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Dmitry_Shevchenko [17]
3 years ago
5

Help what answer what is the answer helppppppppppp

Mathematics
1 answer:
frozen [14]3 years ago
7 0

Answer:

1st option

Step-by-step explanation:

Complementary angles sum to 90°

∠ BFC and ∠ AFB form a right angle and sum to 90°

These angles are therefore complementary

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1. Explain how you can use the algebraic representation to determine the new coordinates of a point. 2. Describe how you know if
lana66690 [7]

Answer: for number 1, Begin at the point, draw a vertical line either up or down to the x-axis to get the x-coordinate.

Begin at the point, draw a horizontal line either to the left or right of the y-axis to get the y-coordinate.

And for number 2, if the image is smaller than the pre image, it is an enlargement. If the image is larger than the pre image, it is a reduction. :)

Step-by-step explanation:

In a two-dimensional plane, coordinates of a point define its exact location. The coordinate plane has two axes that are perpendicular to each other which are known as the x and y axis.

To find out the coordinates of a point in the coordinate system, follow the following procedure.

Begin at the point, draw a vertical line either up or down to the x-axis to get the x-coordinate.

Begin at the point, draw a horizontal line either to the left or right of the y-axis to get the y-coordinate.

The x-coordinate and the y-coordinate determine the new coordinates of a point.

6 0
3 years ago
Work out 6a + 5a = -11
jek_recluse [69]
A equals -1 because 6*-1=-6 and 5*-1=-5 then -5+-6=-11


8 0
3 years ago
Read 2 more answers
How do I change my username because it is stuck on the email. I will give Brainliest.
Aleonysh [2.5K]

Answer:

Stated below:

Step-by-step explanation:

You can't change your Brainly username unless you want to make a new account.  

6 0
3 years ago
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A rental car company charges $150.00 for a weekly rental and an additional $0.20 for each mile driven. The function rule C = 0.2
kakasveta [241]
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8 0
3 years ago
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The number of birds on each of the islands X and Y remains constant from year to year; however, the birds migrate between island
Tasya [4]

Answer: Option 'b' is correct.

Step-by-step explanation:

Since we have given that

Total number of birds = 14000

Let the number of birds on X be 'x'.

Let the number of birds on y be 14000-x

After one year, 20 percent of the birds on X have migrated to Y, and 15 percent of the birds on Y have migrated to X.

but The number of birds on each of the islands X and Y remains constant from year to year.

So, the equation would be

\dfrac{20}{100}x=\dfrac{15}{100}(14000-x)\\\\0.2x=0.15(14000-x)\\\\0.2x=2100-0.15x\\\\0.20x+0.15x=2100\\\\0.35x=2100\\\\x=\dfrac{2100}{0.35}=6000

Hence, there are 6000 birds on island X.

Hence, Option 'b' is correct.

3 0
4 years ago
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