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Shalnov [3]
2 years ago
5

BRAIN TO CORRECT ANSWER!!

Mathematics
1 answer:
zmey [24]2 years ago
3 0

Answer:

It is B

Step-by-step explanation:

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52 /? = 20/100<br><br>what is the missing denominator??? ​
mezya [45]

Answer:

1140

Step-by-step explanation:

52/x=20/100

52(20)=100(x)

52(20) = 1040

100(x) = 100

1040+100= 1140

8 0
2 years ago
3 A class has 6 boys and 15 girls. What is the ratio of boys to girls?​
Lubov Fominskaja [6]

Answer:

6:15

Step-by-step explanation:

Hope this helps, lemme know if you need any further help (:

7 0
3 years ago
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ABCD is a parallelogram. Find the measure of angle , (Give reason)
Naddika [18.5K]

Answer:

D=100(opposites angles are equal)

A=C=80 (adj angles are supplementry)

Step-by-step explanation:

5 0
3 years ago
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Help me solve (b) in this quadrilateral
Savatey [412]

Answer:

b = 87°

Step-by-step explanation:

In order to answer this question, we need to utilise an important angle fact which is <em>angles in a quadrilateral add up to 360° </em>

Using the information we can set up an equation to find the value of b

→ Form equation

63 + 140 + 70 + b = 360

→ Simplify

273 + b = 360

→ Minus 273 from both sides isolate b

b = 87°

3 0
2 years ago
Read 2 more answers
Find the length of a side of an equilateral triangle given its altitude is six inches long.
vampirchik [111]
An equilateral triangle has three 60 degree angles.
The altitude divides it into two 30 60 90 triangles.
The altitude is the "middle side" of such a triangle.
When that is the case, the middle side divided by the square root of 3 = the short side and multiplied by (2/sq root (3)) equals the hypotenuse.
The hypotenuse is the side of the equilateral triangle. 
So, 6 * 2 / (sq root of 3) = <span> <span> <span> 6.9282032303 </span> </span> </span>

Source:
http://www.1728.org/trig2.htm


8 0
3 years ago
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