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1 year ago

Need help if anybody can help.

Mathematics

1 answer:

Darina [25.2K]1 year ago

8 0

Answer:

46.5

Step-by-step explanation:

Of all straight angles have 180 degrees in them.

So, to find x we need to form this equation:

x + 65 + x - 22 = 180

2x + 43 = 180

2x = 180-43

2x = 137

68.5 degrees = x

68.5-22 = 46.5 degrees.

m<CBD = 46.5 degrees.

m<GBF = also 46.5 degrees because it is a vertical angle to <46.5 degrees.

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Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2^−x and y = 8^x+4 intersect are the s

joja [24]

Answer:

See explanation

Step-by-step explanation:

A) the x-intercept is the solution because there are only x's in the equation when they are set equal to each other.

B) (-3, 8), (-3, 4)

(-2, 4), (-2, 4)***** this is the solution

(-1, 2), (-1, 4 1/8)

(0, 1), (0, 5)

(1, 1/2), (1, 12)

(2, 1/4), (2, 68)

(3, 1/8), (3, 516)

C) Graph them and show the intersection

See Attachment

5 0

2 years ago

the population of Watesville decreases at a 1.6% per year.If the population was 62,500 in 2014 what will it be in 2020

vichka [17]

The population in 2020 will be 57657.5 approximately

Explanation:

Given:

Population in 2014, P = 62,500

Rate of decrease, r = 1.6%

Population in 2020, Q = ?

Number of years between 2014 to 2020 = 5 years

Population in 2020 = $P(1 - \frac{r}{100} )^t$

Substituting the value we get:

$Q = 62500(1- \frac{1.6}{100})^5\\ \\Q = 62500 ( 0.92252) \\\\Q = 57657.46$

Therefore, the population in 2020 will be 57657.5 approximately

7 0

2 years ago

-35, 165 365, 565 765, Is it geometric, arithmetic, neither?

Charra [1.4K]

Answer:

arithmetic

Step-by-step explanation:

I think

3 0

2 years ago

Read 2 more answers

What are the odds of two threes being rolled by two 6-sided dice? 1/?

brilliants [131]

Answer:the odds is 60%

Step-by-step explanation:

because there are 2 dice with 6 sides on each and take the probability of rolling each out of 12 and you have your answer

6 0

1 year ago

CAN SOMEONE HELP ME PLEASE ILL GIVE BRAINLEST..I need step to step equation thanks

Dmitrij [34]

Answer:

The required co-ordinate is (-2, -5).

Step-by-step explanation:

For a given point, reflection of a point (x, y) across a horizontal line y = k, the reflected co-ordinates will be: $R_{y = k} = (x, 2k - y)$ .

Here, (x, y) = (-2, 7) then reflection along the line y = 1, we get:

$R_{y = 1} (-2, 7) = (-2, 2(1) - 7)$

= (-2, -5)

The reflected point is (-2, -5).

5 0

2 years ago

Need help if anybody can help.​

Need help if anybody can help.