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ad-work [718]
4 years ago
7

Last question. What is m∠CAD? a. 20° b. 80° c. 100° d. 110°

Mathematics
2 answers:
Naya [18.7K]4 years ago
6 0
C. 100 degrees 

Use the exterior angle theorem or supplemental angles and consecutive interior sum of angles (80 + 20 + CAB=180, CAB=80, CAB + CAD=180, 80 + CAD=180, CAD=100)
enot [183]4 years ago
5 0
< CAD = < ACB + < CBA
< CAD = 80 + 20
< CAD = 100
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–3(x – 14) + 9x = 6x + 42
sesenic [268]

Answer:

All real numbers

0 = 0

Step-by-step explanation:

Hope i'm right

Solving this equation results in the statement 0 = 0. Because this is a true statement, the equation has infinitely many solutions.

3 0
3 years ago
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HELP PLEASE <br> I need to know a line that goes through (17,1/3) and (25 1/2,1/2) aka the slope
konstantin123 [22]

Answer:

0.16/8.5

Step-by-step explanation:

so to get the slope use (Y2-Y1) over (X2-X1)

this means that the formula is

1/2-1/3

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25.5- 17

6 0
3 years ago
Y=2/3(x-5)^2
Anvisha [2.4K]

Answer:

  see below

Step-by-step explanation:

The graph opens upward if the sign of the squared term is positive. If that sign is negative, the graph opens downward. The first three equations open upward; the last opens downward.

The line of symmetry is the value of x that makes the squared term zero. Here, that is x=5 for all equations.

<u>y=2/3(x-5)^2</u>:  A, D

<u>y=1/2(x-5)^2</u>:  A, D

<u>y=3/4(x-5)^2</u>:  A, D

<u>y=-4(x-5)^2</u>:  B, D

8 0
4 years ago
Determine the probability of having 1 girl and 3 boys i a 4 child family assuming boys and girls are equally likely
Helga [31]

Answer:

\frac{1}{4}

Step-by-step explanation:

Im glad i could help out.

4 0
3 years ago
Solve the system using elimination: Help me please<br><br><br>12x - 8y = -12 <br><br>6x + 4y = -30
LUCKY_DIMON [66]

12x - 8y = -12  

6x + 4y = -30

Multiply the 2nd equation by 2, to make the Y coefficients opposite:

6x + 4y = -30 x 2 = 12x + 8y = -60

Now add the two equations:

12x -8y = -12 + 12x +8y = -60

=  24x = -72

Divide bothe sides by 24 to solve for x:

x = -72/24

x = -3

Now replace x with -3 in the first equation to solve for y:

12(-3) - 8y = -12

-36 - 8y = -12

Add 36 to each side:

-8y = 24

Divide both sides by -8 to solve for y:

y = 24 / -8

y = -3

X = -3 and y = -3

(-3,-3)

4 0
4 years ago
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