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ludmilkaskok [199]

2 years ago

9

Train A and Train B both leave the station at 9am. Train A stops every 15 minutes. Train B stops every 24 minutes. At what time

do both Trains stop at the same time again?

1 answer:

snow_tiger [21]2 years ago

6 0

Answer:

here

Step-by-step explanation:

180 minutes

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What is the simplest form of 1764

vova2212 [387]

Answer:

42

Step-by-step explanation:

Do the math:)

6 0

2 years ago

Can you please give me an explanation on which one of these is right?

Luda [366]

Answer:

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6 0

2 years ago

Which products result in a perfect square trinomial? Select three options.

Kazeer [188]

Answer:

Second option: $(xy+x)(xy+x)$

Third option: $(2x-3)(-3+2x)$

Fifth option: $(4y^2+25)(25+4y^2)$

Step-by-step explanation:

By definition, a perfect square trinomial can be obtained by squaring binomials.

Then:

$(a+b)^2=(a+b)(a+b)=a^2+2ab+b^2\\\\(a-b)^2=(a-b)(a-b)=a^2-2ab+b^2$

Knowing this, to obtain a perfect square trinomial, the binomials that you multiply must be equals.

Therefore, the products result in a perfect square trinomial are:

$(xy+x)(xy+x)=(xy+x)^2=(xy)^2+2(xy)(x)+x^2=x^2y^2+2x^2y+x^2$

$(2x-3)(-3+2x)=(2x-3)^2=(2x)^2-2(2x)(3)+3^2=4x^2-12x+9$

$(4y^2+25)(25+4y^2)=(4y^2+25)^2=(4y^2)^2+2(4y^2)(25)+25^2=16y^4+200y^2+625$

8 0

3 years ago

Read 2 more answers

SOLVE THIS PROBLEM PLEASE EXPLAIN HOW IT IS CORRECT PROVIDE! ASAP PLS THANK YOU SO MUCH FOR HELPING 10+ POINTS

Savatey [412]

Answer:

14x7=98

Step-by-step explanation:

First you see the line going down and there is the height 7 you can move that tiny triangle to the left where the parallelogram can be made into a rectangle.

all you need is to multiply base x height

base 14cm height 7cm pls brainliest

hope this helps!

5 0

2 years ago

Help on this please!

Nana76 [90]

2/9 - 7/12

First, multiply to find a common denominator. Multiply both pieces of the left fraction by 12, and both pieces of the right fraction by 9.

24/108 - 63/108 = -39/108 = -13/36

a= -13
b= 36

8 0

3 years ago