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Naily [24]
2 years ago
7

Please help I am lost

Mathematics
1 answer:
pshichka [43]2 years ago
4 0

Answer:

32 cm

Step-by-step explanation:

There's ALOT of extra info in this pic.

The whole big triangle is a 30°-60°-90° triangle, so the longest side (RT, the hypotenuse) is DOUBLE the shortest side.

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Passes through (2, 3) at a gradient of 2
Tcecarenko [31]

Answer:

y = 2x-1

Step-by-step explanation:

I'm guessing gradient of 2 means slope of 2

if line passes through (2,3) and has a slope of 2, we can use the slope intercept equation

slope-intercept (y=mx+b)

m is the slope and b is the y-intercept (which we are trying to find)

so far, we have a point and a slope so we can fill in x,y, and m

(3) = (2)(2) + b

3 = 4 + b

3-4 = 4-4 + b (to undo addition, you use subtraction so I minus 4 from each side)

-1 = b

we found b so we just take the (2,3) out of the equation substitute the x,y back into the equation

y = 2x - 1

6 0
2 years ago
A test has 40 questions. Denise finished 2\5 of the questions in the first 10 minutes and 1\2 of the total questions in the next
leonid [27]

Answer:

28 questions answered.

Step-by-step explanation:

40(2/5) is 16 questions.

40-16 is 24 questions left.

24(.5) is 12 questions.

16+12 gets you 28 questions.

8 0
3 years ago
Can some plz help me!
Ymorist [56]

Answer:

a=9+6

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Step-by-step explanation:

5 0
3 years ago
A 340 m wire is cut into three pieces. The second piece is 4 times as long as the first. The third piece is 3 times as long as t
USPshnik [31]

Answer: total length 5780

Step-by-step explanation:

1st wire. 340m

2nd wire. 1360m

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3 0
3 years ago
Which is it giving brainliest
LekaFEV [45]

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It's actually all of them

Step-by-step explanation:

Make sure you choose all of the above

8 0
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