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3 years ago

Help me with this please!!

Mathematics

1 answer:

kolbaska11 [484]3 years ago

6 0

Answer:

arc ABC = 280°

Step-by-step explanation:

The tangent- chord angle at A is half its intercepted arc AC, then

arc AC = 2 × 40° = 80°

major arc ABC = 360° - 80° = 280°

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NNADVOKAT [17]

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3 years ago

PLEASE HELP (:

notka56 [123]

I believe the answer is B
I may be wrong though so please don’t get mad at me.

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3 years ago

If side A is twice as long as B and C is 25 using the Pythagorean Theorem,What are the lengths of side A and B? Round to the nea

777dan777 [17]

Answer:

The lengths of side A is 22.4 and B is 11.9.

Step-by-step explanation:

Given:

If side A is twice as long as B and C is 25 using the Pythagorean Theorem.

Now, to find the lengths of side A and B.

Let the side B be $x.$

So, the side A be $2x.$

Side C = 25.

Now, to solve by using Pythagorean Theorem:

A² + B² = C²

$(2x)^2+(x)^2=(25)^2$

$4x^2+x^2=625$

$5x^2=625$

Dividing both sides by 5 we get:

$x^2=125$

Using square root on both sides we get:

$x=11.18.$

B rounding to the nearest tenth = 11.9.

Now, to get A by substituting the value of $x$ :

$2x\\=2\times 11.18\\=22.36.$

A rounding to the nearest tenth = 22.4.

Therefore, the lengths of side A is 22.4 and B is 11.9.

8 0

3 years ago

Help please . Thank you

MArishka [77]

The general form is ax²+bx+c=0,
so at least we know b has to be 0. None of the values match unless we multiply everything by 4. That leads to answer B, a=1, b=0 and c=20

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3 years ago

Two addends

nataly862011 [7]

Answer:

Step-by-step explanation:

18+6+4=28

8 0

3 years ago