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Igoryamba
2 years ago
13

HELP MATH GEOMETRY!!!! I DO NOT KNOW WHAT TO DO!!!

Mathematics
1 answer:
Gnesinka [82]2 years ago
7 0

Answer:

segment AB ≅ segment BC because their arcs are congruent; therefore, ΔABC is an isosceles triangle

Step-by-step explanation:

* Let's revise some facts in the circle- If a circle is circumscribed around a triangle, then the vertices of the triangle divide the circle into three arcs- The three sides of the triangle are the chords of the circle,

Each chord in the circle is subtended by an arc-

If two arcs are equal, then they are subtended as equal chords*

Let's solve the problem,

Circumscribed circle D around triangle ABC,

The vertices of triangle ABC lie on the circumference of the circle AB, BC, AC are the chords of the circle,

Arcs AB and AC are congruent,

Arc AB ≅ arc AC, Arc AB subtended the chord AB, Arc AC subtended the chord AC, AB = AC, AB = 6 inches, AC = 6 inches,

The triangle with two equal sides is called an isosceles triangle, Δ ABC is an isosceles triangle,

Noah knows that the top layer of his cake is an isosceles triangle* segment AB ≅ segment BC because their arcs are congruent; therefore, ΔABC is an isosceles triangle.

segment AB ≅ segment BC because their arcs are congruent; therefore, ΔABC is an isosceles triangle ⇒ answer D.

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One pumpkin weighs 7 lb 12 oz. A second pumpkin with 10 pounds 4 ounces. A pumpkin weighs 2 pounds 9 ounces more than the second
Nesterboy [21]

Answer:  30 lbs, 13 oz

This converts to 493 ounces

===============================================================

Explanation:

Pumpkin A weighs 7 lb, 12 oz. Let's convert that to ounces only

1 lb = 16 oz

7 lbs = 112 oz (multiply both sides by 7)

7 lbs, 12 oz = 112 oz + 12 oz .... add 12 oz to both sides

7 lbs, 12 oz = 124 oz

Pumpkin A's weight of 7 lbs, 12 oz is the same as 124 oz

-----------

Do something similar for pumpkin B

1 lb = 16 oz

10 lbs = 160 oz

10 lbs, 4 oz = 160 oz + 4 oz

10 lbs, 4 oz = 164 oz

Pumpkin B weighs 164 oz

-----------

Let's convert the "2 lbs, 9 oz" to ounces only

1 lb = 16 oz

2 lbs = 32 oz

2 lbs, 9 oz = 32 oz + 9 oz

2 lbs, 9 oz = 41 oz

So pumpkin C is 41 ounces heavier compared to pumpkin B

The weight of pumpkin C is 164+41 = 205 ounces

----------

We have these three weights in ounces only

  • Pumpkin A = 124 oz
  • Pumpkin B = 164 oz
  • Pumpkin C = 205 oz

Adding those three ounces only weights leads to

124+164+205 = 493 ounces

The total weight of all three pumpkins is 493 ounces

Now let's convert back to the unit "pounds, ounces"

Divide that result over 16 since there are 16 ounces per pound

493/16 = 30.8125

Ignore the decimal portion. The 30 is the quotient which means 493-30*16 = 13 is the remainder.

In other words,

493/16 = 30 remainder 13

which leads to

493 ounces = 30 pounds, 13 ounces

--------------

As a check,

1 lb = 16 oz

30 lbs = 480 oz

30 lbs, 13 oz = 480 oz + 13 oz

30 lbs, 13 oz = 493 oz

The answer is confirmed.

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Can you guys help me with this please???
almond37 [142]

Answer:

y=-25x+225

Step-by-step explanation:

The slope is -25 and I think the y-intercept is 225.

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