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jek_recluse [69]
3 years ago
10

An angle whose vertex is at the center of a circle is a middle angle of that circle.

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0
The answer is B. False
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Alloy, c, weighing 500 ounces and having 35% aluminum, is obtained from melting together x ounces of alloy, a, containing 25% al
boyakko [2]
From the given scenario in this item, we can say that the sum of x and y is 500. By the aluminum balance, the equation that we can formulate from this,
                            0.25x + 0.40y = (500)(0.35)
The system of linear equations that can best express the given is,
                                   x + y = 500
                                0.25x + 0.40y = 175
3 0
3 years ago
Please help<br> find the value of x in the isosceles triangle shown below.<br> V80<br> V80
Vadim26 [7]

Answer:

Option A. x = 8

Step-by-step explanation:

Please see attached photo.

From the attached photo,

we shall determine the value of y. This can be obtained by using pythagoras theory as illustrated below:

(√80)² = 8² + y²

80 = 64 + y²

Collect like terms

80 – 64 = y²

16 = y²

Take the square root of both side

y = √16

y = 4

Finally, we shall determine the value of x. This can be obtained as follow:

From the attached photo,

x = 2y

but:

y = 4

Therefore,

x = 2y

x = 2 × 4

x = 8

4 0
3 years ago
3/8 of flower garden are red and 3/6 are yellow which is greater, less than or equal
kirill115 [55]

Answer:

3/8 < 3/6

This is because, when the common denominator (24) is found, the fractions are 9/24 (red) and 12/24 (yellow).

3 0
3 years ago
Emily is entering a bicycle race for charity. Her mother pledges $0.40 for every 0.25 mile she bikes. If Emily
jekas [21]
5/.25 = 20
20x0.4= $8
6 0
2 years ago
(21x-3)+21=23x+6 solve​
klemol [59]

Answer:

False

Step-by-step explanation:

You Cnat solve it

5 0
3 years ago
Read 2 more answers
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