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3 years ago

Help would be really nice here just a bit lost

Mathematics

1 answer:

Fantom [35]3 years ago

7 0

Subtract 3 from 3 and 6
Then multiply by -2 on both sides

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The sum of n and 7 *

Nimfa-mama [501]

Answer:

n+7

Step-by-step explanation:

Sum means add, so it's just n added to 7:

n+7 :)

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3 years ago

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If it takes eight men ten hours to build a wall, how long would it take four men?

fomenos

If it takes eight men ten hours, it would take seven men nine hours, six men eight hours, five men seven hours and that brings us to the answer you need. It would take four men six hours.

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3 years ago

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Which of the following functions are an example of exponential growth ?

yanalaym [24]

Answer:

i don't know maybe D. 2 and 3

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2 years ago

What is the scale factor?

Fed [463]

Answer:

Step-by-step explanation:

it literally doubles in size

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2 years ago

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Pls help me with this

alexgriva [62]

Answer:

x = 1.5

Step-by-step explanation:

Given

$\frac{x}{2} \geq 0.75$

$\frac{x}{2} < 2.5$

Required

Find the value of x.

First, the inequalities need to be rewritten and merged;

if $\frac{x}{2} \geq 0.75$ , then

$0.75 \leq \frac{x}{2}$

Multiply both sides by 2

$2 * 0.75 \leq \frac{x}{2} * 2$

$1.5 \leq x$

Similarly;

$\frac{x}{2} < 2.5$

Multiply both sides by 2

$2 * \frac{x}{2} < 2.5 * 2$

$x < 5$

Merging these results together; to give

$1.5 \leq x < 5$

This means that the range of values of x is from 1.5 to 4.9999....

From the question, x is the smallest rational number; from the range above ( $1.5 \leq x < 5$ ), the minimum value of x is 1.5 and 1.5 is a rational number;

Hence, x = 1.5

4 0

2 years ago