1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
svet-max [94.6K]
3 years ago
13

If 40 hamburgers feed 30 people how many hamburgers will be needed to feed 90

Mathematics
2 answers:
dezoksy [38]3 years ago
8 0

Answer:120

Step-by-step explanation:

hjlf3 years ago
8 0

Answer:

120 Burgers

Step-by-step explanation:

Your ratio is 40:30 burgers to people. You need to make the 30 into a 90. In other words, multiply by 3 on both sides. 40*3 and 30*3. This gives you a new ratio of 120:90 burgers to people. So take the 120 and you have your answer.

You might be interested in
A spinner has 4 equal areas. They are colored yellow blue green and red. What is the probability of landing on each color after
hammer [34]

Answer: you have a 25% or 1/4 probability

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help with number 19 please help me
ycow [4]

Answer:

x=3

Step-by-step explanation:

-3x= -9

x= -9/-3

x=3

bring the -3 to right side and than divide

6 0
3 years ago
Look at the picture. Which one is he answer?
Anvisha [2.4K]
A (2^2/2^-1)is the correct answer because 2^-5 * 2^8 = 8 and 2^2/2^-1 = 8.
6 0
3 years ago
a company's stock was selling at $25 a share. a month later it was selling at $30 a share what is the percent increase​
lapo4ka [179]

Answer:

20%

Step-by-step explanation:

% increase = (final − initial) / initial × 100%

= (30 − 25) / 25 × 100%

= 20%

8 0
2 years ago
Assume women’s heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. a. If one wom
Zarrin [17]

Answer:  a)  0.5636       b) 0.7881

Step-by-step explanation:

We assume that women’s heights are normally distributed .

Let x be the random variable that represents the shoe sizes.

Also, The population mean = \mu=\text{63.6 inches} ; Standard deviation: \sigma=\text{2.5 inches}

a) Formula for z:-

z=\dfrac{x-\mu}{\sigma}

Put x= 64, we get

z=\dfrac{64-63.6}{2.5}=0.16

Now, the probability that the male shoe sizes are greater than 8 :-

P(z

Hence, the probability that her height is less than 64 inches = 0.5636

b. Sample size : n= 25

Then , the formula for z :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

Put x= 64, we get

z=\dfrac{64-63.6}{\dfrac{2.5}{\sqrt{25}}}=0.8

Then, the probability that they have a mean height less than 64 inches.:_

P(z

Hence, the probability that they have a mean height less than 64 inches. =0.7881

7 0
3 years ago
Read 2 more answers
Other questions:
  • Here are 10 test scores: 30, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 74.
    14·1 answer
  • What is the approximate surface area of the sphere c=37.68?
    15·1 answer
  • The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 13.1 years; the
    7·2 answers
  • How can you use models to explain why 3.1 equals 3.10
    5·1 answer
  • Can someone explain?
    15·1 answer
  • Hellllp!
    6·1 answer
  • Please help this is timed
    9·2 answers
  • What is the solution to the system below? <br> y = -3x - 2<br> 6x + 2y = -4
    5·1 answer
  • Exterior angles of triangles: help me find the value of x please
    15·2 answers
  • Question 2 Write the following paragraph proof as a two-column proof. Given: AB = CD and BC = DE Prove: AC = CE A B C D E We're
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!