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3 years ago

Please help me out.....

Mathematics

1 answer:

gavmur [86]3 years ago

6 0

Answer:

SSS

Step-by-step explanation:

Each of the three sides of the smaller triangle is 2/3 the length of the corresponding side of the larger triangle. Since the three sides are proportional, SSS similarity is applicable.

There is no information about the angles, so SAS and AA are useless in this case.

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C2 = 39 (c squared) please help :(

iVinArrow [24]

Answer:

$\boxed{c = \sqrt{39} / c= - \sqrt{39} }$

This " / " means or, btw!

Step-by-step explanation:

$c^2 = 39$

⇒Take square root.

$c =$ ± $\sqrt{39}$

$c = \sqrt{39}$ or $c = -\sqrt{39}$

Hope this helped you!

7 0

3 years ago

Amanda used 24 grams of paint to paint a wooden cube. When it dried, she cut the cube into 8 equal cubes. How many more grams of

kari74 [83]

Answer:

<h2>Amanda needs 72 grams of paint</h2>

Step-by-step explanation:

Notice that she already painted one face of each cube, that is, 8 faces in total, and she used 24 grams for that.

Now, there remain 3 faces per cube to be painted, which means there are 24 faces.

Then, we use the rule of three, if she used 24 grams of paint for 8 faces, how much grams of paint she would need to paint 24 faces?

$24 \times \frac{24}{8}= 72 \ grams$

Therefore, Amanda needs 72 grams of paint for the unpainted surfaces.

7 0

3 years ago

Solve any method: 9x^2+9x=4??

Gala2k [10]

Subtract 4 from both sides, solve using quadratic formula
ax^2+bx+c
(-b(+or-) Square Root of b^2 - 4ac)/2a

9x^2+9x-4=0
-9(+or-)Square root of 9^2-4(9)(-4)/2(9)

Solve^

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3 years ago

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CAN YOU ADD 2 TO PI TO GET A RATIONAL NUMBER

butalik [34]

No because Pi is an irrational number so adding 2 to Pi will also be irrational.

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3 years ago

WILL GIVE BRAINLIEST---

Sergeeva-Olga [200]

It's a rational number because 25 is perfect square, taking the square root gives the rational integers +5 or -5

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3 years ago

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