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3 years ago

What is one third of 45

Mathematics

2 answers:

jonny [76]3 years ago

7 0

One third of 45 is 15

Brut [27]3 years ago

7 0

One third would be like a quarter of 45 which would be between 11 and 12

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Identify all solutions for a triangle with A = 38 degrees b = 10, and a= 8. Round to the nearest tenth.

rjkz [21]

Answer:

A = 38°

B = 50.32°

C = 91.68°

a = 8

b = 10

c = 12.77

Step-by-step explanation:

The first thing is to find the angle B, like this:

sin B = b * sin A / a = 10 * sin (38 °) / 8

sin B = 0.77

B = arc sin (0.77)

B = 50.32 °

For angle C, it would be:

C = 180 - 38 - 50.32

C = 91.68 °

Side c, we calculate it like this:

c = a * sin C / sin A = 8 * sin (91.68 °) / sin (38 °)

c = 12.77

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4 years ago

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Taya2010 [7]

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3 years ago

Read 2 more answers

If M9=119,what is the sum of the measures 0f 11 and 16?

mote1985 [20]

The answer is: " 132° " .
____________________________________
Note: m∠9 = m∠11 = m ∠16 ;

So; m∠11 + m∠16 = 132 .
____________________________________

7 0

4 years ago

How do I solve these 2 problems? What’s the answer

Rus_ich [418]

1. substitution

2. transitive property

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3 years ago

A researcher studying public opinion of proposed Social Security changes obtains a simple random sample of 35 adult Americans an

Liula [17]

Answer:

Adult required in the case of “a” 28 and in the case of “b” the adult requirement is 19.

Step-by-step explanation:

(a) The percentage of adult that support the change is 20 percent.

Now calculate the number of adult required.

Given p = 0.20

Use the below condition:

$np(1 – p) \geq 10 \\n \times 0.20 (1 – 0.20) = 10 \\n = 63 round off$

Since 35 adults are already there so required adults are 63 -35 = 28

(b) The percentage of adult that support the change is 25 percent.

Now calculate the number of adult required.

Given p = 0.25

Use the below condition:

$np(1 – p) \geq 10 \\n \times 0.25 (1 – 0.25) = 10 \\n = 54 (round off)$

Since 35 adults are already there so required adults are 54 -35 = 19 .

6 0

3 years ago