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Leokris [45]
3 years ago
12

Someone plz help me with these 2 questions

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0

ANSWER:

STEP-BY-STEP EXPLANATION:

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Micheal wants to find the length of a shadow of a tree. He measures the height of a fence post and the length of the shadow it c
Arlecino [84]
Im pretty sure the answer is 92.0 becauese 
if you do 10.5x3.5                                                                                                5x5=25                                                                                                                5x0+2=7                                                                                                              5x1=5 so that will be 57.5 then your going to do                                                3x5=15                                                                                                                3x0+1=4                                                                                                           3x1=3  that equals 34.5 then your going to add                          57.5                                                                                                                 +34.5
= 92.0
7 0
3 years ago
What is the domain of the relation y = arccscx?
Stella [2.4K]

Answer:

y=arc\csc x

Step-by-step explanation:

The given function is y=arc\csc x.

The domain refers to all values of x for which this function is defined.

Recall that: the domain of y=arc \sin (x) is -1\le x\le1

And we know y=arc\csc x is the reciprocal of y=arc \sin (x).

Therefore the complement of the domain of y=arc \sin (x) which is (-\infty,-1]\cup [1,+\infty) is the domain of y=arc\csc x

5 0
3 years ago
Find the inverse of f (x) = x + 2 + 9
Brut [27]

Answer:

y = x - 11

Step-by-step explanation:

First, turn the f(x) into a y:

y = x + 2 + 9

Now, switch the x and y.

x = y + 2 + 9

Add like terms.

2  + 9 = 11

x = y + 11

Now, solve for y. Subtract 11 on both sides.

y = x - 11

5 0
3 years ago
Your last 4 test scores are 65, 70, 80 and
Anarel [89]

Answer:

Step-by-step explanation:

74*5 = 370

370 - 65 - 70 -70 -80 = 85

So. you need to get 85 on your fifth test.

8 0
2 years ago
Solve for y <br> 2(2y+5)=3y-8
Inga [223]
I believe that the answer is -18. 
3 0
3 years ago
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