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OlgaM077 [116]
3 years ago
11

20% of the people left and 76 remain, how many people were there?

Mathematics
2 answers:
Amanda [17]3 years ago
6 0
76+20%= 91.2
91 people were there
Molodets [167]3 years ago
3 0
Percent porportion 76 over x and 20 over 100  mutply 76x100 then divide by 20 x= youre anwser

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What else would need to be congruent to show that A ABC= AXYZ by ASA?
fredd [130]

Answer:

D. AC ≅ XZ

Step-by-step explanation:

To prove that two triangles are congruent by the Angle-Side-Angle theorem, both triangles must have two corresponding angles that are congruent to each other in each triangle, and also a corresponding included side in each triangle that are congruent.

Thus, we are given that,

<X ≅ <A and <Z ≅ <C, therefore, what is needed is a corresponding included angle in each triangle that are congruent to each other, which are,

AC and XZ

Therefore, what is needed is:

AC ≅ XZ

7 0
3 years ago
Solve for x. 0.2x – 1.8 5 = 4.2​
spin [16.1K]

Answer:

<h2>x = 114</h2>

Step-by-step explanation:

0.2x – 1.8/5 = 4.2​

0.2x - 1.8 = 4.2 (5)

x =<u> 21 + 1.8 </u>

        0.2

x = 22.8 / 0.2

x = 114

4 0
3 years ago
What equation results from completing the square and then factoring? x2 + 6x = 13
larisa [96]
Step 1: Subtract 13 from both sides.
<span><span><span><span>x^2</span>+<span>6x</span></span>−13</span>=<span>13−13</span></span><span><span><span><span>x^2</span>+<span>6x</span></span>−13</span>=0</span>
Step 2: Use quadratic formula with a=1, b=6, c=-13.
<span>x=<span><span><span>−b</span>±<span>√<span><span>b2</span>−<span><span>4a</span>c</span></span></span></span><span>2a</span></span></span><span>x=<span><span><span>−<span>(6)</span></span>±<span>√<span><span><span>(6)</span>2</span>−<span><span>4<span>(1)</span></span><span>(<span>−13</span>)</span></span></span></span></span><span>2<span>(1)
</span></span></span></span><span>x=<span><span><span>−6</span>±<span>√88</span></span>2
</span></span><span><span>x=<span><span>−3</span>+<span><span><span>√22</span><span> or </span></span>x</span></span></span>=<span><span>−3</span>−<span>√22
</span></span></span>Answer would be 
<span><span>x=<span><span>−3</span>+<span><span><span>√22</span><span> or </span></span>x</span></span></span>=<span><span>−3</span>−<span>√<span>22</span></span></span></span>
7 0
3 years ago
Read 2 more answers
What is the rule for the translation graphed below?
lesya [120]

Answer:

(x,y) -> (x-4, y+2)

Step-by-step explanation:

it is translated 4 to the left and 2 up

7 0
3 years ago
Need the answer:) :)
user100 [1]
1/y^3 is your answer
4 0
3 years ago
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