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3 years ago

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James collected 25 seashells.Mary collected 37 seashells Ashely collected 30 more than James.How many more seashells did ashley

have collect than Mary

1 answer:

Airida [17]3 years ago

4 0

James = 25
Mary = 37
Ashley = 25 + 30
Ashely = 55
55 - 37 = 18

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A planet's initial height is 7 inches tall . The plant grows 1.3 inches each day for 27 days before the plant falling over 0.5 i

hodyreva [135]

Answer:

40.6 inches

Step-by-step explanation:

The plant's initial height is 7 inches tall.

It grows 1.3 inches each day for 27 days. This means that after 27 days, it must have grown an extra:

1.3 * 27 = 35.1 inches

It must have grown an extra 35.1 inches after 27 days. Therefore, its new height after 27 days is:

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The plant then begins falling over 0.5 inch for the next 3 days. After 3 days, it must have fallen over by a height:

0.5 * 3 = 1.5 inches

Therefore, after 30 days, the plant's new height is:

42.1 - 1.5 = 40.6 inches

The plant's height after 30 days is 40.6 inches

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4 years ago

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Answer:

101010 classmates can't tell their dreams.

Step-by-step explanation:

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7By%7D%7B2%7D%20%20%3C%20%20-%203" id="TexFormula1" title=" \frac{y}{2} < - 3"

Allisa [31]

Hey!

Okay, to solve this problem, we'd first have to multiply both sides by two. The reason we do this is to get $y$ on its own.

<em>Original Equation : </em>
$\frac{y}{2}$ < $-3$

<em>New Equation {Changed by Multiplying 2 on Both Sides} :</em>
$\frac{2y}{2}$ < $2$ ( $-3$ )

And we simplify the equation to get our answer.

<em>Old Equation :</em>
$\frac{2y}{2}$ < $2$ ( $-3$ )

<em>New Equation {Changed by Simplification} :</em>
y < -6

<em>So, the equation $\frac{y}{2}$ < -3 simplified is</em> y < -6.

Hope this helps!

- Lindsey Frazier ♥

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20 points!! Solve this system of lineal equations.separate the x- and y- values with a comma

Zielflug [23.3K]

Solve the following system:{12 x = 54 - 6 y | (equation 1)-17 x = -6 y - 62 | (equation 2)
Express the system in standard form:{12 x + 6 y = 54 | (equation 1)-(17 x) + 6 y = -62 | (equation 2)
Swap equation 1 with equation 2:{-(17 x) + 6 y = -62 | (equation 1)12 x + 6 y = 54 | (equation 2)
Add 12/17 × (equation 1) to equation 2:{-(17 x) + 6 y = -62 | (equation 1)0 x+(174 y)/17 = 174/17 | (equation 2)
Multiply equation 2 by 17/174:{-(17 x) + 6 y = -62 | (equation 1)0 x+y = 1 | (equation 2)
Subtract 6 × (equation 2) from equation 1:{-(17 x)+0 y = -68 | (equation 1)0 x+y = 1 | (equation 2)
Divide equation 1 by -17:{x+0 y = 4 | (equation 1)0 x+y = 1 | (equation 2)
Collect results:Answer: {x = 4 {y = 1

Please note the { are supposed to span over both equations but it interfaces doesn't allow it. Please see attachment for clarification.

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3 years ago