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dexar [7]
3 years ago
9

Write the equation in standard form for the circle passing through (7, 1) centered at the origin

Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0

Step-by-step explanation:

the standard form of a circle equation is

(x - h)² + (y - k)² = r²

where (h, k) is the center of the circle, and r is the radius.

since the center of this circle is the origin (0, 0), we have the simplified version

x² + y² = r²

to get r² we simply use the given point

7² + 1² = r²

49 + 1 = r²

r² = 50

our equation in standard form is therefore

x² + y² = 50

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Write an equation for the following word problem. Use m for the number of monkeys and e for the number of elephants.
Nataly_w [17]

m = monkeys

e = elephants

 there are 5 times as many monkeys as elephants so to find the number of monkeys the equation would be:

m = 5e


4 0
4 years ago
Read 2 more answers
PLEASE HELP FAST! <br> What is the value of x? <br> 6<br> 8<br> 10<br> 12
Novosadov [1.4K]

Answer:

x = 8

Step-by-step explanation:

The sum of the exterior angles is 360 degrees

12x+62+ 66+ 77+59 = 360

Combine like terms

12x+264 = 360

Subtract 264 from each side

12x+264-264 = 360-264

12x =96

Divide by 12

12x/12 = 96/12

x=8

5 0
3 years ago
What is the probability that you draw a diamond or a spade from a standard deck of cards? A) 1 16 B) 1 4 C) 1 2 D) 3 4
AlladinOne [14]

Answer:

The answer is 1/2 which i think that's what you meant from C.

Step-by-step explanation:

A standard deck of cards has 52 cards. 13 of these cards are spades and 13 are diamonds.

5 0
3 years ago
Read 2 more answers
How many gallons of 20% antifreeze should be mixed with 10 gallons of 92% antifreeze to obtain a 65% antifreeze mixture?
julia-pushkina [17]
<span>Add G gallons.
10*92 + G*20 = (10+G)*65</span>
8 0
4 years ago
Gina had a scrambled egg and a cup of low-fat milk for breakfast. She had an oat bran muffin for a morning snack. Grams of Prote
Softa [21]

Answer:

She takes 11 grams more protein for breakfast than for a snack.

Step-by-step explanation:

Consider the provided information.

Gina had a scrambled egg and a cup of low-fat milk for breakfast.

She had an oat bran muffin for a morning snack.

First round up the numbers as shown below:

Food Protein (in grams) 1 scrambled egg 6.71 ≈ 7

1 cup shredded wheat cereal 5.51 ≈ 6

1 oat bran muffin 3.98 ≈ 4

1 cup low-fat milk 8.22 ≈ 8

Protein in Breakfast = a scrambled egg + a cup of low-fat milk

Protein in Breakfast = 7+8 = 15

Morning snack she had an oat bran muffin.

Protein in Morning snack = 4

Now we need to find how many more grams of protein did Gina have for breakfast than for a snack?

So subtract them as shown below:

15-4 = 11

Hence, she takes 11 grams more protein for breakfast than for a snack.

5 0
3 years ago
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