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Dmitriy789 [7]
3 years ago
7

Which triangles (if any) can be shown to be congruent using a rotation? A) 1 and 2 B) 2 and 3 C) 1 and 3 D) none

Mathematics
1 answer:
Talja [164]3 years ago
6 0
The answer is 1 and 3. 
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How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm​
satela [25.4K]

if you take the radius of the first and second sphere you find that they are doubled there fore the volume changed at a rate of 2 squared because 2 is what the radius was multiplied by going from the second sphere to the first so you would square what the sphere was multiplied by there fore making your answer: the volume is compares with 2 squared

5 0
3 years ago
A barbecue sold 26 hamburgers and hot dogs. Hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. If the barbecue mad
Angelina_Jolie [31]

x => Hamburgers

y => Hot dogs


x + y = 26

3.5x + 2y = 70


-2x - 2y = -52

3.5x + 2y = 70

-----------------------

1.5x = 18

x = 18 / 1.5 = 12

y = 26 - 12 = 14


They sold 12 hamburgers and 14 hot dogs

7 0
3 years ago
The area of a parallelogram is 16.8 square inches. If the base of the parallelogram is 1.5 inches, what is its height?
zubka84 [21]

Answer: the height is 11.2

Step-by-step explanation:

5 0
3 years ago
20 points and brainliest if answered correctly
Elena L [17]

Answer:

y=9,x=4

Step-by-step explanation:

System of equations:

x+y=13

60x+80y=960

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simplify:(isolate x)

x=\frac{4(-y+12)}{3}

x+y=13\\

substitute equation for x into second equation:

\frac{4(-y+12)}{3} +y=13\\

simplify:

\frac{-y+48}{3}=13\\ y=9\\

substitute y into equation for x:

x=4

5 0
2 years ago
What number is the smallest 4 digit number
Marrrta [24]

Answer:

1000

Step-by-step explanation:

This is because the number before 1000 is 999 which is the largest 3 digit number, therefore making 1000 the smallest 4 digit number.

4 0
3 years ago
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