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const2013 [10]
2 years ago
9

One thousand and twenty students participated in the school math contest.

Mathematics
1 answer:
Tema [17]2 years ago
6 0

Answer:

sample 1: 75

sample 2: 86

Step-by-step explanation:

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100 points.<br> Find the surface area of the triangular prism. The unit is cm^2
nikklg [1K]
First we find the area of the two triangles on each side (keep in mind that they are equal/congruent to each other):

(24*10)/2 = 120 cm^2

Then you find the areas of the three rectangles that are left:

24*19 = 456 cm^2
26*19 = 494 cm^2
10*19 = 190 cm^2

Finally, to find the surface area of the prism:

120+120+456+494+190 = 1,380 cm^2

6 0
2 years ago
Read 2 more answers
A pentagon is formed by connecting the tips of a starfish's leds, as shown below
Igoryamba

Answer:

The area is 161

Step-by-step explanation:

brainliest?

7 0
3 years ago
I don’t understand how any help
Alona [7]

Answer:yellow .

Step-by-step explanation: you’re moving over 2 to the right. Right is positive. Down is negative, and since you’re doing 2 to the right, and down 1, we have (2,-1)

5 0
2 years ago
Please it’s an emergency
taurus [48]

Answer: C

Step-by-step explanation:

Okay first set a comparison since the two triangles are similar

x-1/20=x-1+27/3x+8

x-1/20 = x+26/3x+8

cross multiply

20x+520=3x^2+8x-3x-8

3x^2-15x-528=0

3(x^2-5x-176)=0

im kinda lazy to factor this out so i used an online calculator right here but factor it out like a good kid

x=16, x=-11

it has to be positive so x=16

C

6 0
3 years ago
Shelton mixed cups of purple cabbage and cups of lettuce to make a big salad. Each day he eats of a cup of salad. Which expressi
uranmaximum [27]

Answer:

1/4 times 3/8= 3/4

Step-by-step explanation: or 0.09375 please mark me brainlest if its wrong so sorry

7 0
2 years ago
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