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Sauron [17]
3 years ago
6

The difference between 7 twenty fives and 3 twenty fives

Mathematics
1 answer:
fomenos3 years ago
7 0
7 x 25 = 175
3 x 25 =   75

when you subtract the products you get 100 
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Can someone help me
djverab [1.8K]

Step-by-step explanation:

10)

any triangle inscribed into a circle with the baseline being a diameter of the circle must be a right-angled triangle.

the arc angle of 84° means that also the angle at Q is 84°, because the arc angle is the same as the segment angle at the center of the circle (that is how arc sngles are defined).

that means the supplementary angle (together they have 180°) of Q at the inner top angle of the small left triangle is 180 - 84 = 96°.

as the legs of this small left triangle are both the radius of the circle, this triangle is an isoceles triangle (both legs are equally long, and both angles at its baseline are equally large).

remember, the sum of all angles in a triangle is always 180°.

so,

y = (180 - 96)/2 = 42°

x is a complimentary angle (together they are 90°, remember, the large triangle is inscribed and is right-angled) to the second 42° angle

x = 90 - 42 = 48°

11)

y is the supplementary angle to 126°

y = 180 - 126 = 54°

this inner segment angle is the mean value between the 2 outer angles.

54 = (57 + 2nd outer angle of y)/2

108 = 57 + 2nd outer angle of y

2nd outer angle of y = 108 - 57 = 51°

all arc angles around a circle must be 360°.

x = 360 - 57 - 104 - 51 = 148°

12)

again, all arc angles together must be 360°.

y = 360 - 148 = 212°

x is the same angle as the top angle of a triangle inscribed to the right of the chord.

and that angle is half of the opposing arc angle (148°).

it is therefore 148/2 = 74°

and so,

x = 74°

6 0
2 years ago
Is 49 and 770 relatively prime
natita [175]
No nether are a prime number because they have a remainder and prime numbers <span> can only be divided without a remainder by itself and one
</span> 
6 0
3 years ago
A cube shaped terrarium has a volume of 27/64 cubic feet. What is the length of its sides?
Dafna1 [17]
A cube is a 3 dimensional object with 6 square faces. All its sides are the same length, there fore the volume is equal to s^3 where s is the side length.

s^3 =  \frac{27}{64}

To solve for s, take the cube root of both sides.

\sqrt[3]{s^3}= \sqrt[3]{ \frac{27}{64} }

s= \frac{3}{4} feet
8 0
3 years ago
Write the following statements in equation form: If the sum of a number and its two fifth is 70
iren [92.7K]

Answer:

x +  \frac{2}{5}  \times x = 70 \\ x +  \frac{2}{5} x = 70

6 0
3 years ago
Read 2 more answers
Y is directly proportional to 1 over the square root of x if y = 7 when x = 36 find y when x = 4
Alecsey [184]

Step-by-step explanation:

y |X(the sign for protionality) 1/√x

y = 7 when x = 36

y = k/√x

7 = k/√36

7 = k / 6 cross multiply

k = 7×6

k = 42

find y when x is 4

y = 42/√x

y = 42/√4

y = 42/2

y = 21

5 0
2 years ago
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