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3 years ago

Please help with some math.

Mathematics

1 answer:

KonstantinChe [14]3 years ago

8 0

So you need to use the inverse tan to find the measure of angle c.

So since tan is opposite over adjacent.

You get the inverse tan of 6/8. And you get 36.87 degrees.

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Simplify -2(-4x + 5)

Bingel [31]

Answer:

the answer would be 8x-10

3 0

3 years ago

When using the given diagram to determine the area of the pentagon by decomposition, which statements are correct?:

pogonyaev

Answer:

Options (B) and (E)

Step-by-step explanation:

Area of ΔABC = $\frac{1}{2}(\text{Base})(\text{Height})$

= $\frac{1}{2}(14)(6)$

= 42 in²

Area of trapezoid ADEC = $\frac{1}{2}(b_1+b_2)h$

[Here, $b_1$ and $b_2$ are the parallel sides and 'h' is the height of the isosceles trapezoid given]

= $\frac{1}{2}(10+14)(8)$

= 96 in²

Area of the pentagon = Area of triangle ABC + Area of trapezoid ADEC

= 42 + 96

= 138 in²

Therefore, Options (B) and (E) are the correct options.

6 0

3 years ago

Giovanni justifies whether the expression –4x – 8 is equivalent to Negative 2 (x + 1) minus 2 (x + 3) by letting x = 3 in both e

Vladimir [108]

Answer:

When x = 3, the solutions to the expressions are–20 and –20

Step-by-step explanation:

–4(3) – 8 Multiply

-12 - 8 Subtract

-20

-2(3 + 1) - 2(3 + 3) Simplify in the parentheses

-2(4) - 2(6) Multiply

-8 - 12 Subtract

-20

6 0

3 years ago

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Find AB distance. Please help

Svet_ta [14]

Answer:

Solution,

Let,(x1,y1)=(-4,-3)

(x2,y2)=(3,5)

Using distance formula,

AB=√(x2-x1)²+(y2-y1)²

=√(3+4)²+(5+3)²

=√49+64

=√113 units.

Step-by-step explanation:

7 0

3 years ago

5(y+2)= -3 Whats the answer TvT

Iteru [2.4K]

Answer:

The answer is given below

Step-by-step explanation:

$(5y + 10) = - 3$

$5y = - 3 - 10$

$5y = - 13$

$y = - 13 \div 5$

This is the velue of y

<h2>PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE </h2>

8 0

2 years ago

Read 2 more answers