1 year ago

Could someone help me on this?

Mathematics

2 answers:

timama [110]1 year ago

6 0

The snswer is B lol get smarter

zysi [14]1 year ago

4 0

Jshshshshshshjajsjsjsjsjsjsjsjsjsjshsjdj

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(4m² - 4m²)+(-3m² -2m2 + 4 m?)

ICE Princess25 [194]

Answer:

$-5m^{2} +4m$

Step-by-step explanation:

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2 years ago

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At noon Joyce drove to the lake at 30 miles per hour. but she made the long walk back home at 4 miles per hour. How long did she

mars1129 [50]

Answer:

60 miles

Step-by-step explanation:

let d = distance to the lake

Using: time = distance ÷ speed

Create expressions for the time it takes for each journey:

Drive: $t_1=\dfrac{d}{30}$

Walk: $t_2=\dfrac{d}{4}$

If total time = 17 hours

$\implies t_1+t_2=17$

$\implies \dfrac{d}{30}+\dfrac{d}{4}=17$

$\implies \dfrac{17d}{60}=17$

$\implies 17d=1020$

$\implies d=\dfrac{1020}{17}$

$\implies d=60$

Therefore she walked 60 miles

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2 years ago

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Please help answer this question

jasenka [17]

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Step-by-step explanation:

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2 years ago

Q1) If Q is directly proportional to P and Q = 28 when P = 4, (i) express Q in terms of P, (ii) find the value of Q when P = 5,

marysya [2.9K]

Answer:

Q1)i) Q= 7p

ii) Q= 35

iii) P= 6

Q2)x= 3

Q3) B=4

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3 years ago

Help maths i’m bad at this :)))(

Tju [1.3M]

I suck at math to I’m so so sorry Ask a tutor they will help

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