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2 years ago

Which graph displays the solution to -x + 2 < -8?

Mathematics

1 answer:

Vika [28.1K]2 years ago

6 0

Well the graph would be a dotted line shading to the right

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John needs to write 2,146 online math questions in 45 weeks. John is estimating how many questions he should write each week to

vagabundo [1.1K]

Answer: 2,000 ÷ 50

Step-by-step explanation:

From the question, we are informed that John needs to write 2,146 online math questions in 45 weeks and that he is estimating how many questions he should write each week to meet the deadline.

The compatible numbers that provide a better estimate for the number of question he should write each week, is 2,000 ÷ 50. This is because rounding up of 2146 to the nearest thousand gives 2000. The number beside the thousand place is 2 and sinces it's not up to 5, the number becomes 2000. Likewise 45 to the nearest ten gives 50 since the number beside the ten is 5, therefore 1 will be added to 4 which becomes 5 and the number in the unit place is changed to 0, this makes the number become 50.

Therefore, the answer is 2000 ÷ 50.

5 0

2 years ago

I am not sure how to slove

notsponge [240]

First .... the limit of the given function is NOT EQUAL to 5 (it diverges so it has no limit). There is a typo. The 14 should be positive.

$\lim_{x \to\ 7} \bigg(\dfrac{x^2-9x+14}{x-7}\bigg)=5$

The precise definition of a limit is:

$\text{If for every } \epsilon>0\text{ there exists a }\delta >0\text{ such that}\\|f(x)-L|$

Given:

$f(x) = \dfrac{x^2-9x+14}{x-7}\\\\L=5\\\\a=7\\\\\\|f(x)-L|$

⇒ $\epsilon = \delta$

When ε = 0.1, δ = 0.1

When ε = 0.01, δ = 0.01

5 0

2 years ago

a small pump can drain a pool in 9 hours. a large pump could drain the same pool in 7 hours. how long will it take to drain the

siniylev [52]

3.94 hours. hope this helps.

4 0

2 years ago

Someone help with this question ?????? Hi

8090 [49]

ANSWER

The second statement is the contrapositive of the first.

EXPLANATION

If we have the conditional statement,

$x\Rightarrow \: y$

Then the converse of this statement is
$y\Rightarrow \: x$

The inverse of this statement is
$\neg \: x\Rightarrow \neg \: y$

and the contrapositive of this statement is
$\neg \: y\Rightarrow \neg \: x$

The correct answer is C.

5 0

2 years ago

Which of the following is the best estimate for 24 9/20

Svet_ta [14]

24 9/20 = 489/20

round 489 to 1sf like 20 is

500/20 = 25

4 0

1 year ago