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bazaltina [42]
2 years ago
6

170 What is the mZBAC?​

Mathematics
1 answer:
Westkost [7]2 years ago
3 0

Answer:

m<BAC = 85°

Step-by-step explanation:

The measure of an inscribed angle is half the measure of its intercepted arc.

m<BAC = 170°/2

m<BAC = 85°

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Help please..........​
Ivenika [448]
Arc FE: 76°
arc DEF: 180°
arc CFD: 284°
arc DFE: 256°
4 0
3 years ago
55% of what number is 33?
EastWind [94]

Answer:

18.15

Step-by-step explanation:

55% = 55/100

33 = 33/1

33/1 x 55/100

33 x 55 = 1815

1 x 100 = 100

1815/100 = 18.15

4 0
2 years ago
9,10,12,x,20,25 find x the median is 14
boyakko [2]

Answer:

16

Step-by-step explanation:

8 0
1 year ago
Read 2 more answers
The table represents an exponential function. A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4
scoray [572]

Answer:

The multiplicative rate of change of the function is \dfrac{2}{3}

Step-by-step explanation:

You are given the table

\begin{array}{cc}x&y\\ \\1&6\\2&4\\ \\3&\dfrac{8}{3}\\ \\4&\dfrac{16}{9}\end{array}

An exponential function can be written as

y=a\cdot b^x,

where b is the multiplicative rate of change of the function.

Find a and b. Substitute first two corresponding values of x and y into the function expression:

6=a\cdot b^1\\ \\4=a\cdot b^2

Divide the second equality by the first equality:

\dfrac{4}{6}=\dfrac{a\cdot b^2}{a\cdot b^1}\Rightarrow b=\dfrac{2}{3}

Substitute it into the first equality:

6=a\cdot \dfrac{2}{3}\Rightarrow a=\dfrac{6\cdot 3}{2}=9

So, the function expression is

y=9\cdot \left(\dfrac{2}{3}\right)^x

Check whether remaining two values of x and y suit this expression:

9\cdot \left(\dfrac{2}{3}\right)^3=9\cdot \dfrac{8}{27}=\dfrac{8}{3}\\ \\9\cdot \left(\dfrac{2}{3}\right)^4=9\cdot \dfrac{16}{81}=\dfrac{16}{9}

So, the multiplicative rate of change of the function is \dfrac{2}{3}

4 0
3 years ago
Read 2 more answers
Two trains on opposite tracks leave the same station at the same time. One train travels at an average speed of 80 kilometres pe
dezoksy [38]

Answer:

1/3 hr or 20 min.

Step-by-step explanation:

Call the trains A and B

Remember d = rt

Distance train A travels is 80t

Distance train B travels is 70t

Now, 80t + 70t = 50

              150t = 50

                    t = 50/150 = 1/3 hr or 20 min.

4 0
2 years ago
Read 2 more answers
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