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2 years ago

State the negation of the following statement: The sun is not shining.

Mathematics

2 answers:

scoundrel [369]2 years ago

7 0

Not shining is the negation

nasty-shy [4]2 years ago

4 0

Not shining is the negation because it is the contradiction or denial of something.

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This table shows some values of an exponential function. what is the function

Yuri [45]

Answer:

there is no table so we are therefore unable to answer this question

Step-by-step explanation:

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2 years ago

F(x) = 2x² + 8x Find f(-1)

inysia [295]

Answer:

-6

Step-by-step explanation:

2(-1)^2 + 8*-1 = 2*1+8*-1=2-8=-6

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2 years ago

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An office opens at 9am and closes at 5.30pm with a lunch break of 30minutes. What is the ratio of lunch break to the total perio

Alex777 [14]

Answer:

1:17

Step-by-step explanation:

Find out how long it it between 5.30pm and 9am. This is 8 hours 30 minutes or 510 minutes.

Now, arrange them in the ratio of Lunch Break to Total office time

30:510. This can be simplified to 1:17

Please check if the question is worded correctly, just in case. Because ratio questions are usually based on a part and the remaining parts of the same thing, and not part to whole.

Anyway. The answer given if for the question you have typed.

Hope this helps.

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2 years ago

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the cost per minute of a conference phone call, originally $2.80, increased by 20%. What is the new price?

erica [24]

Y=2.80(1.20)^1
=$3.36

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2 years ago

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Sandra normally takes 2 hours to drive from her house to her grandparents' house driving her usual speed. However, on one partic

Rudiy27

Answer:

Her usual driving speed is 38 miles per hour.

Step-by-step explanation:

We know that:

$s = \frac{d}{t}$

In which s is the speed, in miles per hour, d is the distance, in miles, and t is the time, in hours.

We have that:

At speed s, she takes two hours to drive. So

$s = \frac{d}{2}$

$d = 2s$

However, on one particular trip, after 40% of the drive, she had to reduce her speed by 30 miles per hour, driving at this slower speed for the rest of the trip. This particular trip took her 228 minutes.

228 minutes is 3.8 hours. So

$0.4s + 0.6(s - 30) = \frac{d}{3.8}$

$3.8(0.4s + 0.6s - 18) = d$

$3.8s - 68.4 = 2s$

$1.8s = 68.4$

$s = 38$

Her usual driving speed is 38 miles per hour.

3 0

2 years ago