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3 years ago

Please help me thank you

Mathematics

2 answers:

telo118 [61]3 years ago

7 0

The answer is ...

Parallel

Doss [256]3 years ago

3 0

Answer:

Parallel

Step-by-step explanation:

Sana makatulong yung sagot ko# carry on your learning dipo ako masyadong matalino pero kaya ko po kayung tulungan sa lahat nang question

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Bhurashi did 8 out of 10 math problems and Bishwant did 11 out of 15 similar math problems. Express the number of problems solve

ohaa [14]

8 over 10 times by 100, and 11 over 15 times by 100 to find in percentage. Whichever number is bigger is your answer.

4 0

2 years ago

1. Bob tried to answer the following question by finding the missing angle and rounding the answer to the nearest degree.

iren2701 [21]

Answer:

Part 1)

Bob's mistake was to have used the cosine instead of the sine

The measure of the missing angle is $53.13\°$

Part 2) The surface area of the pyramid is $288\ cm^{2}$

Step-by-step explanation:

Part 1)

Let

x----> the missing angle

we know that

In the right triangle o the figure

The sine of angle x is equal to divide the opposite side angle x to the hypotenuse of the right triangle

$sin(x)=\frac{16}{20}$

$x=arcsin(\frac{16}{20})=53.13\°$

Bob's mistake was to have used the cosine instead of the sine

Part 2) we know that

The surface area of the square pyramid is equal to the area of the square base plus the area of its four lateral triangular faces

$SA=b^{2}+4[\frac{1}{2}(b)(h)]$

where

b is the length side of the square

h is the height of the triangular lateral face

In this problem

$h=b/2$ -------> by an 45° angle

$b=2h$

$sin(45\°)=\frac{h}{6\sqrt{2}}$

$h=6\sqrt{2}(sin(45\°))=6\ cm$

Find the value of b

$b=2(6)=12\ cm$

Find the surface area

$SA=12^{2}+4[\frac{1}{2}(12)(6)]=288\ cm^{2}$

3 0

3 years ago

Can u guys PLEASE answer this question ASAP. THIS IS EXTREMELY URGENT

Ulleksa [173]

Answer:

The answer to your question is $56

Step-by-step explanation:

Data

Payment before noon = $11.20

Payment after noon = $11.20/2

Time from 9:00 to 16:00

Process

1.- Calculate the hours worked before noon and the hours worked after noon.

Before noon = 12:00 - 9 = 3 hours

After noon = 16:00 - 12:00 = 4 hours

2.- Calculate the payment

Payment = (3 x 11.2) + (4 x 11.2/2)

= 33.6 + 22.4

= $56

8 0

3 years ago

104, 137, 154, 131, x; mean = 130

pochemuha

7 0

3 years ago

Round 54,878 to the nearest ten thousand.

Finger [1]

Answer:

50,000

Step-by-step explanation:

hope this helps c:

6 0

2 years ago