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kirill115 [55]
3 years ago
10

♥|| Please help me A.S.A.P i will make you brainliest!||♥

Mathematics
2 answers:
dmitriy555 [2]3 years ago
5 0
63 + a = 90; subtract 63 from both sides of the equation.
Taya2010 [7]3 years ago
4 0

Answer:

Option B, 63 + a = 90; subtract 63 from both sides of the equation

Step-by-step explanation:

When the sum of two angles is equal to 90 degrees, they are called complementary angles.

Here, we  know the one angle measure is 63°

Let's consider unknown angle as a.

63 °+ a = 90°

63 °+ a -63° = 90° - 63° ( subtract 63 from both sides of the equation)

a = 90° - 63°

a = 27°

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ZanzabumX [31]
I think it’s 4 but I don’t know if I’m correct good luck!
8 0
3 years ago
I need help, ive been trying
Mrac [35]

The figure is a right triangle so we can use the Pythagorean theorem to find the third side AKA the hypotenuse.

Pythagorean theorem = a² + b² = c² where A and B are the legs of the triangle and C is the hypotenuse.

39² + 80² = c²

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Square root both sides to cancel out the squared variable.

√6569 = √(c²)

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7 0
3 years ago
A line segment ad, contains points b & c such that c is between a and d, and b is between a and
egoroff_w [7]

If you drew out this line segment with the points in the order we are given them, the segment would be labeled as a, b, c, d in that order. We are given a measure for ab, and we are also given a measure for bd with c being ignored for a minute. The entire length of the segment can be found by adding ab and bd. 6 + 23 = ad and ad = 29. So the length of the whole segment is 29. We have the length of cd given to be equal to ab, so cd = 6. ab + bc + cd = ad and we are looking for bc. Since we have the other lengths and the length of the whole segment, we fill in accordingly: 6 + bc + 6 = 29. Solving for bc we get bc = 17.

3 0
3 years ago
(7.556 x 10^9) - (3.8 x 10^6) answer in scientific notation please
andrezito [222]
\[(7.556\times 10^9)-(3.8\times 10^6) \]
\[=(7.556\times 10^3)10^6-(3.8)10^6\]
\[=(7556-3.8)10^6\]
\[=(7552.2)\times 10^6\]
\[=7.5522\times10^3\times10^6\]
<span>\[=7.5522 \times10^9\]</span>
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3 years ago
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klasskru [66]

Answer:

its C

Step-by-step explanation:

8 0
3 years ago
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