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3 years ago

Pleaseeee hELPppP correct answer

Mathematics

1 answer:

Elena-2011 [213]3 years ago

4 0

Answer:

I'm thinking HL.

Step-by-step explanation:

So, in order to be AAS, the angles have to be the next thing after each other if that makes sense. Like, for example, you could do triangle RSQ is congruent to triangle QPR IF S and P were congruent... but there not, darn! So! That isn't the answer. In order to do SAS, you would need lines RS and PQ to be congruent because they are back-to-back with angles R,Q, plus the side (leg) that the triangles share which automatically makes them congruent btw :) Okay so this is getting a little lengthy (sorry) but I just wanted to explain why some of the answers are automatic turn offs. Anyhoo, HL would work because the hypotenuses (QS and PR) are congruent along with the one leg that both triangles share (QR or RQ however you want to look at it). I'm sorry if I'm wrong. I hope this helps!! Good luck! and always remember, if the angles and sides aren't next to each other, it doesn't match up with SAS, AAS, SSS, or ASA. Have a good night!

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A shop recorded total sales of $2,000 on Monday. On Tuesday, its sales fell by 10%. On Wednesday, sales fell by another 20% comp

IrinaVladis [17]

The net change, in dollars, in total sales was -60

Step-by-step explanation:

A shop recorded total sales of $2,000 on Monday

On Tuesday, its sales fell by 10%

On Wednesday, sales fell by another 20% compared with Tuesday

From Wednesday to Thursday, sales increased by an amount equal to 25% of Monday’s total sales

We need to find the net change in total sales from Monday to Thursday

∵ The total sales in Monday = $2000

∵ The total sales fell by 10% on Tuesday

∵ 2000 × 10% = 2000 × $\frac{10}{100}$ = 200

∴ The total sales fell by $200 on Tuesday

∴ The total sales on Tuesday = 2000 - 200 = 1800

∴ The total sales on Tuesday is $1800

∵ On Wednesday, sales fell by 20% compared with Tuesday

∵ The total sales on Tuesday = $1800

∵ 1800 × 20% = 1800 × $\frac{20}{100}$ = 360

∴ The total sales fell by $360 on Wednesday

∴ The total sales on Wednesday = 1800 - 360 = 1440

∴ The total sales on Wednesday is $1440

∵ The sales increased by an amount equal to 25% of Monday’s

total sales from Wednesday to Thursday

∵ The total sales on Monday = $2000

∵ 2000 × 25% = 2000 × $\frac{25}{100}$ = 500

∴ The total sales increased by $500 from Wednesday to Thursday

∵ The total sales = $1440 on Wednesday

∴ The total sales from Wednesday to Thursday = 1440 + 500 = 1940

∴ The total sales from Wednesday to Thursday is $1940

∵ The net of change = The total sales on Thursday - the total sales

on Monday

∵ The total sales on Monday = $2000

∵ The total sales on Thursday = $1940

∴ The net change = 1940 - 2000 = -60

∴ The net change from Monday to Thursday is - $60

The net change, in dollars, in total sales was -60

Learn more:

You can learn more about net change in brainly.com/question/6871421

#LearnwithBrainly

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AfilCa [17]

Answer:

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Step-by-step explanation:

1) Remove parentheses.

$3x^{4} -6x^{2} +8x-x^{4} -8x^{3} +3x\\$

2) Collect like terms.

$(3x^{4} -x^{4} )-6x^{2} +(8x+3x)-8x^{3}$

3) Simplify.

$2x^{4} -6x^{2} +11x-8x^{3}$

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zaharov [31]

Answer:

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