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2 years ago

Tim x: 3x(x-2) + 2(2-x)=0

Mathematics

1 answer:

olganol [36]2 years ago

6 0

Answer:

Assuming this is the full problem.

3x^2-8x+4

Step-by-step explanation:

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15 is the same as the product of 3 and a number. Which equation models this sentence?

adelina 88 [10]

Question

15 is the same as the product of 3 and a number. Which equation models this sentence?

15=3x

15=x-3

15=3+x

15=x divided by 3

Answer:

Step-by-step explanation:

15 = 3x

x = 15 : 3

x = 5

.........................

check

15 = 3 * 5

15 = 15

the answer is good

3 0

2 years ago

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Solve the right triangle, ΔABC, for all the missing side and angles to the nearest tenth given sides a = 10.6 and b = 19.2.

Aliun [14]

Answer:

Part 1) $c=21.9\ units$

Part 2) $B=61.1\°$

Part 3) $A=28.9\°$

Part 4) $C=90\°$

Step-by-step explanation:

step 1

Find the length side c

Applying the Pythagoras Theorem

$c^{2}=a^{2}+b^{2}$

substitute the given values

$c^{2}=10.6^{2}+19.2^{2}$

$c^{2}=481$

$c=21.9\ units$

step 2

Fin the measure of angle B

we know that

In the right triangle

$tan(B)=b/a$

substitute the given values

$tan(B)=19.2/10.6$

$B=arctan(19.2/10.6)=61.1\°$

step 3

Find the measure of angle A

we know that

The measure of interior angles in a triangle must be equal to 180 degrees

∠A+∠B+∠C=180°

Remember that in a right triangle the measure of angle C is 90 degrees

we have

$B=61.1\°$

$C=90\°$

substitute

$A+61.1\°+90\°=180\°$

$A=28.9\°$

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2 years ago

What is the slope please help

Artemon [7]

Answer:

Step-by-step explanation:

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2 years ago

Help plz will mark brainliest........................

fredd [130]

It would be HL=I !!!!!!!!!!!!!!!!!!!!
hope this helps

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3 years ago

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marbl

ira [324]

4/9*3/9= 12/81=4/27
You have a 4 in 27 chance of drawing a red then a blue.

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2 years ago

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