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2 years ago

11

What happens when the scale factor is negative?

2 answers:

Anastaziya [24]2 years ago

7 0

That menas that it we be negative because any thing that is negative is going bigger

madreJ [45]2 years ago

6 0

<span>The geometric shapes are decrease, if the scale factor is negative.

</span><span> The negative scale factor is also a factor in which the area of the different geometric shapes get reduced or the objects gets inverted. The area of the different geometric objects is negative due to the negative scale factor.</span>

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A nursery has 10 tree seedlings to give out at 2 workshops. It wants to give out a minimum of 2 seedlings at each workshop. How

11111nata11111 [884]

We are given total 10 tree seedlings.

Number of workshops = 2.

Here order doesn't matters.

<em>When order doesn't matters we apply combination.</em>

We know formula of combination:

$C(n,r) = \frac{n!}{r!(n-r)!}$

For the given situation, we have

n=10 and r=2.

Plugging values in formula, we get

$\frac{10!}{2!(10-8)!} = \frac{10\times 9\times8!}{2!8!}$

$\frac{10 \times 9}{2} = \frac{90}{2} =45$

<h3>Therefore, 45 different ways can the nursery give out seedlings.</h3>

5 0

2 years ago

The wavelength of ultraviolet light is about 0.00000003 inches. Which number best approximates this length as a power of 10?

Phantasy [73]

Letter C is the answer

4 0

5 months ago

Use inverse operations and properties of equality to isolate the variable m+31=307

otez555 [7]

ANSWER

$m = 276$

EXPLANATION

The given equation is

$m + 31 = 307$

We add the additive inverse of 31 which is -31 to both sides of the equation to get,

$m + 31 + - 31= 307 + - 31$

Simplify;

$m +0= 307 - 31$

$m = 276$

6 0

2 years ago

On the first part of a journey, Alan drove a distance of x km and his car used 6 litres of fuel.

irinina [24]

Answer:

$\frac{600}{x+20}\text{ litres per 100 km}$

Step-by-step explanation:

Given,

The number of litres consumed by car in (x+20) km = 6,

So, number of litres consumed by car in 1 km = $\frac{6}{x+20}$ ,

Now, number of litres consumed by car in 100 km = 100 × litres consumed by car in 1 km

$=100\times \frac{6}{x+20}$

$=\frac{600}{x+20}$

Hence, the rate of fuel used by his car would be $\frac{600}{x+20}$ litres per 100 km.

6 0

3 years ago

Assume that y varies inversely with x. If y= 4 when x = 4, find y when x = 2. <br> y=[ ? ]

ahrayia [7]

Answer:

4

Step-by-step explanation:

y inversely proportional to x

y=1k/x

4=k/4

k=4×4

k=16

to find y

y=16/4

y=4

4 0

2 years ago