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mojhsa [17]
2 years ago
11

The temperature in Oxford on Friday is -8 c

Mathematics
2 answers:
11Alexandr11 [23.1K]2 years ago
8 0

Answer:

-16c

Step-by-step explanation:

Decrease means minus in this case

So:

-8c-8c=-16c

Ainat [17]2 years ago
3 0

Answer:

On Friday: -8°c

On Saturday: Temperature decreases by 8°C

<u>   As 8°C is reduced again we need to subtract </u>

⇒ -8 - 8

⇒ -16

We can understand this by counting or looking at a number line

in the number line when the values of a number decreases the number place moves to the left! So we need to move 8 places towards the left from -8 in the umber line

WHICH COULD BE SHOWIN LIKE THIS:

-17,<u>-16,-15,-14,-13,-12,-11,-10, -9,</u>-8,7,-6,-5,-4,-3,-2,-1,0,1,2,3.......

You try counting in the series of numbers i have given above start counting towards the left from -9 as 1 till u reach the 8th value which will be -16

Hope this helps.....

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If it’s a triangle then it has to equal 180
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x=78
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2 years ago
Can somebody please clearly (and correctly) explain how to successfully work out this question?
STatiana [176]

Answer:

No

Step-by-step explanation:

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divide 4m by 0.2m for row of tiles ⇒ 20 tiles per row

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number of tiles = 20 × 15 = 300

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cost = 30 × £34.99 = £1049.70

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6 0
3 years ago
A coin is tossed. If heads appears, a spinner that can land on any number from 1 to 3 is spun. If tails appears, a second coin i
Advocard [28]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The half-life of caffeine in a healthy adult is 4.8 hours. Jeremiah drinks 18 ounces of caffeinated
statuscvo [17]

We want to see how long will take a healthy adult to reduce the caffeine in his body to a 60%. We will find that the answer is 3.55 hours.

We know that the half-life of caffeine is 4.8 hours, this means that for a given initial quantity of coffee A, after 4.8 hours that quantity reduces to A/2.

So we can define the proportion of coffee that Jeremiah has in his body as:

P(t) = 1*e^{k*t}

Such that:

P(4.8 h) = 0.5 = 1*e^{k*4.8}

Then, if we apply the natural logarithm we get:

Ln(0.5) = Ln(e^{k*4.8})

Ln(0.5) = k*4.8

Ln(0.5)/4.8 = k = -0.144

Then the equation is:

P(t) = 1*e^{-0.144*t}

Now we want to find the time such that the caffeine in his body is the 60% of what he drank that morning, then we must solve:

P(t) = 0.6 =  1*e^{-0.144*t}

Again, we use the natural logarithm:

Ln(0.6) = Ln(e^{-0.144*t})

Ln(0.6) = -0.144*t

Ln(0.6)/-0.144 = t = 3.55

So after 3.55 hours only the 60% of the coffee that he drank that morning will still be in his body.

If you want to learn more, you can read:

brainly.com/question/19599469

7 0
2 years ago
Identify the middle line of: f(t) = pi sin (pi t - pi) +pi
valentina_108 [34]

Answer:

y=π=3.1416, nearly

3 0
3 years ago
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