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Nadya [2.5K]
2 years ago
12

Anybody know this? I’m not sure how to do it at all.

Mathematics
2 answers:
irina1246 [14]2 years ago
7 0

Answer:

1. 70°

2. 42°

Step-by-step explanation:

they are both isosceles Triangles as both diagrams state that they have two sides the same length. therefore their base angles will be equal.

1. 55 + 55 = 110

180 - 110 = 70°

2. 180 - 96 = 84

84/2 = 42°

Crazy boy [7]2 years ago
5 0
2 is 42 but i’m not sure about one
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∠1 and ∠2 are vertical angles. If m∠2 = 124°, find the measure of the supplement of ∠1 plzzz i need help
Veronika [31]

Answer:

∠1 = 124 degrees

Step-by-step explanation:

Vertical angles are always congruent

So ∠1  = ∠2

6 0
3 years ago
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Choose all that are correct given the equation:
Novay_Z [31]

Answer:

A), B) & D).

Step-by-step explanation:

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3 years ago
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Help Please need help
Olenka [21]
Table:

x      y

-3    0.5

-2    1

-1     2.5

0      5

1      8.5

Now, y = ax^2 + bx + c

Start replacing x = 0 and y = 5

5 = a(0) + b(0) + c => c = 5.

Now, replace any other two pair of data:

(-2, 1) => -1 = a(-2)^2 + b(-2)

-1 = 4a - 2b

(1, 8.5) => 8.5 = a(1)^2 + b(1)

8.5 = a + b

Solve the system

4a - 2b = - 1
a + b = 8.5

=>

4a - 2b = - 1
2a + 2b = 17
-------------------------

6a = 16

=> a = 16 / 6 = 8/3

b = 8.5 - a = 17/2 - 8/3 = 35/6

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6 0
2 years ago
Help me pls I'm so confused and this is due in the morning pls help. look at pic​
Sloan [31]

Answer:

the equation that has the same solution as the given expression is

m + 7.28 = 18.28

Step-by-step explanation:

Given expression;

0.2m = 2.20

To solve for m, divide both sides by 0.2

\frac{0.2 m}{0.2} = \frac{2.2}{0.2} \\\\m = 11

From the given options, the equation that has the same solution as the given expression is m + 7.28 = 18.28

Solve the equation to confirm as follows;

m + 7.28 = 18.28

collect like terms

m = 18.28 - 7.28

m = 11

7 0
2 years ago
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