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2 years ago

SOMEONE PLEASEEEEEE HELPPPPP ASAPPPP I NEED THE ANSWER

Mathematics

1 answer:

yulyashka [42]2 years ago

7 0

Answer:

34° is the closest to the record high in degree Fahrenheit ⇒ C

Step-by-step explanation:

∵ The formula F = $\frac{9}{5}$ C + 32 is used to convert the temperature from

degrees Celsius (C) to degree Fahrenheit (F)

∵ The high temperature in Chicago is 1° Celsius

→ Substitute C in the formula above by 1

∴ F = $\frac{9}{5}$ (1) + 32

∴ F = $\frac{9}{5}$ + 32

∴ F = 33.8°

→ Round it to the nearest degree Fahrenheit

∴ F ≅ 34°

∴ 34° is the closest to the record high in degree Fahrenheit

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There are approximately 7.7 billion humans on Earth. If the virus spreads beyond the 200-person town, how long will it be until

eimsori [14]

Answer:

25.2 weeks until everyone on the planet is infected

Step-by-step explanation:

The number of infected people after t weeks has the following format:

$P(t) = P(0)(1+r)^{t}$

In which P(0) is the initial number of infected people and r is the growth rate, as a decimal.

The number of infected people doubles every week

This means that $P(1) = 2P(0)$

$P(t) = P(0)(1+r)^{t}$

$2P(0) = P(0)(1+r)$

$1 + r = 2$

$r = 1$

$P(t) = P(0)*(2)^{t}$

200-person town

This means that $P(0) = 200$

$P(t) = P(0)*(2)^{t}$

$P(t) = 200*(2)^{t}$

How long will it be until everyone on the planet is infected?

This is t for which P(t) = 7700000000[/tex]

$P(t) = 200*(2)^{t}$

$7700000000 = 200*(2)^{t}$

$2^{t} = \frac{7700000000}{200}$

$\log{2^{t}} = \log{\frac{7700000000}{200}}$

$t\log{2} = \log{\frac{7700000000}{200}}$

$t = \frac{\log{\frac{7700000000}{200}}}{\log{2}}$

$t = 25.2$

25.2 weeks until everyone on the planet is infected

4 0

3 years ago

A rectangular flour canister has dimensions of 512 inches by 4 inches by 10 inches. A smaller sugar canister has dimensions of 3

aliina [53]

Answer:

The amount by which the sugar canister is smaller than the flour canister is 136 in³

Step-by-step explanation:

The dimensions of the flour canister = 5 and 1/2 inches by 4 inches by 10 inches

(5 and 1/2 = (5 1/2))

(3 and 1/2 = (3 1/2))

The dimensions of the smaller sugar canister = 3 and 1/2 inches by 3 inches by 8 inches

The volume of the rectangular prism = Length × Width × Height

∴ The volume of the flour canister = (5 1/2) × 4× 10 = 220 in.³

The volume of the sugar canister = (3 1/2) × 3 × 8= 84 in.³

The difference in volume between the flour canister and the sugar canister is given as follows;

220 in.³ - 84 in.³ = 136 in.³

The amount by which the sugar canister is smaller than the flour canister = 136 in.³.

5 0

3 years ago

Convert to improper fraction 15/6 into a mix number. Show your work.

Alchen [17]

Answer:

15 divided by 6 is equivalent to 5/2. When dividing that, you get 2 and then 2/4 as the decimal portion.

Simplified it would be 2 and 1/2

6 0

2 years ago

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The perimeter of a regular Pentagon is represented by the expression 35d-25 Daryl correctly wrote an expression to represent the

Ray Of Light [21]

The expression written by Daryl is Correct.

Step-by-step explanation:

Here, the given pentagon is regular Pentagon.

So, the length of all 5 sides of the pentagon is EQUAL.

Let us assume the length of each side of the pentagon = S

Now, the perimeter of the Pentagon = Sum of all its sides

or, S+ S+ S +S + S = 35 d - 25

or, 5 S = 35 d - 25

or, S = $\frac{35d - 25}{ 5} = (7d - 5)$

or, S = (7 d - 5)

Hence, the each length of the pentagon is given as

(7d - 5) = $\frac{35d - 25}{ 5}$

So, the expression written by Daryl is Correct.

8 0

3 years ago

What is the acceleration of a runner who goes from 1.4 m/s to 2.2 m/s in fourseconds?

rusak2 [61]

Find the difference in speed:

2.2 - 1.4 = 0.8 m/s

Now divide the difference in speed by time:

0.8 m/s / 4 seconds = 0.2 m/s/s

5 0

3 years ago

Read 2 more answers