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Andrews [41]
3 years ago
7

Brainers, please help me, please.

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

x = 33

Step-by-step explanation:

   14            22

--------  =  ---------

   21            x

Cross multiply

14x = 462

x = 33

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Please help me with this question.​
earnstyle [38]

Answer:  a) 110√2 meters

                b) 2.42 hectares

<u>Step-by-step explanation:</u>

a) Since it is a square, the diagonal cuts the square into two 45-45-90 triangles where the diagonal is the hypotenuse.  Therefore, the sides are length x and the diagonal is length x√2.

x\sqrt2=220\\\\\\x=\dfrac{220}{\sqrt2}\\\\\\x=\dfrac{220}{\sqrt2}\bigg(\dfrac{\sqrt2}{\sqrt2}\bigg)\\\\\\x=\large\boxed{110\sqrt2}

b) Area of a square is side squared.    10,000 meters² = 1 hectare

   A=(110\sqrt2)^2\\\\.\quad =(110)^2(\sqrt2)^2\\\\.\quad =12100(2)\\\\.\quad =24200\ \text{meters}^2\\\\.\quad =\large\boxed{2.42\ \text{hectares}}

6 0
3 years ago
what is the probability of selecting a red marble followed by a blue marble if you replace the marble in between drawing. a box
vredina [299]
Basically, choosing one red marble out of everything is 3 / 10 because there are 3 chances of picking the red marble and 10 marbles overall. Picking one blue marble would be 6 / 10, or 3 / 5. You would multiply these two probabilities together because they are independent of each other:

(3 / 10)*(3 / 5) = 9 / 50

The probability is 9 / 50.
5 0
2 years ago
Can someone please help me solve for X i’m really confused and I really need help please
DochEvi [55]

Answer: x = 7

Step-by-step explanation:

sure thing! so, one angle is 34 degrees, and the other clear angle is 60 degrees. we know that because the angle on the lower shape matches that one. we then just add those, which comes out to 94 degrees. a triangle is 180 degrees, so we subtract 94 from that in order to figure out the total degrees in that last angle. that angle comes out to be 86 degrees. then, we subtract 2 in order to divide easily. we then divide 84 by 12, and we get 7. so, x = 7

4 0
3 years ago
So 59 rounded to the nearest ten is​
zzz [600]

Answer:

60

This is because a number 5 or above is rounded up. Lower than 5 is equal to the lower number.

3 0
2 years ago
Read 2 more answers
Pamela rode her bike at a constant rate of 0.1 kilometer per minute. Which table represents y , the number of kilometers Pamela
ArbitrLikvidat [17]

Answer:

<em><u>B, The second table.</u></em>

Step-by-step explanation:

If you rode a bike 0.1 Kilometers per minute, and you ride for 5 minutes, you would have biked <em><u>0.5 Kilometers</u></em>, not 0.1 Kilometers.

Hope I helped! Please leave a rating and a comment! :)

3 0
3 years ago
Read 2 more answers
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