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ddd [48]
3 years ago
7

The sum of a number and 9 is multiplied by -2 and the answer is -8

Mathematics
1 answer:
nadya68 [22]3 years ago
7 0
9(-2)+x=-8
And x would be positive 26
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What is 2/3 ÷ 4/5 = ?
11Alexandr11 [23.1K]

Answer:

5/6

Step-by-step explanation:

  • 2/3 ÷ 4/5 =                ⇒  <em>changing division to multiplication by reciprocal of the second fraction</em>
  • 2/3 × 5/4 =                ⇒  <em>simplify and multiply numerators and denominators</em>
  • 5/6                           ⇒  <em>here is the answer</em>
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cunderline%7B%20%5Cunderline%7B%20%5Ctext%7Bquestion%7D%7D%7D%20%3A%20" id="TexFormula1"
steposvetlana [31]

Answer:

See Below.

Step-by-step explanation:

In the given figure, AP = BP = PC.

And we want to prove that ∠ABC is a right angle.

Since AP = BP and BP = PC, we can create two isosceles triangles: ΔAPB and ΔCPB.

By the definition of isosceles triangles, in ΔAPB, ∠PAB and ∠PBA are equivalent. Let the measure of each of them be <em>x°</em>.

Likewise, in ΔCPB, ∠PCB and ∠PBC are equivalent.

And since AP = BP = PC, each of the angles∠PCB and ∠PBC will also be equivalent to <em>x°.</em>

<em />

And since the sum of the interior angles of a triangle total 180°, we acquire:

\angle PAB+\angle PBA+\angle PCB+\angle PBC=180

Since they are all equivalent:

4x=180

Hence:

x=45^\circ

∠ABC is the sum of ∠PBA and ∠PBC, each of which measures 45°. Hence:

\angle ABC=\angle PBA+\angle PBC=45+45=90^\circ

8 0
2 years ago
Read 2 more answers
Samuel rotated PLUTO 90° clockwise about the origin to generate P'L'U'T'O'.
NeTakaya

Answer:.

Step-by-step explanation:

5 0
3 years ago
Write the equation as a single logarithm.
ch4aika [34]

Answer:

B-log(x-4)

Step-by-step explanation:

Have a nice day lol i just know things

7 0
3 years ago
8-2x=-8x+14<br><br><br> answer choices <br> x=-1<br> x=-3/5<br> x=3/5<br> x=1
navik [9.2K]
Hello there!

8 - 2x = -8x + 14

Let's start by subtracting 8 to both sides

8 - 2x - 8 = -8x + 14 - 8

-2x = -8x + 6

Let's add 8x to both sides

-2x + 8x = -8x + 6 +8x

6x = 6

Divide both sides by 6

6x/6 = 6/6

x = 1

The correct answer is option D

I hope this helps!
6 0
3 years ago
Read 2 more answers
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