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iogann1982 [59]

3 years ago

15

HELP ASAP! Relations and Functions!!! Giving brainliest!!!

1 answer:

Leviafan [203]3 years ago

4 0

Answer:

Step-by-step explanation:

Neither are a function because they do not pass the vertical line test.

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If EG and HJ are parallel lines and mEFI = 130°, what is mGFD?

padilas [110]

Answer:

if EG || HJ,

m GFD = 130°

Step-by-step explanation:

Because, m EFI = m GFD

( vertical opposite angles )

so, m GFD = 130°

3 0

2 years ago

4, 14, 6, 9, 21, 3, 7, 10

nekit [7.7K]

The correct answer is C.

5 0

3 years ago

Lisa has a scholarship that pays 75% of her tuition for all four years she attends college. What is the total amount the scholar

12345 [234]

Since you're given the total cost per year (12,000) you multiply it by 4 so that you get the total amount for the four years. e.g. (4 x 12,000) = 480,000
Now you calculate the 75% from this amount because we want to obtain the amount of money the scholarship is worth. That is 480,000 x 75% = 360,000
or 480,000 x 0.75 = 360,000
So, the scholarship is of 360,000

3 0

2 years ago

Help please.......Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

maxonik [38]

<u>Answer:</u>

The cost of 1 dozen doughnut is $6 and the cost of a dozen croissant is $10.

<u>Step-by-step explanation:</u>

<u>We know that:</u>

D = Cost of a dozen doughnut
C = Cost of a dozen croissant
10D + 7C = 130
6D + 4C = 76

<u>Work:</u>

10D + 7C = 130

6D + 4C = 76

4(10D + 7C = 130)

7(6D + 4C = 76)

40D + 28C = 520

42D + 28C = 532

40D - 42D = 520 - 532
=> -2D = -12
=> 2D = 12
=> D = 6

<u>Now, let's substitute the value of D into the first equation.</u>

10D + 7C = 130
=> 10(6) + 7C = 130
=> 60 + 7C = 130
=> 7C = 70
=> C = 10

Hence,<u> the cost of 1 dozen doughnut is $6 and the cost of a dozen croissant is $10.</u>

Hoped this helped.

$BrainiacUser1357$

4 0

2 years ago

A 12 ft. ladder is leaning against a house. The ladder makes a 60° angle with the ground. Use special right triangles to find ho

OlgaM077 [116]

Given:

The length of the ladder = 12 ft

The angle of ladder with ground = 60 degrees

To find:

How far up the building the ladder will reach.

Solution:

Using the given information draw a figure as shown below.

We need to find the vertical distance between the top of ladder and the ground.

Let x be the required distance.

In a right angle triangle,

$\sin \theta=\dfrac{Perpendicular}{Hypotenuse}$

In the below triangle ABC,

$\sin A=\dfrac{BC}{AC}$

$\sin 60^\circ=\dfrac{x}{12}$

$\dfrac{\sqrt{3}}{2}=\dfrac{x}{12}$

Multiply both sides by 12.

$\dfrac{\sqrt{3}}{2}\times 12=x$

$6\sqrt{3}=x$

Therefore, the ladder will reach $6\sqrt{3}$ ft far up the building.

4 0

2 years ago