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Fed [463]
3 years ago
8

Simplify the expression 4x+2-1/2x

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
6 0

answer 41x

Step-by-step

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What is the center of the circle that has a diameter whose endpoints are (9, 7) and (-3, -5)?
emmasim [6.3K]

Answer: OPTION B.

Step-by-step explanation:

Given the endpoints of the diameter of the circle, we  need to find the midpoint, which is the center of the circle.

The following formula is used to calculate the Midpoint:

M=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Given the endpoints of the diameter of the circle:

(9, 7)\ and\ (-3, -5)

We can identify that:

x_1=9\\x_2=-3\\y_1=7\\y_2=-5

Then, we can substitute these values into the formula:

M=(\frac{9+(-3)}{2},\frac{7+(-5)}{2})\\\\M=(3,1)

Therefore, the center of the circle is: (3,1)

3 0
3 years ago
Find the measure of the missing angles in the triangle below round your answer to the nearest degree
navik [9.2K]

Answer:

a. 40°

b. 21°

Step-by-step explanation:

a. Reference angle = θ

Opposite = 5

Adjacent = 6

Apply TOA:

Tan (\theta) = \frac{Opp}{Adj}

Tan (\theta) = \frac{5}{6}

\theta = Tan^{-1}(\frac{5}{6})

\theta = 40 (nearest degree)

b. Reference angle = x

Opposite = 5

Hypotenuse = 14

Apply SOH:

Sin (x) = \frac{Opp}{Hyp}

Sin (x) = \frac{5}{14}

x = Sin^{-1}(\frac{5}{14})

x = 21 (nearest degree)

3 0
3 years ago
In a southern state, it was revealed that 5% of all automobiles in the state did not pass inspection. what is the probability th
Jobisdone [24]
Fortune Battle Royale
8 0
3 years ago
What is 36 percent of 210?
ohaa [14]

Hey there!

Let's start by finding what 1% of 210 is.

This can be done by dividing 210 by 100, since 1% is the same as 1/100 of something.

210 ÷ 100 = 2.1

To find 36%, we can multiply 2.1 by 36.

2.1 x 36 = 75.6

So, 36% of 201 is 75.6.

Hope this helps!

4 0
3 years ago
Solve for x:<br> 4x – 7 = 8x + 33
Lera25 [3.4K]

Answer:

x = 10

Step-by-step explanation:

Hey there!

To solve this question we will use PEMDAS (order of operations)

4x−7=8x+33

Subtract 8x from both sides.

4x−7−8x=33

Combine 4x and −8x to get −4x.

−4x−7=33

Add 7 to both sides.

−4x=33+7

Add 33 and 7 to get 40.

−4x=40

Divide both sides by −4.

x= 40/-4

Divide 40 by −4 to get −10.

x=−10

6 0
2 years ago
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