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lord [1]
3 years ago
10

Penguin or Duck?

Mathematics
2 answers:
Sonja [21]3 years ago
7 0

Answer:

9 students chose duck

Step-by-step explanation:

The question says "6 <em><u>more</u></em> students chose duck <em><u>than</u></em> chose penguin"

This means that you would add 6 to the number that chose penguin, which is 3.

6 + 3 = 9

amm18123 years ago
5 0

Answer:

9

Step-by-step explanation:

6+3=9

and this is very is easy

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Nonsense will be reported!!​
Ainat [17]

[8] The hypotenuses must be congruent, DE and IJ

     HL is hypotenuse-leg, or where the hypotenuse and one leg are congruent.

     Since we see a leg is congruent, to prove they are congruent with HL we will need to know that the hypotenuses are congruent.

[9] Another leg, AC and YX

     LL is leg-leg. Since we have one leg, we will need the other leg to prove the triangles are congruent by LL.

[10] A leg, DE and E? or FE and E?

     LA means leg-angle. The angles by point E are vertical angles, so they will be congruent. To finish prooving the congruence using LA we will also need a leg.

-> The question marks are because the letters are too blurry to read.

8 0
2 years ago
Pratap puri Row 22 miles down a river in two hours but the return trip took him 5 1/2 hours find the rate pratap Control in Stil
Natalija [7]

Answer:

x= 7.5 mile/h

y= 3.5 miles / h

Step-by-step explanation:

Given x and y

so, x+y = speed down river

and x-y= speed up river

using

travel time = distance / speed for each case;

we get;

22/x+y=2  ---(1)

and

22/x-y=5.5 -----(2)

Solving equations simultaneously

eq 1 gives

2x+2y=22  ---(3)

eq 2 gives

5.5x-5.5y=22 ----(4)

Multiply eq 3 by 2.75

==> 5.5x+5.5y=60.5 --- (5)

adding eq 4 with eq 5

==> 11x =82.5

==> x= 7.5 miles/h

put this value in eq 3

==> 2(7.5)+2y=22

==> 2y=22-19.8

==> 2y=7

==> y = 3.5

4 0
3 years ago
It takes Billy 40 minutes to drive to his friends house at his normal speed but it takes two hours if he drives 20 mph slower ho
bulgar [2K]

Answer:

Step-by-step explanation:

d/t=mph

8 0
2 years ago
First try was incorrect
Veronika [31]

Answer:

Circumference = 2(pi)r

C = 2*3.14*4.0= 25.12 round 25.10 m

Step-by-step explanation:

7 0
3 years ago
How would you find the values of x and y?
Ipatiy [6.2K]
If you havent learnt Sin, Cos yet, let me know, so we can try the other solutions.

6 0
3 years ago
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