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Sati [7]
2 years ago
7

What is the factored form of the expression x^2-2x-15?

Mathematics
1 answer:
Dimas [21]2 years ago
5 0

Answer:

(x-5)(x+3)

Step-by-step explanation:

<u>Factor by grouping</u>

<u />x^2-2x-15\\x^2+3x-5x-15\\x(x+3)-5(x+3)\\(x-5)(x+3)

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The parallelogram is reflected across the line y = x. Which of the following are coordinates of a vertex of the image?
Korvikt [17]

Answer:

A'(1,-5)

Step-by-step explanation:

The coordinates of the given quadrilaterals are

A(-5,1),B(-4,3),C(-2,1),D(-3,-1)


The reflection in the line y=x has the mapping,

(x,y)\rightarrow(y,x)


We just have to swap the coordinates.


This implies that,


A(-5,1)\rightarrow A'(1,-5)


B(-4,3)\rightarrow B'(3,-4)


C(-2,1)\rightarrow C'(1,-2)


D(-3,-1)\rightarrow D'(-1,-3)


Therefore the correct answer is A.

A'(1,-5)

8 0
3 years ago
Read 2 more answers
in the adjoining fig ABCD is a square and PQRS is a circle if ab=14cm.find the area of shaded portion
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Answer:

Area of shaded proton =42cm²

3 0
2 years ago
Triangle ABC is an isosceles triangle. The length of the base is 20 meters and the corresponding height is 24 meters. Find the p
olga nikolaevna [1]

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72, I believe.

8 0
3 years ago
John wants to find the perimeter of a square with side length 2p - 5. Write two expressions that represent the perimeter, includ
kenny6666 [7]

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More people died in Auschwitz than the British and American losses of World War Two combined. About 60 million Reichmarks - equivalent to £125m today - was generated for the Nazi state by slave labour at Auschwitz. Nazis at Auschwitz offered some non-Jewish female prisoners the option of 'light work

Step-by-step explanation:

3 0
3 years ago
Paul has $2,400 in a savings account earning 3.4% simple interest. How much more interest would he earn in 5 years if the intere
bija089 [108]
Amount using compound interest = 2400(1 + 0.034)^5 = 2400(1.034)^5 = 2400(1.1820) = $2,836.70

Amount using simple interest = 2400(1 + 5 x 0.034) = 2400(1 + 0.17) = 2400(1.17) = $2,808

Difference = $2,836.70 - $2,808 = $28.70

Therefore, <span>he will earn $28.70 more interest in 5 years if the interest were compounded annually</span> .
7 0
4 years ago
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