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Alex787 [66]
2 years ago
6

My brain stopped. I need help

Mathematics
1 answer:
Alisiya [41]2 years ago
5 0

Answer:

x = 99°

y = 91°

Step-by-step explanation:

For Cyclic quadrilateral, the sum of the opposite angles = 180°

Let's find x :-

x + 81° = 180°

x = 180 - 81

x = 99°

Let's find y :-

y + 89° = 180°

y = 180 - 89

y = 91°

Hope this helps you !

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What number is between 3 9/16 and 4 3/5? *<br> 4 7/8<br> 4 1/2<br> 3 1/2<br> 3 3/8
vekshin1

We have 3 9/16 = 57 / 16 = 3.56;

4 3 / 5 = 23/5 = 4. 60;

4 7/8 = 39 / 8 = 4.87;

4 1 / 2 = 9 / 2 = 4.50;

3 1 / 2 = 7 / 2 = 3.50;

3 3 / 8 = 24 / 8 = 3;

Only, 4.50 > 3.56 and 4.50 < 4.60;

Our number is 4 1 / 2.

8 0
3 years ago
Eurostar is a high-speed railway service connecting
erma4kov [3.2K]

Answer:

Step-by-step explanation:

This is simply a units conversion problem.  It gives us for the number of passengers, the number of seats per carriage and the number of carriages per train.  To change the units from passengers to trains without changing the value, we use the multiplicative identity (that is, 1).

350000 passengers

(350000 passengers) * 1

(350000 passengers) * ((1 carriage)/(32 passengers)) * ((1 train)/(15 carriages)

   [note:  passengers and carriages cancel. Leaving only trains]

(350000)*(1/32)*(1/15) trains       [note: I write this way to paste into MS Excel]

729.1667  trains                 [oh, but don’t just round this number either up or down]

   729 full trains can carry 729*32*15 = 349920 passengers

   730 full trains can carry 730*32*15 = 350400 passengers

Now, we can say that 730 trains are adequate to carry 350000 passengers.

6 0
3 years ago
F(x) = x2. What is g(x)?<br> g(x)<br> 5<br> -(1,4)<br> f(x)<br> X<br> -5<br> 5<br> -5
aev [14]

Answer:

<h2>B. <u>g(x) = 4x²</u></h2>

Step-by-step explanation:

f(x)= x²

the shape of f (x ) and g( x ) is same.

and those graphs lower point is ( 0 , 0 )

therefore,

will, g(x) = kx²    (k ∈ real numbers)

the g(x) graph goin through the point ( 1 , 4 )

therefore,

4 = k × 1²

k = 4

∴ <u>g(x) = 4x²</u>

8 0
3 years ago
Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is summarized in the histogram belo
Blababa [14]

Answer:

The sample size for the data set = 56

Step-by-step explanation:

The sample size or number of individuals (n) is gotten from a histogram by summing up the total frequencies of occurrences.

In this example, the frequencies are: 2 4 6 8 10 12 14

Therefore, the sample size (n) is calculated as follows:

n = 2 + 4 + 6 + 8 + 10 + 12 + 14 = 56

Therefore the sample size for the data set = 56

6 0
4 years ago
6m + 2(6 + 7m)=-128<br> How do I solve this step by step
Leni [432]

Answer:

M = 7

Step-by-step explanation:

6m + 2(6 + 7m) = -128

6m + 12 + 14m = -128

20m + 12 = -128

Subtract 12 both sides

20m = 140

Divide by 20 both sides

M=7

4 0
4 years ago
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