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miss Akunina [59]
3 years ago
11

(16a-4312-4) (1/4) ?????

Mathematics
1 answer:
EastWind [94]3 years ago
6 0

Answer:

Your answer is:

(16a-4312-4)(1/4)

Because there are parentheses that means it is multiplication ↓

But we are going to simplify the equations:

(16a-4312-4)(1/4)

Simplify:

1.) \frac{16a-4312}{4}

2.) \frac{4(4a-1079}{4}

Cancel out the 4.

4a-1079

Step-by-step explanation:

Hope this helped : )

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Help me pls I need help
viva [34]

Answer:

yes

Step-by-step explanation:

LMN should be a right triangle

use pythagorean theorem

18^2+80^2=82^2

it is a right triangle

7 0
3 years ago
A yacht is anchored 90 feet offshore
Stells [14]

The height of the  lighthouse is 44 feet.

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

You are given more information than you need.

Use the right triangle concept,

A yacht is anchored 90 feet offshore from the base of a lighthouse.

  • Base = 90 feet
  • Height = h feet

The angle of elevation from the boat to the top of  the lighthouse is 26 degrees.

<u>Using one side length and the angle only: </u>

The trigonometric formula is given as,

tan = height / base

tan[26º] = h ⁄ 90

 h = 90 × tan[26º]

h = 43.9 ft

h = 44 feet

Therefore, the height of the  lighthouse is 44 feet.

8 0
3 years ago
Read 2 more answers
Please and thank you help me
Art [367]

9514 1404 393

Answer:

  • your graph is correct
  • y = 3x -5

Step-by-step explanation:

The graph shows you the line has a "rise" of 1-(-2) = 3 for a "run" of 2-1 = 1, so the slope is 3/1 = 3.

The y-intercept is seen to be -5, so the equation is ...

  y = mx +b . . . . . where m is the slope (3) and b is the y-intercept (-5)

  y = 3x -5

__

The points and line are plotted correctly, so you already have your graph.

4 0
3 years ago
Please help question in the picture
anzhelika [568]

Answer:

50

Step-by-step explanation:

40 squared is 1600

30 squared is 900

1600+900=2500

\sqrt{2500} =50

6 0
3 years ago
Subtract:
Shtirlitz [24]

Answer:

D

Step-by-step explanation:

(3x³ - 10x² + 13x)  -  (5x³ + 4x² - 9x)

3x³ - 10x² + 13x  - 5x³ - 4x² + 9x  Change all terms after the subtraction sign to

                                                      the opposite sign (definition of Subtraction)

(3x³ - 5x³) + (-10x² - 4x²) + (13x + 9x)    Group like terms together

-2x³ - 14x² + 22x                                    

7 0
3 years ago
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