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Sophie [7]
2 years ago
15

Please help me pleasee

Mathematics
1 answer:
ryzh [129]2 years ago
7 0

Answer:

<em>x = y = 64° , z = 20°</em>

Step-by-step explanation:

<em>x = y</em> = \frac{180-52}{2} <em>= 64 </em>°

m∠ADC = 52° + x

m∠ADC = 52° + 64° = 116°

<em>z</em> = 180° - 116° - 44° <em>= 20</em> °

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12. Match the function with the correct parabola.
Mekhanik [1.2K]

Step-by-step explanation:

a x^2/4

b -x^2/4+3

c 4x^2

d -x^2

6 0
3 years ago
You put $100 in an account that<br> pays 5% interest yearly.
slavikrds [6]

Answer:

In a year, $105

In a decade, $150

In a century, $600

In a milleniun, $5100

Step-by-step explanation:

The formula is very simple: Multiply by 5 each year, and then you add it to the $100

8 0
3 years ago
Suppose that the division N/5 leaves a remainder of 4, and the division N/2 leaves a remainder of 1, what is the ones digit on N
Tju [1.3M]

Since <em>N</em>/2 leaves a remainder, <em>N</em> must be odd and ends with 1, 3, 5, 7, or 9.

<em>N</em>/5 also leaves a remainder, so <em>N</em> is not divisible by 5, so it does not end in 5.

The only correct choice is then 9, since

1 = 0•5 + 1 and 1 = 0•2 + 1

3 = 0•5 + 3 and 3 = 1•2 + 1

7 = 1•5 + 2 and 7 = 3•2 + 1

9 = 1•5 + <u>4</u> and 9 = 4•2 + <u>1</u>

<u />

Alternatively, the given information is equivalent to saying

N\equiv 4\pmod5\\\\N\equiv1\pmod2

Then you can use the Chinese remainder theorem to find <em>N</em>.

7 0
3 years ago
Solve this equation: 2x = 5
Scrat [10]

Answer:

2.5

Step-by-step explanation:

2x = 5

x = 5/2 = 2.5

I hope im right!!

7 0
3 years ago
Read 2 more answers
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Leona [35]

Answer:

60

Step-by-step explanation:

Tangents to a circle from a common external point are congruent, thus

JA = JB = 6

AL = KC = 11

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Thus

perimeter = 2(6) + 2(11) + 2(13) = 12 + 22 + 26 = 60

7 0
3 years ago
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