Mathematics Middle School

A company that makes hair-care products had 400 people try a new shampoo. Of the 400 people, 16 had a mild allergic reaction. What percent of the people had a mild allergic reaction?

Answers

Answer 1

Answer:

4% of people had a mild allergic reaction

Step-by-step explanation:

16 is 4% of 400

[tex]y = p\% \times x[/tex]

[tex]p\% = y \div x[/tex]

[tex]p\% = 16 \div 400[/tex]

[tex]p = 0.04[/tex]

Convert decimal to percentage

[tex]p\% = 0.04 \times 100 = 4\%[/tex]

Answer 2

My Answer:

I am pretty sure it would be around 4%

Related Questions

someone pls help 0xy + 32y

Answers

Answer:

32y

Step-by-step explanation:

0xy=0

If you change x or y on any number, you will get 0: 5*0=0, 100*0=0

So, 0+32y = 32 y

The answer is 32 yards.

PLZ HELP!! 35 points

And please don’t answer just for points

Answers

Answer:

Step-by-step explanation:

I don’t know this ok bye

Tori wants to purchase the new Canon Ivy mini photo printer. Target's regular price is $129.99. The Target sale flyer said to take 25% off of all mini printers.

What is the amount off?
What is the sale price?
If Orange County sales tax is 6%, how much tax will be charged for the item?
How much is the total cost?

Answers

Answer:

Amount off: $32.50

Sale price: $79.99

Sales tax: 13.33

Total cost: 93.32

Hope this helps!

Solve each system by elimination
8/11y+3/11=-x
-21=56y+77x

Answers

Answer:

Find the least common denominator (LCD) by factoring each denominator multiple ... -77x+11_- Tx 5.6X-5 – 2x-3_24x 6. ... 11y-3 = 14 - 2x ... 2x=-16. 1. x+y=-1 x 3-8. Solve each system of linear equations by substitution. ... elimination method.

Step-by-step explanation:

The answer is y=-11x-3/8

Determine the lateral and total surface area of the pyramid.

Answers

Lateral: 36cm

Explanation: 6x6

Total Surface Area: 228 cm

Explanation: The triangles Area is 48 multiply 48 by 4(the amount of sides) and it equals 192 cm then add the bottom side equaling 228 cm

What is \sqrt{68} in simplest radical form?

Pls i really need help on this :/

Answers

Step-by-step explanation:

Since 68 = 2² * 17,

√68 = √(2² * 17) = √(2²) * √17 = 2√17.

I agree with CH!!!!!!!!

Max earns $6.50 per hour mowing lawns. On Saturday he earned $52. How many hours did he mow lawns?

Answers

Answer:

8 hours

Step-by-step explanation:

i just did 52÷6.50=8

He worked 8 hours because if you divide his total amount made but his hourly pay you get 8 hours he worked

Does any one know the answer?? I would be so thankful.

Answers

Answer:

The Bravo is more expensive by $19 than the Inferno

Step-by-step explanation:

Inferno:

2,000+12,000=14,000

14,000+438=15,038

Bravo:

3,000+11,340=14,340

14,340+717=15,057

15,057-15,038=19

The Bravo is more expensive by $19 than the Inferno.

The bravo is 19$ more expensive then the inferno

Use the distributive property to find the equivalent expression.
7(7 + 6b) =

Answers

7x7= 49

7x6b= 42b

49+42b

Answer:

49 + 42b

Step-by-step

You are using the distributive property, Take the 7 on the outside, and multiply it by both numbers on the inside.

7 * 7 = 49

7 * 6b = 42b

49 + 42b

Use the table below and write an equation to show the relationship between x and y

X (INPUT) 2 5 8 10 11
Y (OUTPUT) 6 15 24 30 33
Group of answer choices

A.y=x+3

B.y=x -10

C.y = 3x

D.y = x/3

Answers

Answer:

Step-by-step explanation:

your answer should be d !

Sara can travel 23 feet in 11 hours. Please calculate Sara's rate of speed. (round to 2 decimal places)

A. 2.09 feet per hour

B. 0.21 hours per feet

C. 2.09 hours per feet

D. 0.21 feet per hour

Answers

Answer:

I think is C sorry if i'm incorrect

Step-by-step explanation:

Answer:

A. 2.09 feet per hour

Step-by-step explanation:

Speed= Distance/Time

All you have to do is divide the time by distance

like this: 23 ÷ 11

The answer would be 2.090909090909091, but since you are rounding the answer would be A. 2.09

But don't forget that you want to know how far she is going per hour

A salesman sold twice as much pears in the afternoon than in the morning. If he sold 360 kilograms of pears that day, how many kilograms did he sell in the morning and how many in the afternoon?, Make sure you show your work!
I'LLGIVE YOU BRAINLIEST!!!!!!!

Answers

Answer:

165

Step-by-step explanation:

Khan academy

Answer:

The salesman sold 120 kg of pears in the morning and 240 kg of pears in the afternoon.

Step-by-step explanation:

Let x be the amount of pears sold in the morning.

2x, amount of pears sold in the afternoon.

x + 2x = 360 kg

Solution:

x + 2x = 360 kg

3x = 360 kg

3x/3 = 360 kg/3

x = 120

He sold 120 kg of pears in the morning.

2x = 2(120 kg) = 240 kg

He sold 240 kg of pears in the afternoon.

Final Answer:

The salesman sold 120 kg of pears in the morning and 240 kg of pears in the afternoon.

plz help mee thank you

Answers

Answer:

Step-by-step explanation:

Your answer is A

A
A
A
A
A
A
A
A

A
A
A
A
A
A

A

i need help ;-; pls i need answer ;-; will give brainliest

Answers

Answer:

15x because the air ballon drops 15 meters each time the elevation decreases

Step-by-step explanation: Im not sure if this is what youre looking for but it drops 15 meters each time, 5 times so the change would be 15x and the x is used as how mant different times the elevation drops

Answer:

15. x

Step-by-step explanation:

Each time she goes down, she lowers by 15 meters. The integer is 15 and the integer that represents the elevation is x since it isn't explained, and you'd never know the value. I hope this helps.

SNOG pls help me with my homework

Answers

Answer: I think it would costs $34.50 for 7.5 lbs of walnut

Step-by-step explanation: I HOPE THIS HELPS :)

Give the product of 3 1/3 and 1/5 in simplest form.

Please help

Answers

Answer:

2/3

Step-by-step explanation:

10/3 x 1/5 = 10/15

The answer is 2/3 that is the simplest form

A colony of 23,000 bacteria doubles in size every 267 minutes. What will the population be 534 minutes from now?
Please answer as soon as possible. Thank you!

Answers

Answer:

92000

Step-by-step explanation:

Since you are asking in 534 minutes, that means it will double twice.

23000 * 2 * 2 = 92000

Answer:

46000

Step-by-step explanation:

23000 / 267 = 86.1423221

anwser(its too long to write) x 534 = 46000

HIFLUFFLYFYFYLDDDDICYLFDGHCGYHDCGCUDCF

Answers

Answer:

178

Step-by-step explanation:

138 x 14= 1932

1932/28= 69

69+109= 178

The answer its 178....

x^2 = 64
x= ________

Answers

Answer:

x = 8

Step-by-step explanation:

8^2 = 64

The answer is 8 because 8 to the power of two will be 8 times 8 which is 64.

X=8

EXPLAIN I WILL GIVE BRAINLIEST TYYYY

Answers

Answer:

The y intercept is -2

Step-by-step explanation:

When looking for the y intercept you are looking for the point that is on the y axis and for this problem it is -2.

The other guys answer is right

order the number least to greatest
4.32 , 4.5 , 4.312 , 4.316

Answers

4.312, 4.316, 4.32, 4.5

I hope this helps ^W^ have a great day!

4.312, 4.316, 4.32, 4.5

six tenths of jades pins are red,1/10 are yellow and the rest are blue. what fraction of janes pins are blue?

Answers

Answer : the answer would be 3/10

Explanation: six plus one is 7 , and 7 plus 3 is 10.

You also subtract 7 from 10 and get 3.

A building casts a shadow that is 48 feet long. At the same time, a 6 foot tall man casts a shadow that is 11 feet long. If they two are proportional, calculate, to the nearest foot, the height of the building?

Answers

Answer:

200ft

Step-by-step explanation:

Say, the height of building is x ft

Then, as given

40/9.6 =x/48

x=48*40/9.6

=200 ft

Im almost high school so thisis what I got.

Calculate the Unit Rate.

$9.75 for 5 mangos.

Answers

Answer:

$1.95 for 1 mango

Step-by-step explanation:

Answer:

$1.95

Step-by-step explanation:

By dividing the price by the amount, I found the unit rate.

r+(-5r)

Combine the like terms to create an equivalent expression:

Answers

Answer:

Remove parentheses.

r-5r

Simplify.and the answer will be

-4r

Anytime love

Step-by-step explanation:

i need help with this

Answers

756 I think that’s the answe

Answer:

It's Halloweeeeen

Step-by-step explanation:

(I took Geometry before and I still have my notes). To find the area of the rectangle, you'd multiply 12 x 9 because the rEcIpE for it is length x width (A=lw). Whe you do that, you get 108.

To find the area of the triangle, you have to multiply the base and the height, then divide that by 2. The recipe for that is 1/2 base x height (A=1/2bh). The base of the triangle is equal to the height of the rectangle (which is 9). So you'd be multiplying 9x7 which equals 63, then dividing that by 2 which is 31.5.

After all that, you add 108 and 31.5 to get 139.5cm squared! Hope this helped :3

Helps pls ill give u points lel

Answers

Answer:

umm i just woke up maybe later

Step-by-step explanation:

the first one is 6 red beads to 9 blue beads

the second one is 10 red beads to 15 blue beads

the last one is 14 red beads to 21 blue beads

hope this helps

1.6 to 9
2.10 to 15
3.14 to 21

Find the Equivalent Ratio
1/2 : 3/4 4 1/2 : x

Answers

The answer will be
(27/16) hope this helps
:)

help meee pleasee

2. A manager ordered large cement spheres to place on the sidewalk outside his store. The diagram below shows one of the cement spheres. Which is the best estimate for the volume of cement used to make one of the spheres? *

A. 13.6 cubic feet
B. 18.3 cubic feet
C. 24.4 cubic feet
D. 54.3 cubic feet

Answers

Answer:

What I got is A. 13.6

Step-by-step explanation:

i did math in journal.

your answer is 13.6 cubic feet man.

How many cubes that have a edge length 1/2 inch are need to make a 1 cubic inch?

Answers

The answer is D hope this helps

the answer is d hope it helps

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A company that makes​ hair-care products had 400 people try a new shampoo. Of the 400 people, 16 had a mild allergic reaction. What percent of the people had a mild allergic​ reaction?

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A company that makes hair-care products had 400 people try a new shampoo. Of the 400 people, 16 had a mild allergic reaction. What percent of the people had a mild allergic reaction?