2 years ago

WILL GET BRAINLIEST RIGHT AWAY!!!!! NEED BY TODAY!!!

Mathematics

1 answer:

ExtremeBDS [4]2 years ago

6 0

Answer:

D. I and IV

Step-by-step explanation:

53 is the opposite of -53.

The absolute value of 53 is 53.

<h2><u><em>Please mark as Brainliest!!!</em></u></h2>

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This is pre calculus please help !Describe three ways to determine the measure of segment YZ.

Dmitry [639]

(1) Using trigonometric ratios:
$sin(30) = \frac{YZ}{50}$
$YZ = 25$

(2) Using Pythagoras' Theorem:
$cos(30) = \frac{XY}{50}$
$50cos(30) = XY$
$50^{2} - 50^{2}cos^{2}(30) = YZ^{2}$
$2500 - 2500cos^{2}(30) = YZ^{2}$
$YZ = 25$

(3) Using sine rule:
$\frac{50}{sin(90)} = \frac{YZ}{sin(30)}$
$50 = \frac{YZ}{sin(30)}$
$50sin(30) = YZ$
$YZ = 25$

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3 years ago

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hammer [34]

3.) 2 × 0.5 = 1 4.) -2 × -0.5 = 1

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3 years ago

PLEASEEEE HELPPP MEEE WITHHH THISS QUESTIONN PLEASEEE!!!!<br> I NEED A GREAT EXPLANATION PLEASEE!!!!

ipn [44]

The diagonal of a rhombus divides it into two congruent isosceles triangles.

So ∠CBD ≅ ∠CDB

∠CBD + ∠CDB + 68 = 180

2∠CBD = 180 - 68 = 112

∠CBD = 56

We also have

∠BDE + ∠E + ∠DBE = 180

∠DBE = 180 - 73 - 36 = 71

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2 years ago

What is the area of the triangle? 13 10 12 units

Minchanka [31]

Answer:

I don't really know so sorry about that.

Step-by-step explanation:

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2 years ago

Select all the equations on which the point (10,0) lies.

Makovka662 [10]

Answer:

B, C

Step-by-step explanation:

Since y=0, you are looking for equations such that 10 times the coefficient of x is the constant in the equation.

a) 5·10 ≠ 15

b) 2·10 = 20 . . . . select this one

c) 10 = 10 . . . . select this one

d) 3·10 ≠ 13

e) 4·10 ≠ 20

f) 6·10 ≠ 50

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1 year ago