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ddd [48]
3 years ago
9

Draw as many different triangles as possible that have two sides of length 4 cm and a 45∘ angle. How many can you draw?

Mathematics
1 answer:
zmey [24]3 years ago
7 0
The answer is 3 sorry if it’s wrong
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Find the length of the arc of a circle with radius of 20 centimeters intercepted by a central angle of 45 degrees
oksian1 [2.3K]

If the radius is 20cm, the circumference is

C = 2\pi r = 40\pi centimeters.

Now, 45° is one eighth of a whole turn, so the arc intercepted by a 45° angle is one eighth of the whole circumference, so the answer is

\dfrac{40\pi}{8} = 5\pi

8 0
3 years ago
Given that an = 3an - 1 + 1, where a1 = 2, find the 3rd-6th terms of the sequence.
marishachu [46]
For the answer to the question above, <span>if 
a1 = 2, 
then 
a2 = 3a1 + 1 
a3 = 3a2 + 1 = 3
Then, we can finally solve for terms of sequence.
(3a1 + 1) + 1 = 9a1 + 4 = 9(2) + 4 = 22 

So the answer to your question is,
</span><span>22, 67, 202, 607  
</span>
I hope my answer helped you. Have a nice day!
8 0
3 years ago
Last year, each Capulet wrote 4 essays, each Montague wrote 6 essays, and both families wrote 100 essays in total.
SVEN [57.7K]

Answer: There are 16 Capulets and 6 Montaques.

Step-by-step explanation:Other choices were either less than or greater than 200 multiplied by each other. If we do 16x8 which is 128 for the Capulets. Also, if we do 12x6 which is 72 for the Montaques. 128+72=200 essays in total

8 0
3 years ago
One number is 3 less than 4 times a second number. The difference of the first number and twice the second number is 7. What are
Nikolay [14]

Answer:

atq= let no.be x and y

x= 4y-3.......(1)

x-2y=7....(2)

subtracting both eqn

x-x+2y=4y-3-7

2y=4y-10

-2y= -10

y=5 ........second no.

first no...x=7+2y=7+10=17.......first no....

5 0
3 years ago
Z+k, when z=1 and k = 7
Vinvika [58]

Answer:

8

Step-by-step explanation:

Replace the variables with numbers.

1+7=8

6 0
3 years ago
Read 2 more answers
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