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Alekssandra [29.7K]
2 years ago
5

What is this I really need

Mathematics
2 answers:
KatRina [158]2 years ago
8 0
Can you take a better picture 

attashe74 [19]2 years ago
6 0
9 is A right Triangle, so you got 7 wrong.You can tell because there is a 90 angle on number 9 but not in number 7.
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A car travels at an average speed of 50 km/h for 1.5 hours. How far did the car travel in km?
boyakko [2]

Answer:

75 km

Step-by-step explanation:

(50km/h)(1.5h) =<em> 75km</em>

7 0
1 year ago
Please help, last question ill probably ask on here HELP. Name the pair with the number so ik which one it is for ​
Volgvan

Answer:

shehjddjusbwsmsjsuksjsjs

3 0
3 years ago
Does anyone know what graph is correct?
VashaNatasha [74]

First graph is the correct one.

when x= 1

y=f(x) = -√1 = -1

when x= 2

y= -√2

6 0
3 years ago
Read 2 more answers
Circumference and Area questions look at the picture
Helga [31]

Note that the formula for the circumference of a circle is πd, while the formula for the area of a circle is πr².

π≈3.14

A. C=πd

Simply plug in the numbers into the formula.

Diameter=Radius*2

17*2=34

C=34(π)

B. (π)(5²)

Plug in the numbers into the formula. Remember that half of the diameter is the radius.

C.  (π)(4.5)

There are two possible formulas that could be used to calculate the circumference of a circle: πd and 2πr.

The expression above is simply multiplying the circle's radius times pi. Therefore, it is not a method that could be used to find the circumference of a circle.

D. (π)(6.5²)

Remember that the formula for calculating the area of a circle is πr².

Half of the diameter is 6.5 (13.5/2=6.5). 6.5 cm. is the radius. Now just plug the numbers into the formula.

(π)(6.5²)

Therefore, the last answer choice is the correct answer.

5 0
2 years ago
Rounded to the nearest tenth, what is the area of rectangle ABCD?
m_a_m_a [10]
AC = x, CD = 2x cause of 30° angle. Use pythagoras then
7 0
2 years ago
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