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
AysviL [449]
3 years ago
8

The relationship between the cost, y, in dollars, and the feet of steel beam, x, bought can be modeled by the proportional equat

ion y=___x

Mathematics
1 answer:
lara [203]3 years ago
5 0

Answer:

The relationship is

y = 12x

You might be interested in
A glass of skim milk supplies 0.1 mg of iron, 8.5 g of protein, and 1 g of carbohydrates. A quarter pound of lean red meat provi
Tems11 [23]

Answer:

glasses of milk=4

quatar pounds servings of meat =5

two slices of whole grains bread =8

Step-by-step explanation:

Let m= milk

r=meat

b=bread

0.1m+3.4r+2.2b=35 (1)

8.5m+22r+10b=224 (2)

m+20r+12b=200 (3)

Multiply (1) by 85 and (2) by 1

8.5m+289r+187b=2,975 (4)

8.5m+22r+10b=224 (5)

Subtract (5) from (4)

267r+177b=2,751 (6)

Recall,

8.5m+22r+10b=224 (2)

m+20r+12b=200 (3)

Multiply (2) by 1 and (3) by 8.5

8.5m+22r+10b=224 (7)

8.5m+170r+102b=1700 (8)

Subtract (7) from (8)

148r+92b=1,476 (9)

Recall,

267r+177b=2,751 (6) and

148r+92b=1,476 (9)

Multiply (6) by 148 and (9) by 267

26196b=407,148 (10)

24564b=394,092 (11)

Subtract (11) from (10)

1,632b=13,056

Divide both sides by 1,632

b=13,056/1,632

b=8

Substitute the value of b in (9)

148r+92b=1,476 (9)

148r+92(8)=1,476

148r+736=1,476

148r=1,476-736

148r=740

Divide both sides by 148

r=740/148

r= 5

Substitute the value of b and r in (1)

0.1m+3.4r+2.2b=35 (1)

0.1m+3.4(5)+2.2(8)=35

0.1m+17+17.6=35

0.1m+34.6=35

0.1m=35-34.6

0.1m=0.4

Divide both sides by 0.1

m=0.4/0.1

m=4

4 glasses of milk, 5 quatar pounds servings of meat and 8 two slices of whole grains bread will supply the required nutrients.

8 0
4 years ago
In a popular online role playing game, players can create detailed designs for theircharacter's "costumes," or appearance. Juan
Virty [35]
P\approx0.90

1) The first thing we need to do is to find the total number of visitors. This is going to be our Sample Space

31+26+2=31+28=59 Visitors altogether

2) The next thing to do is to find the favorable event. Note that we can see that 26 people purchased only one costume.

3) The final and last step is to find the probability, so we can write out the following:

P=\frac{26}{59}=0.8965\approx0.90

Thus, this is the answer: 0.90

4 0
1 year ago
Suppose that the height, in inches, of a 25-year-old man is a normal random variable with parameters = 71 and 2 = 6:25. What per
Alexus [3.1K]

Answer:

2.28%

Step-by-step explanation:

given that the height, in inches, of a 25-year-old man is a normal random variable with parameters = 71 and variance = 6:25.

If X is the height of 25 year old man then X is N(71, 2.5)

a) Probability of men in the 6-footer club are over 6 feet, 5 inches

=P(X>6'5")\\=P(X>77")\\= P(Z>\frac{77-72}{2.5} \\=P(X>2)

= 0.0228

percentage of men in the 6-footer club are over 6 feet, 5 inches

100 times prob

=2.28%

2.28% of men in the 6-footer club are over 6 feet, 5 inches willbe taller than 6 feet and 5 inches

5 0
4 years ago
Question 13 of 30
Ivan

Answer:

608.33 cm

Step-by-step explanation:

that is a simple subtraction :

703.33 - 95 =

in our heads : let's assume we initially subtract only 93.

then it is easy

703.33 - 93 = 610.33

and now we subtract the remaining 2 (to subtract in total 95), and we get

608.33 cm

4 0
2 years ago
1) Hector and Rhonda have subscriptions to different movie streaming 5 points
Anestetic [448]

Answer:

the answer is c 4

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Which of the following could be an equation of the line that is perpendicular to= 2x + 5
    7·2 answers
  • How many acute , obtuse , and right angles does a octagon have
    5·2 answers
  • An airplane is traveling at a speed of 60 meters per second. Identify the correct conversion factor setup required to compute th
    10·1 answer
  • Chen receives 17.5% of 4 weeks normal pay as leave loading. If Chen’s leave loading was $379.40 find his normal weekly pay
    6·1 answer
  • Will give BRAINLIEST if you help me out
    9·1 answer
  • Plsss help highschools mathematics
    8·1 answer
  • ✨I NEED A SMART PERSON✨ (math)
    12·2 answers
  • How are (5.3,1) and (-5.3,1) related?
    13·1 answer
  • In the year 2006, a company made $6.9 million in profit. For each consecutive year
    14·1 answer
  • The populations of two cities after t years can be modeled by -150t+50,000 and 50t+70,0000 . What is the difference in the popul
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!