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3 years ago

In triangle ABC, < A = 38° and < B = < C. Find < B.

Mathematics

2 answers:

mestny [16]3 years ago

8 0

71 odyssey just had this

marusya05 [52]3 years ago

6 0

The answer is 76 your welcome

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So if a video that is 15:34 how long is it when 2 times speed

rusak2 [61]

Answer:

7:47

Step-by-step explanation:

Here are two ways of solving this:

The video will be half the time of 15:34, so you need to divide the time 15:34 by 2.

Method 1)

Use the tip. The video is 15 minutes and 34 seconds long.

Convert minutes to seconds: 15 * 60 = 900

Add 34 seconds to the 15 minutes: 900 seconds + 34 seconds = 934 seconds

The video is 934 seconds long.

Divide the total seconds by 2: 934/2 = 467

467 seconds = 420 seconds + 47 seconds = 7 minutes and 47 seconds

Answer: 7:47

Method 2)

Divide the minutes by 2 and divide the seconds by 2.

15 minutes and 34 seconds.

Divide minutes by 2: 15/2 = 7.5

Divide seconds by 2: 34/2 = 17

Now we need to add 7.5 minutes and 34 seconds.

0.5 minutes is half a minute, so it's 30 seconds.

7.5 minutes + 17 seconds =

= 7 minutes + 0.5 minute + 17 seconds

= 7 minutes + 30 seconds + 17 seconds

= 7 minutes + 47 seconds

= 7:47

Answer: 7:47

6 0

3 years ago

I need help, thank you

natali 33 [55]

Plot it on point (-2,-1)

7 0

3 years ago

Read 2 more answers

What 34,920 rounded to the ten thousand and // 850,471 rounded to hundred thousands

CaHeK987 [17]

Answer is 30000 and 900000

4 0

3 years ago

Read 2 more answers

Approximately 18% of the population of California is 70 years or older. In a random sample of 4, what is the provability for 3 o

Semmy [17]

Answer:

The correct response will be "0.01913".

Step-by-step explanation:

According to the question,

p - P(70 years or older)

= 0.18

n = 4

X = no. of individuals who are older than 70 years

Now,

∴ $P(X=r)=n_C_r \ p^r(1-p)^{n-r}$

∴ $P(X=3)=4_C_3(0.18)^3(1-0.18)^{4-3}$

$=4\times (0.18)^3(0.82)^1$

$=0.01913$

8 0

3 years ago

Given the expression ‘6 more than twice a number’, what is the value of the expression if the number is equal to 5?

stepan [7]

Answer:

Expression: $2x + 6$

Value of the expression when $x = 5$ : $16$

Step-by-step explanation:

Let's first focus on the expression: '6 more than twice a number'. Twice a number is the same as saying two times a number. Let's have that number be represented by $x$ . Twice a number would mean $2x$ , and 6 more than that would just be $2x + 6$ .

We'll then plug in 5 for $x$ to get the value of the expressinn:

$2(5) + 6 = 10 + 6 = 16$

5 0

3 years ago