2 years ago

How do you solve questions 5,7 and 9 in the picture?

Mathematics

1 answer:

Anna71 [15]2 years ago

5 0

Hello Toxrxi123, these picture should tell you the answer and how I got it.

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If you input 0 into the equation below, what is the resulting y-value?<br> y2+x2+3=4

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The answer is the 3 option

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Find the number that makes the ratio equivalent to 1:4.

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Last year, Ahmad opened an investment account with $5400. At the end of the year, the amount in the account had increased by 7.5

zheka24 [161]

Answer:

Step-by-step explanation:

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Given:

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To find:

The volume of the sphere

Solution:

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2 years ago

Emma is training for a 10-kilometer race. She wants to beat her last 10-kilometer time, which was 1 hour 10 minutes. Emma has al

Mandarinka [93]

Answer:

$70 > 55 + t$

Step-by-step explanation:

Given

$Previous\ Time = 1\ hr\ 10\ mins$

$Current\ Time = 55\ mins$

Required

Represent the additional time needed as an inequality

Convert the previous time to minutes

$Previous\ Time = 1\ hr\ 10\ mins$

$Previous\ Time = 1 * 60\ mins + 10\ mins$

$Previous\ Time = 60\ mins + 10\ mins$

$Previous\ Time = 70\ mins$

Let the additional time be t

<em>This means that she needs to run at least t minutes to beat her previous record</em>

<em />

To beat her previous record, the sum of current time and x must be less than her previous time. i.e.

$55 + t < 70$

This can be rewritten as:

$70 > 55 + t$

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2 years ago

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