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jenyasd209 [6]
3 years ago
13

Anybody know this answer

Mathematics
1 answer:
Deffense [45]3 years ago
3 0
Answer is last one. last one is false

Every real number is a rational number

example:

square root (3) is real number
but square root (3) is not a rational number

hope it helps
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Click on me for the picture!!<br> please helpp!!!
alekssr [168]

Answer:

I'm not sure, you posted this like a longggggg time ago so we're good. bye. hope i helped.

Step-by-step explanation:

5 0
2 years ago
O is the centre of the circle, EF is a tangent, angle BCE = 28°, angle ACD = 31°
andriy [413]

Answer

a. 28˚

b. 76˚

c. 104˚

d. 56˚

Step-by-step explanation

Given,

∠BCE=28°  ∠ACD=31°  &  line AB=AC .

According To the Question,

  • a. the angle between a chord and a tangent through one of the end points of the chord is equal to the angle in the alternate segment.(Alternate Segment Theorem) Thus, ∠BAC=28°

  • b. We Know The Sum Of All Angles in a triangle is 180˚, 180°-∠CAB(28°)=152° and ΔABC is an isosceles triangle, So 152°/2=76˚

        thus , ∠ABC=76° .

  • c. We know the Sum of all angles in a triangle is 180° and opposite angles in a cyclic quadrilateral(ABCD) add up to 180˚,

Thus, ∠ACD + ∠ACB = 31° + 76° ⇔ 107°

Now, ∠DCB + ∠DAB = 180°(Cyclic Quadrilateral opposite angle)

∠DAB = 180° - 107° ⇔ 73°

& We Know, ∠DAC+∠CAB=∠DAB ⇔ ∠DAC = 73° - 28° ⇔ 45°

Now, In Triangle ADC Sum of angles in a triangle is 180°

∠ADC = 180° - (31° + 45°)  ⇔  104˚

   

  • d. ∠COB = 28°×2 ⇔ 56˚ , because With the Same Arc(CB) The Angle at circumference are half of the angle at the centre  

For Diagram, Please Find in Attachment  

4 0
3 years ago
From the statement select the related given statement. If B is between A and C, then AB + BC = AC
Bogdan [553]
<span>From the statement select the related given statement. If B is between A and C, then AB + BC = AC

answer
</span><span>C.) Point B is between points A and C.</span>
7 0
3 years ago
Read 2 more answers
Find the area of each triangle o the nearest tenth.
blagie [28]

Answer:

A is , 18.1058 B is  , 24.91575

Step-by-step explanation:

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2 years ago
A shoe store uses a 50 percent markup for all of the shoes it sells. What should be the selling price of a pair of shoes that ha
Margarita [4]

Answer:

85.5

Step-by-step explanation:

57 + 57/2 = 57 + 28.5 = 85.5

5 0
3 years ago
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