4

hope this helps!

Brainliest?

have a good day!

5 0
3 years ago
I need help ill give uh 15?
Shtirlitz [24]

Answer:

The answer is b- 1/4 = 4 3/4

Step-by-step explanation:

B stands for the total amount of chocolate bars they started with.

Gabby ate 1/4 of those chocolate bars.

4 3/4 of the chocolate bars were left after that.

So, total amount of bars - what Gabby ate =  chocolate bars that are left

b - 1/4 = 4 3/4

3 0
3 years ago
A triangle has interior angles measuring 40° and 52°.
svp [43]
There are two correct answers. Numbers 3 4 are both correct. The sum of all angles in a triangle must add up to 180°. The two given where are 40° and 52°. If you subtract these from 180°, the remaining angle would be 88°. Choices 3 and4 both give two possible angles.
4 0
3 years ago
Which of the following expressions is equivalent to 3x^2+6x-24? A. 3(x+2)(x-4) B. 3(x-2)(x+4) C. (x+6)(x-12) D. (x-6)(x+12)
serg [7]

Answer:

3(x+4) (x-2)

Step-by-step explanation:

3x^2+6x-24

Factor out a 3

3(x^2 +2x-8)

Now we factor inside

What 2 numbers multiply to -8 and add to 2

4*-2 =-8

4+-2 =2

3(x+4) (x-2)

7 0
3 years ago
Using the number line above, write the integer that each point represents
zloy xaker [14]

Answer:

E= -6

D=  4

B =- 4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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