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
HACTEHA [7]
3 years ago
12

Iron Man has 400 pounds of iron for his new suit. He got 50% of the iron from Europe, 25% of the iron from Asia, and 10% of the

iron from Africa. He got the rest from North America. How many pounds of iron did he get from North America for his new suit?
Mathematics
1 answer:
natima [27]3 years ago
7 0

Answer:

Her got 60 pounds from North America

Step-by-step explanation:

You might be interested in
A newsletter publisher believes that less than 49% of their readers own a laptop. For marketing purposes, a potential advertiser
Zepler [3.9K]

Answer:

The answer is "At the 0,10 level, there should be enough proof that the percentage is below 49%"

Step-by-step explanation:

Null and alternative hypothesis:

H_0 :P \geq 0.49\\\\H_1:P

Significance level: \alpha = 0.10

It is decided that the null hypothesis at the defined meaning level is rejected.

5 0
3 years ago
Let’s assume that human body temperatures are normally distributed with a mean of 98.20° F and a standard deviation of 0.62° F.
uysha [10]

Answer: It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

Step-by-step explanation:

Since we have given that

Mean = 98.20°F

Standard deviation = 0.62°F

If  Bellevue Hospital in New York City uses 100.6°F as the lowest temperature considered to be a fever.

So, \bar{X}=100.6^\circ F

So, using the normal distribution, we first find the value of z.

z=\dfrac{\bar{x}-\mu}{\sigma}\\\\x=\dfrac{100.6-98.2}{0.62}\\\\z=3.87

Since z = 3.87

So, p = 0.0001 =0.1%

So,It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

4 0
3 years ago
8. If 30 cents out of every 1 dollar goes to taxes and the rest is net income, what's the
aniked [119]

Answer:

  • D. 3:7

Step-by-step explanation:

1 dollar = 30 cents tax + 70 cents net income

<u>The ratio of taxes to net income:</u>

  • 30 : 70 =
  • 3 : 7

Correct choice is D

4 0
2 years ago
Read 2 more answers
John can jog 3,000 yards in 15 minutes. Id she jogs at thw same rate, how many feet can she jog in 6 minutes
Kobotan [32]
3,000 y / 15 m
9,000 f / 15 m

X f / 6 m = 9,000 f / 15 m

Cross multiply

3,600 feet
5 0
3 years ago
Read 2 more answers
Solve the following equation for x. 7x^2-112=0
xxMikexx [17]

Answer:

x = 4 or x = -4

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Alec pours the same amount of soup into three balls he used 4 cups of soup how much soup is in each bowl
    14·1 answer
  • An rock is thrown upward from a platform that is 188 feet above ground at 80 feet per second. Use the projectile formula to dete
    9·1 answer
  • Applying One-Step Inequalities
    7·1 answer
  • The random variable X has the following probability mass function.X -1 0 2 6 7P(x) 0.3 0.1 0.3 0.2 0.1Answer the next 4 question
    11·1 answer
  • What was Miguel's mistake if any?
    7·2 answers
  • Gina and her three friends are practicing for their upcoming track meet. Jennifer ran 3.15 miles while Gina ran 3.060. Tiffany r
    8·1 answer
  • 8. How many ounces of liquid are in 4 gallons
    10·2 answers
  • Round the following 25.635 to 2 d.p <br><br>315.239 to 1 dp<br><br>0.3975 to 3dp <br>14.989 to 1 dp
    13·1 answer
  • A. Y=2w +z- x<br> B. Y=2(w+z) - x <br> C.y=x-(2w+z)<br> D. Y= x-2 (w+z)
    12·1 answer
  • A certain disease has an incidence rate of 0.2%. If the false negative rate is 4% and the false positive rate is 2%, compute the
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!