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telo118 [61]
3 years ago
11

Need answer to this, step by step if possible. if not, just send the equation POINTS

Mathematics
1 answer:
Shkiper50 [21]3 years ago
3 0

Answer:

d=8.9

Step-by-step explanation:

Distance Formula: d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>:

d=\sqrt{(4-0)^2+(-4-4)^2}

d=\sqrt{(4)^2+(-8)^2}

d=\sqrt{16+64}

d=\sqrt{80}

d=4\sqrt{5}

d=8.94427

d=8.9

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What is the average of 11, 13, 18 and 22?
kirill [66]

Answer:

16

Step-by-step explanation:

To find the average, add up all the number and divide by the number of terms

(11+ 13+ 18 + 22)/4

64/4

16

5 0
3 years ago
Read 2 more answers
The high school has 23 teachers and 575 students what is the ratio of teachers to students
Dennis_Churaev [7]

Answer:

1:25

Step-by-step explanation:

if you divide 575 by 23 you get 25, therefore there are 25 students per 1 teacher

8 0
3 years ago
3. Graph y=-4x² – 2 and its inverse. (1 point)
madam [21]

Function and its inverse was graphed.

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

y = -4x²- 2

To find the inverse function of   y = -4x²- 2 we have to transform the formula to calculate  x in terms of y.

y = -4x²- 2

-4x² = y - 2

x = √(y-2) / -4

Now we can change the letters to follow the convention that  x is the independent variable and  y is the function's value:

y = √(x-2) / -4

Now we have to draw the graph as,

It was side by side that is LHS is the function and the RHS is its inverse.

6 0
3 years ago
Find the value of X in the triangle shown below
QveST [7]

Answer:

102

Step-by-step explanation

39'+39'=78'

180-78=102

7 0
2 years ago
The measure of arc BCD is
makkiz [27]

Answer:

m∠BCD = 140°

Step-by-step explanation:

ABCD is cyclic quadrilateral. A property of cyclic quadrilateral states that the opposite angles of it sum up to 180°. Here:

m∠A + m∠C =180°         and         m∠B + m∠D = 180°

So, m∠A + m∠C =180°

m∠A = 40° (given in the question)

40° + m∠C = 180°

m∠C = 180° - 40° = 140°

∴m∠C = m∠BCD = 140°

6 0
3 years ago
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