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vichka [17]
3 years ago
5

Find the value of x. A) 21 B) 27 C) 31 D) 34

Mathematics
2 answers:
Whitepunk [10]3 years ago
7 0
The answer is a, 21. 21x3 is 63. 63 + 1 = 64.
Likurg_2 [28]3 years ago
3 0

Answer: A) 21

Step-by-step explanation:

From the given figure, we can see that angles 64^{\circ} and (3x+1)^{\circ} are vertically opposite angles.

Since, vertically opposite angles are equal, therefore we have

64^{\circ}=(3x+1)^{\circ}\\\\\Rightarrow64=3x+1\\\\\text{Subtract 1 on both sides, we get}\\\\\Rightarrow3x=63\\\\\text{Divide 3 on both sides, we get}\\\\\Rightarrow x=21

Hence, the value of x = 21.

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Let g(x) = 2x and h(x) = x2 + 4. Evaluate (h ∘ g)(1). 2 8 10 4
Klio2033 [76]
Hello!

You can solve this by plugging 1 into g(x) and plugging the result into h(x).

g(x) = 2x
g(1) = 2(1)
g(1) = 2

h(x) = 2x + 4
h(g(1)) = 2(2) + 4
h(g(1)) = 4 + 4
h(g(1)) = 8

Answer:
<span>(h ∘ g)(1) = 8</span>
8 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH THESE 3 MATH QUESTIONS. I NEED HELP QUICK AND FAST. ONLY COMMENT IF YOU ARE HELPING THANKS! PLEA
dusya [7]
Yes: girls=12, boys=33 No: girls=68 boys=87
3 0
3 years ago
Read 2 more answers
students were asked to simplify the expression . two students' work is given. student a step 1: step 2: step 3: 1 tan2 θ step 4:
Whitepunk [10]

Student B is wrong , student A is correct in simplifying the expression .

Expression B must be simplified to cot θ .

Formulas to be used are :

1 - sin^{2} θ = cos^{2}θ

 1 - cot^{2}θ = tan^{2}θ .

Since , location of error is step 3 , we will start from there

[ ( 1 - sin^{2}θ ) / sin θ ] / cos θ    = [ ( 1 - sin^{2}θ ) / sin θ ] * [ 1 / cos θ ]

                          = ( 1 - sin^{2}θ ) / ( sin θ * cos θ )

               = cos^{2} θ / ( sin θ * cos θ )

                   = cot θ .

To know more on trigonometry follow link :

brainly.com/question/24349828

#SPJ4

Since , the question is incomplete we assume it to be :

6 0
2 years ago
At one point in a Girl Scout cookie sales drive, region C had sold 1500 boxes of cookies, and region D had sold 1200 boxes of co
juin [17]

Answer:

a)After 6 days region D will catch region C

b) Region C will sell 13500 cookies and region D will sell 13600 cookies

Step-by-step explanation:

a) Cookies sold by region C more than region D= 1500-1200=300

But region D can sells 50 cookies every day i-e

50 cookies = 1 day

==> 1 cookie= 1÷50

==> 300cookies = 300÷50=6 days

So, after 6 days region D will catch up region C's

b) If sale stopped after 8 days;

Then sale of region C for 8 days = 1500×8=12000 cookies

so , total cookies sold = 1500 +12000=13500

For region D;

Before catching up region C cookies sold by region D = 1200

Till catching up region C - region D had also sold 1500 cookies,

and for 50 extra cookies than region C

next 8 days region D will sale =(1500+50)×8=1550×8=12400 cookies

So, total number of cookies sold by region D = 1200+12400=13600

3 0
3 years ago
Please help, thanks !​
wlad13 [49]
Act like the two triangles are one and to find z and find the others find z first comment if you didn’t understand and I will go into it with more detail
3 0
3 years ago
Read 2 more answers
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