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
ch4aika [34]
3 years ago
12

The width of a rectangler figure is 5 units smaller than its length. if its area is 14 units square. find its dimensions

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
6 0

W = L - 5

A = W.L

14 = (L - 5).L

14 = L² - 5L

L² - 5L -14 =0

(L - 7)(L + 2) = 0 {factorized}

L = 7 / L = -2

In this case L would be equal to 7 because a length of anything can't be a negative number

Therefore, W = 2

Answer : Length = 7   Width = 2


You might be interested in
Please help
pav-90 [236]

Answer:

Step-by-step explanation:

Just stop taking 40 dollars out of the bank every week

7 0
3 years ago
Read 2 more answers
Write 0.15151515 as a fraction
leonid [27]

Answer:

5/33

Step-by-step explanation:

4 0
3 years ago
What is 23 to the 4th power times 5
taurus [48]

Answer:

1399205

Step-by-step explanation:

6 0
3 years ago
PLEASE RESPOND! !!
cestrela7 [59]

Answer:

36/132

Step-by-step explanation:

36/132, .27, 27%...

6 0
3 years ago
Engineers must consider the breadths of male heads when designing helmets. The company researchers have determined that the popu
tia_tia [17]

Answer:

The minimum head breadth that will fit the clientele is 4.4 inches.

The maximum head breadth that will fit the clientele is 7.8 inches.

Step-by-step explanation:

Let <em>X</em> = head breadths of men that is considered for the helmets.

The random variable <em>X</em> is normally distributed with mean, <em>μ</em> = 6.1 and standard deviation, <em>σ</em> = 1.

To compute the probability of a normal distribution we first need to convert the raw scores to <em>z</em>-scores using the formula:

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

It is provided that the helmets will be designed to fit all men except those with head breadths that are in the smallest 4.3% or largest 4.3%.

Compute the minimum head breadth that will fit the clientele as follows:

P (X < x) = 0.043

⇒ P (Z < z) = 0.043

The value of <em>z</em> for this probability is:

<em>z</em> = -1.717

*Use a <em>z</em>-table.

Compute the value of <em>x</em> as follows:

z=\frac{x-\mu}{\sigma}\\-1.717=\frac{x-6.1}{1}\\x=6.1-(1.717\times 1)\\x=4.383\\x\approx4.4

Thus, the minimum head breadth that will fit the clientele is 4.4 inches.

Compute the maximum head breadth that will fit the clientele as follows:

P (X > x) = 0.043

⇒ P (Z > z) = 0.043

⇒ P (Z < z) = 1 - 0.043

⇒ P (Z < z) = 0.957

The value of <em>z</em> for this probability is:

<em>z</em> = 1.717

*Use a <em>z</em>-table.

Compute the value of <em>x</em> as follows:

z=\frac{x-\mu}{\sigma}\\1.717=\frac{x-6.1}{1}\\x=6.1+(1.717\times 1)\\x=7.817\\x\approx7.8

Thus, the maximum head breadth that will fit the clientele is 7.8 inches.

5 0
3 years ago
Other questions:
  • Where is the n?
    6·2 answers
  • PLEASE HELP WITH MATH AND BEST GETS BRAINLIEST. PLEASE SHOW WORK.
    6·2 answers
  • What is the meaning of horizontal?
    8·2 answers
  • Can someone help me PLEASE
    12·1 answer
  • The original price is 20 dollars. The shirt is on sale for 20% discount. How much money does a buyer save because of the discoun
    12·1 answer
  • Select the correct answer from each drop-down menu.
    14·2 answers
  • Solve a system of equations using substitution<br> –2x + 5y = 14<br> x = 8
    6·1 answer
  • Please help guys its due soon 24 points
    14·2 answers
  • Used to find the midpoint between two points (x1,y1) and (x2,y2)<br><br> what is the formula?
    15·1 answer
  • I just need the answers for these
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!