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3 years ago

Find the value of x.

Mathematics

1 answer:

Semenov [28]3 years ago

4 0

Answer:

x= 35.7339234

Step-by-step explanation:

cos(52)= 22/x

x= 22/cos(52)

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PLEASE HELP I DONT KNOW HOW TO SOLVE THIS :((

ANEK [815]

Answer:

$\displaystyle \angle A=30^\circ$

Step-by-step explanation:

We are given that in Circle O, Arc BAC measures 300°.

Recall that arc lengths will always total 360°. Therefore:

$\stackrel{\frown}{BAC}+\stackrel{\frown}{CB}=360^\circ$

By substitution:

$300+\stackrel{\frown}{CB}=360$

Thus:

$\stackrel{\frown}{CB}=60^\circ$

∠A intercepts Arc CB. Since it is an inscribed angle, it will be half of its intercepted arc. In other words:

$\angle A=\displaystyle \frac{1}{2}\stackrel{\frown}{CB}$

Therefore:

$\displaystyle \angle A=\frac{1}{2}(60)=30^\circ$

5 0

3 years ago

Ally surveyed 5 classrooms. She wanted to know the number of students in each class who love painting. The data she collected fr

melamori03 [73]

Answer:

45 im not to shur

Step-by-step explanation:

10 + 7 + 9 + 11 + 8 = ?

? = 45

8 0

2 years ago

If twice Mary’s age is decreased by 7 is the same as her age increased by ten. How old is Mary? Be sure to use the four-step pro

oee [108]

Answer: 17 years

Step-by-step explanation:

Let mary's age be m

2m-7 = m+10

Subtracting m from both sides:

m-7 = 10

Therefore, m = 17

7 0

2 years ago

–3x + 1 + 10x = x + 4

Mars2501 [29]

-3x+1+10x=x+4
-3x+10x-x=4-1
6x=3
x=3/6=1/2

Answer: x=1/2

6 0

4 years ago

In the equation y = 8 - 10x what is the slope

KiRa [710]

Answer:

the slope is -10

Step-by-step explanation:

They are trying to make it more confusing by switching the orders around, but remember that slope intercept form is

y=mx+b

m being the slope

so if you just re agrange the equation, you get y=-10x+8, -10 being before x and also being m

4 0

3 years ago