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Whitepunk [10]
2 years ago
11

Need a little help. bananas a ssn as ssbs s s s sbs ssb ssb sbs ssb ssb sbs ssb​

Mathematics
2 answers:
stiv31 [10]2 years ago
7 0

Answer:

x = 23

Step-by-step explanation:

the angles in a triangle add up to 180

the square means 90

90 + 67 + x = 180

157 + x = 180

157 - 157 + x = 180 - 157

x = 180 - 157

x = 23

NISA [10]2 years ago
5 0

Answer:

33

Step-by-step explanation:

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From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many combin
borishaifa [10]

Answer:

495 combinations of 4 students can be selected.

Step-by-step explanation:

The order of the students in the sample is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many combination of random samples of 4 students can be selected?

4 from a set of 12. So

C_{n,x} = \frac{12!}{4!(8)!} = 495

495 combinations of 4 students can be selected.

8 0
3 years ago
There are 250 tables total in a cafeteria. There are 150 tables with red tablecloths and 100 tables with white tablecloths. As p
dimaraw [331]

Answer:

60%

Step-by-step explanation:

If there are 250 tables you can multiply it by 4 to work with 1000. This means you have to multiply the other table cloth numbers. 150 x 4 = 600. 100 x 4 = 400. Once you simplify you can get 40 white and 60 red out of 100.  60/100 = 60%.

7 0
3 years ago
The equation models the (h) height in centimeters after (t) seconds of a weight ttached to the end of a spring that has been str
Elena L [17]

Answer:

t = 3 arc cos(h/7)/π

Step-by-step explanation:

The equation h=7cos(pi/3 t) models the (h) height in centimeters after (t) seconds of a weight attached to the end of a spring that has been stretched and released. To solve the equation for t we will solve the equation step by step:

h=7cos(pi/3 t)

Step 1)

Divide both sides by 7

h/7 = 7cos(pi/3 t)/7

Now the equation becomes h/7=cos(pi/3 t)

Step 2)

h/7=cos(pi/3 t)

Now  apply inverse cosine function:

arc cos (h/7) = pi/3 t

Step 3)

t = 3 arc cos(h/7)/pi

Thus t =  3 arc cos(h/7)/pi ....

6 0
3 years ago
What is the solution to the system of linear equations
Wittaler [7]
The answer is c. (0,2)
3 0
3 years ago
Read 2 more answers
John is traveling at 48 miles per hour and his distance can be written as d = 48t.
MakcuM [25]
240 miles
d=48(5) which equals 240
3 0
2 years ago
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