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3 years ago

Which of the following is the standard equation for a circle with a center at the origin ?

Mathematics

1 answer:

Bas_tet [7]3 years ago

4 0

It is x^2+y^2=r^2, or c

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Round 9.58507409207 to the nearest whole number

Sholpan [36]

The answer would be 10

8 0

3 years ago

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Helpppppp ur girl out!!!

Aneli [31]

Answer:

139.25 m²

Step-by-step explanation:

Area of the square = 10 * 10 = 100 m²

Radius of the semicircle = 5 m

Area of the semicircle = π(5)²/2 = 39.25 m²

Total area = 100 + 39.25 = 139.25 m²

8 0

2 years ago

Steve prepreformed the chemistry experiment in which divided 5/8 of a box of baking soda evenly among the five bottles he then a

weeeeeb [17]

Answer:

$\mathbf{ \dfrac{1}{8} \ box}$

Step-by-step explanation:

Given that:

Steve divided 5/8 of a box evenly among 5 bottles. To determine the amount of baking soda added;

Then, mathematically:

$=\dfrac{5}{8} \ box \div 5$

$= \dfrac{5}{8} \ box \times \dfrac{1}{5}$

$\mathbf{= \dfrac{1}{8} \ box}$

3 0

3 years ago

Let S = {4, 6, 8} and T = {3, 5, 7}. Use the set roster notation to write each of the following sets, and indicate the number of

allochka39001 [22]

Answer:

See explanation

Step-by-step explanation:

<u>Definition:</u> $S\times T=\{(s,t)|s\in S,\ t\in T\}$

<u>Given:</u> $S=\{4,6,8\},\ T=\{3,5,7\}$

1. Find $S\times T:$

$S\times T=\{(4,3),(4,5),(4,7),(6,3),(6,5),(6,7),(8,3),(8,5),(8,7)\}$

There are 9 elements.

2. Find $T\times S:$

$T\times S=\{(3,4),(3,6),(3,8),(5,4),(5,6),(5,8),(7,4),(7,6),(7,8)\}$

There are 9 elements.

3. Find $S\times S:$

$S\times S=\{(4,4),(4,6),(4,8),(6,4),(6,6),(6,8),(8,4),(8,6),(8,8)\}$

There are 9 elements.

4. Find $T\times T:$

$T\times T=\{(3,3),(3,5),(3,7),(5,3),(5,5),(5,7),(7,3),(7,5),(7,7)\}$

There are 9 elements.

5 0

3 years ago

HELPP FAST I'LL GIVE BRAINLIEST!!!!!!!!!!!

kkurt [141]

Answer:

CD is 60

i think

Step-by-step explanation:

8 0

3 years ago

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