Please answer this 7th grade math question for me please. =) here are the photos

Mathematics

1 answer:

ladessa [460]2 years ago

3 0

Answer:

Just please, I don't understand this at all!!!

Step-by-step explanation:

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Will give BRAINLIEST!!!! Answer fast!!! Jude factored 27x^2 as (20x)(7x). Yasmin factored 27x^2 as (9)(3x^2). Which of them fact

julia-pushkina [17]

Hey there :)

27x² is what we are trying to factorise

When factorising, we do not add but we multiply

Jude factored : ( 20x )( 7x ) → This is wrong, since 20x × 7x = 140x²
Yasmin factored : ( 9 )( 3x² ) → This is right indeed as 9 × 3x² = 27x²

Yasmin is right

6 0

2 years ago

Bashir works in a weather station and has launched a weather balloon. The height of the balloon is 4 kilometers and it is 1 kilo

Aleksandr [31]

Consider triangle WBG, where points W, B and G represent Weather Station, Balloon and Ground, respectively. This triangle is right with right angle at vertex G. The legs of this triangle are GB and GW, the hypotenuse is BW.

From the question you know that GB=4 km and GW=1 km. By the Pythagorean theorem,

$BW^2=GB^2+GW^2,\\ \\BW^2=4^2+1^2,\\ \\BW^2=17,\\ \\BW=\sqrt{17}\approx 4.123\text{ km.}$