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3 years ago

642 ÷ 5 standard algorithm

Mathematics

2 answers:

damaskus [11]3 years ago

7 0

642/5= 128.4

i hope this helps

Serhud [2]3 years ago

3 0

The answer to that is 128.4

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Which of the following theorems verifies that ABC~WXY?

Bumek [7]

Answer:

The correct answer is option B. AA

Step-by-step explanation:

Given two triangle:

$\triangle ABC$ and $\triangle WXY$ .

The dimensions given in $\triangle ABC$ are:

$\angle A = 27^\circ\\\angle B = 90^\circ$

We know that the sum of three angles in a triangle is equal to $180^\circ$ .

$\angle A+\angle B+\angle C = 180^\circ\\\Rightarrow 27+90+\angle C=180^\circ\\\Rightarrow \angle C = 63^\circ$

The dimensions given in $\triangle WXY$ are:

$\angle Y = 63^\circ\\\angle X = 90^\circ$

We know that the sum of three angles in a triangle is equal to $180^\circ$ .

$\angle W+\angle X+\angle Y = 180^\circ\\\Rightarrow \angle W+90+63=180^\circ\\\Rightarrow \angle W = 27^\circ$

Now, if we compare the angles of the two triangles:

$\angle A = \angle W = 27^\circ\\\angle B = \angle X= 90^\circ\\\angle C = \angle Y= 63^\circ$

So, by AA postulate (i.e. Angle - Angle) postulate, the two triangles are similar.

$\triangle ABC \sim \triangle WXY$ by AA theorem.

So, correct answer is option B. AA

7 0

2 years ago

MATH HELP NEEDED PLEASE

Semmy [17]

Answer:

Picture no working.

Step-by-step explanation:

Are no the answer :)

6 0

2 years ago

The first triangle is dilated to form the second triangle. Select True or False for each statement.

malfutka [58]

Answer:

these are the step to follow so A=bh

Step-by-step explanation: A=1/2bh A=bh A=1/2 (b=b)h this is an example so you can follow how i did this

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2 years ago

I need help it’s due in 10 mins ASAP I’ll mark you as a brainlist please help

Lady_Fox [76]

Take DEBC a parralelogram
Parralel sides are DE and BC
THEREFORE,
1/2*(a+b)*h
1/2*(6+15)*h
1/2*(21)*h=0
10.5*h=0
h=-10.5

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3 years ago

What is 1875 ÷ 125 (show ur work long divison)

Colt1911 [192]

Answer:

15 R7

Step-by-step explanation:

015

32/ 487

0

32

167

160

remainder 7

7 0

2 years ago