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geniusboy [140]
3 years ago
13

The diagram shows a trapezium PQRS. Find the length of side PQ, in cm​

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

30 cm.

Step-by-step explanation:

Draw a line from R perpendicular to PQ to meet PQ at T.

RQT forms a right-angled triangle  with RT = SP = 15.

So tan 36.87 = RT / TQ

tan 36.87 =  15 / TQ

TQ = 15 / tan 36.87

=  20 cm.

Now  PT = SR = 10, so

PQ = 10 + 20

= 30 cm.

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Use the digits 0 - 9 to write five decimal numbers that arranged in ascending order.use each digit once in each decimal number.​
Kryger [21]

Answer:

0.1, 2.3, 4.5, 6.7, 8.9

or

1.0, 3.2, 5.4, 7.6, 9.8

4 0
3 years ago
44) The difference of two numbers is 76. The second number is 20% of the first number. What are the numbers?
Nina [5.8K]

Answer:

C

Step-by-step explanation:

Not A b/c the difference b/w 85 and 17 is not 76

Not D b/c the difference b/w 97 and 17 is not 76

Not B b/c 16 is not 20% of 92

By the process of elimination the answer is C

3 0
3 years ago
HELP ASAP 30 PTS<br> determine the range of the following graph:
Kisachek [45]

Answer:

-6\leq y∠ 4

Step-by-step explanation:

range is the values for y: y can be (including) -6 all the way up to (not including) 4

5 0
3 years ago
I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.
Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

so

\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20

thanks

6 0
3 years ago
I WILL MARK BRAINLIEST
vekshin1
Hello!

You can use the Pythagorean Theorem

a^{2} + b^{2} = c^{2}

c is the hypotenuse which is the side across the right angle
a and b are the other sides

Put in the values you know

a^{2} + 5^{2} = 12^{2}

Square the numbers

a^{2} + 25 = 144

Subtract 25 from both sides

a^{2} = 119

Take the square root of both sides

a = 10.9

The answer is D) 10.9 centimeters

Hope this helps!
3 0
3 years ago
Read 2 more answers
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