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Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

4 0

Answer:

ion even know man

Step-by-step explanation:

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Shawna lives in an apartment 9 4/5 miles from the hospital where she works. Her brother rents a room in a house 7 2/5 miles from

tamaranim1 [39]

Answer:

2 2/5 miles

Step-by-step explanation:

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2 years ago

The diameter of a circle is 3 meters. What is the circumference?

Gennadij [26K]

Answer:

C≈9.42m

Using any of this formulas

C=2πr

C=2πrd=2r

Solution:

C=πd=π·3≈9.42478m

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3 years ago

What is the value of x?

Alexus [3.1K]

Answer:

x = 22.5

Step-by-step explanation:

$\frac{BH}{DH} = \frac{HM}{HT} \\ \frac{6}{15 + 6} = \frac{9}{9 + x} \\ \frac{6}{21} = \frac{9}{9 + x} \\ 6(9 + x) = 9 \times 21 \\ 54 + 6x = 189 \\ 6x = 189 - 54 \\ 6x = 135 \\ x = \frac{135}{6} \\ x = 22.5$

5 0

3 years ago

What is the equation of a circle centered at the origin with radius 20.. i cant find the answer and i even tried?

KIM [24]

General equation of a circle with centre (h, k) is given by:

$(x - h)^{2} + (y - k)^{2} = r^{2}$

Now, the origin is the centre and radius is 20, so substituting these points in yields:
$x^{2} + y^{2} = 20^{2}$
$x^{2} + y^{2} = 400$