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3 years ago

Who defined the large super-continent? A: Milne B:Seismic C: Wegener D. Richter

Mathematics

2 answers:

Evgesh-ka [11]3 years ago

7 0

Answer: C

Step-by-step explanation: because it remained in its fully assembled state for some 100 million years before it began to break up

kolbaska11 [484]3 years ago

3 0

Answer: C - Alfred Wegener

Step-by-step explanation:

:) hope this helps!

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Whenever a,x,y are positive integers, which of the following expressions is equivalent to x^ay^a

lilavasa [31]

Answer:

${(xy)}^{a}$

Step-by-step explanation:

when the exponent is equal, we can put the x and y together in a bracket and a as the Exponent of xy.

Hope I get your question~

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3 years ago

Please answer asap brainset

drek231 [11]

Answer:

9 and 3

Step-by-step explanation:

9 feet. 12 inches = 1 foot. 3 feet = 1 yard.

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3 years ago

9n - 8d<br> (n = 3 and d = 2

leva [86]

Answer:

Step-by-step explanation:

9(3)-8(2)

27-16

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2 years ago

"A student made the following chart to prove that AB2 + BC2 = AC2.

katovenus [111]

Step 3 has an error.

Step-by-step explanation:

Similarity-criteria of triangles:

1. All the corresponding angles of two triangles should be equal.

2. The ratio between the corresponding sides of two triangles should be equal.

In $\triangle ABC$ and $\triangle BDC$

$\angle BAC = \angle DBC \\\angle ACB = \angle BCD$

All the angles of triangle are equal.

∴ $\triangle ABC \sim \triangle BDC$

Since, $\triangle ABC \sim \triangle BDC$

$\frac{AC}{BC}=\frac{AC}{DC}$

$BC^{2}=AC \times DC$

In $\triangle ABC$ and $\triangle BDA$ ,

$\fbox{\begin\\ \angle ABC= \angle BDA = 90^{\circ}\end{minispace}}$

$\fbox{\begin \\\angle BAC = \angle BAD\\\end{minispace}}$

$\angle ACB = \angle ABD$

All the angles of triangle are equal.

∴ $\fbox{\begin\triangle ABC \sim \triangle BDA \end{minispace}}$

∵ $\triangle ABC \sim \triangle BDA$

$\frac{AC}{AB}=\frac{AB}{AD}$

$AB^{2}=AC \times AD$

Now, $AB^{2}+BC^{2}$ can be simplified as,

$AB^{2}+BC^{2}=AC \times AD+AC \times DC\\AB^{2}+BC^{2}=AC(AD+DC)\\AB^{2}+BC^{2}=AC(AC)\\AB^{2}+BC^{2}=AC^{2}$

Learn more:

1. Find the height of the triangle?

brainly.com/question/12989306

2. Which undefined term is needed to define an angle? brainly.com/question/3717797

3. Look at the figure, which trigonometric ratio should you use to find x? brainly.com/question/9880052

Answer Details

Grade: Junior High School

Subject: Mathematics

Chapter: Triangle

Keywords: triangle, similar, similarity, ratio of sides, right triangle, similar triangle, ratio of sides, equal angles, square of hypotenuse, sum, square of legs, sum of square of legs

8 0

3 years ago

For which of the following would not expect to pay an excise tax?

topjm [15]

D. groceries. Just took the test.

7 0

3 years ago

Read 2 more answers

Who defined the large super-continent? A: Milne B:Seismic C: Wegener D. Richter ​

Who defined the large super-continent? A: Milne B:Seismic C: Wegener D. Richter