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PIT_PIT [208]
3 years ago
11

At-home medical test kits have increased in popularity in recent years. This​ year, 380 million test kits are expected to be sol

d. This represents a 114% increase from the number of kits that were sold last year. How many medical test kits were sold last​ year?
Mathematics
1 answer:
Vladimir79 [104]3 years ago
5 0

Answer:

326.8 million

Step-by-step explanation:

You just get 14% of 380 million and subtract it from 380 million

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Through which angle of rotation does the image of a regular pentagon coincide with its preimage?
Svetach [21]
Answer: 72° or any muliple of it: 72°, 144°, 216°, 288°, 360°, ...

It can be either clockwise or counterclockwise.


Explanation:


Thi is because a regular pentagon has 5 congruent sides.

Then you determine the angle of rotation by dividing 360° (a complete turn) by the number of sides (5)

360° / 5 = 72°.

Then every 72° the segments of the image will overlap those of the preimage.
4 0
3 years ago
C(x) = mx + 500
grin007 [14]

Total cost as the function of shirts is :

C(x) = mx + 500 .

It is given that , The total cost to produce 100 shirts is $800.

800 = 100m + 500

m = 3

So , cost is given by :

C(x) = 3x + 500 .

Now , putting x = 1000 .

We get :

C(x) = 3x + 500

C(x) = 3(1000) + 500

C(x) = $3500

Therefore , cost of producing 1000 shirts is $3500 .

Hence, this is the required solution .

6 0
3 years ago
Solve the following please
Dima020 [189]

Answer:

x=4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
THE SUN IS FALLING WHOA
Hitman42 [59]

Answer:

(D) \frac{\sqrt{x}}{x}

Step-by-step explanation:

\frac{3x^2}{\sqrt{9x^5}}=\frac{3x^2}{3\sqrt{x^5}}=\frac{\sqrt{x^4}}{\sqrt{x^5}}=\sqrt{\frac{x^4}{x^5}}=\\=\sqrt{\frac{1}{x}}=\frac{1}{\sqrt{x}}=\frac{\sqrt{x}}{x}

3 0
3 years ago
There are approximately 17,620 people per square mile in New York City. If New York City is 468
Simora [160]

Answer:

8,246,160

Step-by-step explanation:

Population density

= people/area

Given

Population density of New York = 17,620 and

Area = 468 square mile

Therefore,

17620 = people /468

Cross multiply

People = 17620 x 468

= 8246160

There are 8,246,160 people in New York

6 0
3 years ago
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