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kati45 [8]
3 years ago
12

This figure shows △XYZ . MZ is the angle bisector of ∠YZX .

Mathematics
1 answer:
frosja888 [35]3 years ago
3 0
\frac{3.5}{x} = \frac{7}{11} \\ \\ 3.5*11  \\ 7*x   \\  \\ \frac{7x}{7} =  \frac{38.5}{7}  \\  \\ x = 5.5
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A store has 125 scientific calculators.
aleksley [76]

Answer:

Brand x: 80

Brand y: 45

Step-by-step explanation:

x + y = 125

20x + 15y = 2275

    -20x - 20y = -2500

(+)  20x + 15y = 2275

--------------------------------

               -5y = -225

y = 45

x + y = 125

x + 45 = 125

x = 80

Answer:

Brand x: 80

Brand y: 45

7 0
3 years ago
Rewrite the equation below so that it does not have fractions.
elixir [45]
I don’t know!!!!!!!!!!!!!!! I’m sry!!!!!!!!!!!!!!
8 0
3 years ago
Select five numbers that have 7, 13, and 3 as prime factors.
MaRussiya [10]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
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Which is the correct calculation of the y-coordinate of point A? 0 (0 - 0)2 + (1 - y2 = 2 O (0 - 1)² + (0- y2 = 22 (0-0)² + (1 -
dimaraw [331]

Answer:

The y-coordinate of point A is \sqrt{3}.  

Step-by-step explanation:

The equation of the circle is represented by the following expression:

(x-h)^{2}+(y-k)^{2} = r^{2} (1)

Where:

x - Independent variable.

y - Dependent variable.

h, k - Coordinates of the center of the circle.

r - Radius of the circle.

If we know that h = 0, k = 0 and r = 2, then the equation of the circle is:

x^{2} + y^{2} = 4 (1b)

Then, we clear y within (1b):

y^{2} = 4 - x^{2}

y = \pm \sqrt{4-x^{2}} (2)

If we know that x = 1, then the y-coordinate of point A is:

y = \sqrt{4-1^{2}}

y = \sqrt{3}

The y-coordinate of point A is \sqrt{3}.  

4 0
3 years ago
Can you help me please 3-4 please hurry
Arte-miy333 [17]

Answer:

3)  m = 18  

4)  p = 2

Step-by-step explanation:

7 0
3 years ago
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