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3 years ago

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle?

Mathematics

2 answers:

aliya0001 [1]3 years ago

6 0

I think it is D) 45,45, 90

Nikolay [14]3 years ago

5 0

The answer is C) 30°, 30°, 90°
Hope this helps. :)

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Brass is an alloy of zinc and copper. if 30%of the content is zinc, find the weight of zinc and copper in 300 grams of brass if

Marina86 [1]

Answer:

Socratic app

Step-by-step explanation:

it will help you

8 0

3 years ago

Which of these is NOT an integer

Tema [17]

Hi there!

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I believe your answer is:

Option A

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Here’s why:

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$\boxed{\text{Option A:}}\\\\3^{-5}\\\\\rightarrow \frac{1}{3^5}\\\\\rightarrow \frac{1}{243}\\\\\ \text{This is \textbf{NOT} an integer.}}$

⸻⸻⸻⸻

$\boxed{\text{Option B:}}\\\\-3^5\\\\\rightarrow -3 * -3 * -3 * -3 * -3 \\\\\rightarrow \boxed{-243}\\\\\\\text{This \textbf{IS} an integer.}$

⸻⸻⸻⸻

$\boxed{\text{Option C:}}\\\\\frac{1}{3}^{-5} \\\\\rightarrow \frac{1}{(\frac{1}{3})^5}\\\\\rightarrow \frac{1}{\frac{1}{243} }\\\\\rightarrow \boxed{243}\\\\\\\text{This \textbf{IS} an integer.}$

⸻⸻⸻⸻

$\text{Option \textbf{A} does not simplify into an integer.}$

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Hope this helps you. I apologize if it’s incorrect.

7 0

2 years ago

53 + 88 = , ADJUST THE SUM OR DIFFERENCE

Hitman42 [59]

I have a sum because it is an addition problem

5 0

3 years ago

Read 2 more answers

The factorization of x2 + 3x – 4 is modeled with algebra tiles. An algebra tile configuration. 2 tiles are in the Factor 1 spot:

arsen [322]

Answer:

The factors of x^2+3x-4 are (x-1)(x+4) ....

Step-by-step explanation:

We have to find the factors of x^2+3x-4

As we know that this is a quadratic equation.

So we have to find the roots first.

The roots are -1 and 4.

Now completing the quadratic formula using the roots we have :

x^2+4x-x-4

Make a pair of first two terms and last two terms:

(x^2+4x)-(x+4)

Now take out the common from each pair:

x(x+4)-1(x+4)

(x-1)(x+4)

Thus the factors of x^2+3x-4 are (x-1)(x+4) ....

5 0

3 years ago

Read 2 more answers

One skeleton in a museum has 189 bones.another skeleton has 232 bones. How many bones are in the two skeleton?

gayaneshka [121]

421 is the correct answer.

8 0

3 years ago