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3 years ago

The triangle in this question is not drawn accurately. Use Pythagoras' Theorem to explain why triangle A must be right-angled.

Mathematics

1 answer:

Wewaii [24]3 years ago

6 0

Answer:

We know the triangle in a right triangle because of the pythagoras theorem: 5^2+12^2=13^2

25 + 144 equals 169, making it a right triangle since the equation works.

Step-by-step explanation:

I tried to explain this the best i could, hope it works :)

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What is the interest earned based upon a principal of $1,000 at a rate of 6% over 8 years????

Nata [24]

1000*(1.06)^8. I'm lazy and don't want to type this into a calculator, but what you get out is the answer.

4 0

3 years ago

A group of 20 friends were going on a picnic 7 friends were playing basketball and 5 friends were having snacks if 2 friends wer

dlinn [17]

The problem statement tells you "7 friends were playing basketball".

_____
It appears 5 friends were only playing basketball, 2 friends were playing basketball and having snacks, and 3 friends were only having snacks. Apparently, 10 friends were doing neither of those activities.

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3 years ago

A textile manufacturer wants to set up a control chart for irregularities (eg. oil stains, shop soil, loose threads, and tears)

Nookie1986 [14]

Answer:

UCLc = 25.7715519

LCLc =-4.171551971

find attached the C-chart(control chart)

Step-by-step explanation:

Sample Irregularities Sample Irregularity Sample Irregularity

1 18 6 11 11 10

2 14 7 4 12 16

3 6 8 10 13 5

4 14 9 12 14 15

5 8 10 9 15 17

Samples/Irre Cont'd

16 - 4

17 - 15

18 - 9

19 - 15

20 - 17

Using these? data, set up a? c-chart with z =33.

UCLc =

LCLc =

Sample irreg mean(CL) UCL LCL

ularities

1 18 10.8 25.77155197 -4.171551971

2 14 10.8 25.77155197 -4.171551971

3 6 10.8 25.77155197 -4.171551971

4 14 10.8 25.77155197 -4.171551971

5 8 10.8 25.77155197 -4.171551971

6 11 10.8 25.77155197 -4.171551971

7 4 10.8 25.77155197 -4.171551971

8 10 10.8 25.77155197 -4.171551971

9 12 10.8 25.77155197 -4.171551971

10 9 10.8 25.77155197 -4.171551971

11 11 10.8 25.77155197 -4.171551971

12 16 10.8 25.77155197 -4.171551971

13 5 10.8 25.77155197 -4.171551971

14 1 10.8 25.77155197 -4.171551971

15 17 10.8 25.77155197 -4.171551971

16 4 10.8 25.77155197 -4.171551971

17 15 10.8 25.77155197 -4.171551971

18 9 10.8 25.77155197 -4.171551971

19 15 10.8 25.77155197 -4.171551971

20 17 10.8 25.77155197 -4.171551971

find attached the C-chart

Download xlsx

5 0

3 years ago

Use the drawing tool(s) to form the correct answer on the provided number line.

blagie [28]

Answer:

see below

Step-by-step explanation:

Eric will drive between 70 -4 = 66 mph and 70+4 = 74 mph. He will <em>not</em> drive less than 66 or more than 74 mph.

5 0

3 years ago

Read 2 more answers

In a recipe mike uses 4 cups of brown sugar for every 3 cups of flower. What is ratio of flour to brown sugar SIMPLEST FORM.

kicyunya [14]

Answer:

3:12 = 1:4

Step-by-step explanation:

3 cups of flour = 4 cups brown sugar

4 x 3 = 12

3:12 = 1:4 (simplest form)

5 0

2 years ago