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3 years ago

What is the answer of -2 < 5 - k ÷ 2

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

3 0

Step-by-step explanation:

$- 2 < 5 - \frac{k}{2} \\ - 7 < - \frac{k}{2} \\ \frac{k}{2} > 7 \\ k > 14$

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Jacob and Sarah are saving money to go on a trip. They need at least $1975 in order to go. Jacob mows lawns and Sarah walks dogs

xxTIMURxx [149]

Hello Person!!

The answer is below!!

-------------------------------------------------------------------------------------------------------

Step-by-step explanation:

representing the number of lawns mowed.

y representing the number of dogs walked.

They need at least $1975 means less than or equal to 1975.

Hence,

$x + y < 1975$ $or$ $y > 50$

But, Mostly it's $y > 50$

P.S Tell me if this is wrong....

$GoodLuck!!$

# $Be$ $Bold$

# $LearnWithBrainlyAlways$

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3 years ago

in a box of 12 fuses, there are 3 that are defective. if a quality control engineer tests 4 of these fuses at random, what is th

vladimir1956 [14]

3/12, or 1/4, are defective.
he tests 4/12, or 1/3, fuses.
1/4(1/3) = 1/12 ?

i’m sorry if this is wrong. i’m not good at probability!

6 0

3 years ago

The graph of f (x) = x + 5 is a vertical translation 5 units

irakobra [83]

Answer:

A horizontal translation of 5 units to the left.

Step-by-step explanation:

Given the parent linear function:

$\displaystyle f(x)=x$

To shift vertically n units, we can simply add n to our function. Hence:

$f(x)=x+n$

So, a vertical shift of 5 units up implies that n=5. So:

$f(x)=x+5$

As given.

However, to shift a linear function horizontally, we substitute our x for (x-n), where n is the horizontal shift. So:

$f(x-n)=(x-n)$

Where n is the horizontal shift.

For example, if we shift our parent linear function 1 unit to the right, this means that n=1. Therefore, our new function will be:

$f(x-1)=(x-1)$

Or:

$f(x)=x-1$

We notice that this is also a vertical shift of 1 unit downwards.

Therefore, we want a number n such that -n=5.

So, n=-5.

Therefore, it we shift our function 5 units to the left, then n=-5.

Then, our function will be:

$f(x-(-5))=(x+5)\text{ or } f(x)=x+5$

Hence, we can achieve f(x)=x+5 from f(x)=x using a horizontal translation by translating our function 5 units to the left.

7 0

3 years ago

Two pairs of consecutive sides are congruent

amm1812

Answer:

yes because if there the same they are

Step-by-step explanation:

7 0

3 years ago

Please help thank you again

guajiro [1.7K]

Answer:

True

Step-by-step explanation:

So, again, from the most right column, we can add 5, -6, and -2 to get -3. We now know that every row or column must be equal to -3.

The question is asking if the number square below is -3. We found out from above that is -3 so it's true.

3 0

3 years ago