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2 years ago

Here this to help the 7th graders A complete overveiw

Mathematics

2 answers:

spayn [35]2 years ago

7 0

Thank u so much ur the best >3

Ymorist [56]2 years ago

3 0

Answer: wow thank you

Step-by-step explanation:

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WINSTONCH [101]

Hello. this is the answer for your question

6 0

2 years ago

I need help!!!!please someone tell me the answer!!!!

Alexeev081 [22]

Answer:

c: v=5000(1.35)

Step-by-step explanation:

3.5 interest in point-slope decimal form is 1.35.

v=5000(1.35) is final answer

3 0

2 years ago

An airplane flies due north from ikeja airport for 500km.It then flies on a bearing of 060 from a further distance of 300km befo

Nata [24]

Answer:

482 km

63.94 degrees

Step-by-step explanation:

to solve this question we will use the cosine rule. For starters, draw your diagram. From point A, up north is 500km and 060 from there, another 300. If you join the point from the road junction back to the starting point, yoou have a triangle.

Cosine rule states that

C = $\sqrt{A^{2} + B^{2} -2AB cos(c) }$

where both A and B are the given distances, 500 and 300 respectively, C is the 3rd distance we're looking for and c is the given angle, 060

solving now, we have

C = $\sqrt{500^{2} + 300^{2} -2 * 500 * 300 cos(60) }$

C = $\sqrt{250000 + 90000 - [215000 cos(60) }]$

C = $\sqrt{340000 - [215000 * 0.5 }]$

C = $\sqrt{340000 - [107500 }]$

C = $\sqrt{232500}$

C = 482 km

The bearing can be gotten by using the Sine Rule.

$\frac{sina}{A}$ = $\frac{sinc}{C}$

sina/500 = sin60/482

482 sina = 500 sin60

sina = $\frac{500 sin60}{482}$

sina = 0.8983

a = sin^-1(0.8983)

a = 63.94 degrees

6 0

2 years ago

How do I calculate 1/5 of 125

Brrunno [24]

Answer:

You do 1/5 x 125 which equals 25

Step-by-step explanation:

4 0

2 years ago

A monk crossbred plants, which can have purple or white flowers, and obtained 539539 plants with white flowers and 373373 plan

ivann1987 [24]

Wow a lot of plants but make a Mendelson Square [looks like a tic- tac -toe board (# this super large) with p and w at the top and p and w down the side. I would some how get those numbers checked out cuz generally there are only 4 squares:)

8 0

3 years ago