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Bad White [126]
3 years ago
8

Simplify the expression.

Mathematics
2 answers:
erik [133]3 years ago
7 0

Answer:

5.1

Step-by-step explanation:

OlgaM077 [116]3 years ago
6 0

Answer:

5.1

Step-by-step explanation:

-44.288-31.6 / -3.1(6-1.2)

Add -44.288 and -31.6

= -75.888 / -3.1(6-1.2)

Subtract 1.2 from 6

= -75.888 / -3.1(4.8)

Multiply -3.1 and 4.8

= -75.888 / -14.88

Divide -75.888 by -14.88

-75.888 / -14.88

=5.1

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Help me plz I’m struggling with this
elena-s [515]

Answer:

AC = 8√3       AC = 7.65          

A = 43.17°       AB = 16.8

B = 46.83°      B = 27°

Step-by-step explanation:

FIRST TRIANGLE

by using pythagorus theorem:

Hypo² = Base² + height²

19² = 13² + AC²

AC² = 19² - 13²

AC² = 192

AC = √192

AC = 8√3

sinФ =base/hypo

sin A = 13/19

A = sin^-1 (13/19)

A = 43.17°

43.17°+ B + 90° =180 (sum of angles of triangle)

B = 180° - 133.17°

  = 46.83°

<h3>SECOND TRIANGLE</h3>

TanФ = base/height

Tan 63° = 15 / AC

1.96 = 15/AC

AC = 15/1.96

AC = 7.65

AB² = AC² + BC²

AB² = 7.65² + 15²

AB² = 283.5

AB = √283.5

AB = 16.8

tan B = AC /BC

tanФ = 7.65/15

tanФ = 0.51

Ф = tan^-1(0.51)

B = 27°

3 0
4 years ago
For any two integers a and b, (a + b)2 = a? + b2
laila [671]

Answer:

(a+b)2 = a2 + b2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I was just wondering this is one of my questions in my math books and i needed help
just olya [345]

Answer:

B is true

Step-by-step explanation:

5 is a coefficient of x^0

7 0
3 years ago
What is the value of this expression? Select all that apply. (8.59 × 104) – (3.2 × 103)
Savatey [412]

Answer:

which are selectable. it should equal 563.76

5 0
4 years ago
You are using the map shown to navigate through the city. You decide to walk to the Post Office from your current location at th
MA_775_DIABLO [31]

Using <u>translations and proportions</u>, it is found that:

  • To go from the Community Center to the Post Office, there is a translation of 2 units left and of 3 units down.
  • You will travel 0.18 miles.

Translations are modifications made to the function, when it is shifted up/down, or left/right.

In this problem, to go from the Community Center to the Post Office, there is a translation of 2 units left and of 3 units down.

The distance is the hypotenuse of a right triangle, in which the legs are 2 units and 3 units. Hence, the distance on the coordinate grid is found applying the Pythagorean Theorem:

d^2 = 2^2 + 3^2

d = \sqrt{13}

d = 3.606

Since each grid is 0.05 mile, in miles, the distance is:

d = 0.05(3.606) = 0.18

You will travel 0.18 miles.

A similar problem is given at brainly.com/question/4521517

4 0
3 years ago
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