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SIZIF [17.4K]
3 years ago
10

Given ΔABC, AB=45 AC=CB=34 Find m∠B

Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0

Answer:

82.87

Step-by-step explanation:

Angle A and Angle B are equal.

The degree of a triangle is 180 degrees.

The equation is B^2+C=180

There's not enough information, but I used an online calculator.

I hope this helps!

pls ❤ and give brainliest pls

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x^2 - 49 = 0

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x^2 = 49

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X = 7

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3,125=5^-10+3x What does x equal
earnstyle [38]

Answer:

x = 30517578124/29296875

Step-by-step explanation:

Solve for x:

3125 = 3 x + 1/9765625

Put each term in 3 x + 1/9765625 over the common denominator 9765625: 3 x + 1/9765625 = (29296875 x)/9765625 + 1/9765625:

3125 = (29296875 x)/9765625 + 1/9765625

(29296875 x)/9765625 + 1/9765625 = (29296875 x + 1)/9765625:

3125 = (29296875 x + 1)/9765625

3125 = (29296875 x + 1)/9765625 is equivalent to (29296875 x + 1)/9765625 = 3125:

(29296875 x + 1)/9765625 = 3125

Multiply both sides of (29296875 x + 1)/9765625 = 3125 by 9765625:

(9765625 (29296875 x + 1))/9765625 = 9765625×3125

(9765625 (29296875 x + 1))/9765625 = 9765625/9765625×(29296875 x + 1) = 29296875 x + 1:

29296875 x + 1 = 9765625×3125

9765625×3125 = 30517578125:

29296875 x + 1 = 30517578125

Subtract 1 from both sides:

29296875 x + (1 - 1) = 30517578125 - 1

1 - 1 = 0:

29296875 x = 30517578125 - 1

30517578125 - 1 = 30517578124:

29296875 x = 30517578124

Divide both sides of 29296875 x = 30517578124 by 29296875:

(29296875 x)/29296875 = 30517578124/29296875

29296875/29296875 = 1:

Answer:  x = 30517578124/29296875

8 0
3 years ago
Read 2 more answers
Help please ! thank u
KonstantinChe [14]

Given:

In triangle ABC,m\angle A=138^\circ,c=19,a=29.

To find:

The m\angle C.

Solution:

According to the law of sines:

\dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}

Taking \dfrac{\sin A}{a}=\dfrac{\sin C}{c}, we get

\dfrac{\sin 138^\circ}{29}=\dfrac{\sin C}{19}

\dfrac{0.66913}{29}\times 19=\sin C

0.4383959=\sin C

Taking sin inverse on both sides, we get

\sin{-1}0.4383959=C

26.001577^\circ=C

C\approx 26^\circ

Therefore, the correct option is b.

6 0
3 years ago
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