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
Vinil7 [7]
3 years ago
6

The rectangle is 22cm along the base

Mathematics
1 answer:
Nikolay [14]3 years ago
5 0
X / 22 = 4 / 3 ;
x = ( 22 * 3 ) / 4 ;
x = 66 / 4 ;
x = 16,5 ;
P = 2*22 + 2*16,5 ;
P = 44 + 33 ;
P = 77 .
You might be interested in
A study shows that 78​% of the population of all calculus students consider calculus an exciting subject. Suppose 20 students ar
alexdok [17]

Answer:

0.046145 = 4.6145%

Step-by-step explanation:

We need to find the probability of 19 or 20 (all) students considering calculus to be an exciting subject, so first we find the probability for 19 students, then for 20 students, and we sum these probabilities.

The probability of the student NOT considering calculus to be an exciting subject is 1 - 0.78 = 0.22

For 19 students, we also have to calculate a combination of 20 choose 19, as these 19 students can be in different "position" among the 20 students, so:

C(20,19) = 20!/19! = 20

Probability of 19 students considering calculus to be an exciting subject:

C(20,19) * 0.78^19 * 0.22^1 = 0.039196756

Probability of 20 students considering calculus to be an exciting subject:

C(20,20) * 0.78^20 = 1 * 0.78^20 = 0.006948516

The final probability is:

0.039196756 + 0.006948516 = 0.046145272 = 4.6145272%

Rounding to six decimal places: 0.046145 = 4.6145%

5 0
2 years ago
I need help, help me plz !!!!! Match the verbal expression (term) with its algebraic expression (definition). Match Term Definit
Talja [164]

Answer:

Four less than an unknown value E) y-4

Quotient of a variable and four B) \frac{z}{4}

Some number to the power of four A) a^4

Four times an unknown value D) 4x

Four more than some number C) b+4

Step-by-step explanation:

Let's analyze each statement separately:

- Four less than an unknown value --> this means that we have to subtract 4 to an unknown value. Calling y the unknown value, it means we have to write

y-4

- Quotient of a variable and four --> this means we have to divide a variable by 4. Calling z the unknown variabl, it means we have to write

\frac{z}{4}

- Some number to the power of four --> this means that we have to write the power of a number, in the form a^m, where m in this case is equal to 4. Calling a the unknown number, it means we have to write

a^4

- Four times an unknown value --> this means that we have to multiply an unknown value by 4. Calling x our unknown values, we have to write

4x

- Four more than some number --> this means we have to add 4 to an unknown number. Calling b the unknown number, it means we have to write

b+4

7 0
2 years ago
Read 2 more answers
D divided bye 1.4=2.3 what is d
kati45 [8]
Multiply 2.3 by 1.4= D
4 0
3 years ago
Read 2 more answers
What is 21/56 simplified
lozanna [386]
21=3\cdot7\\56=8\cdot7\\\\\frac{21}{56}=\frac{3\cdot\not7^1}{8\cdot\not7_1}=\boxed{\frac{3}{8}}
3 0
3 years ago
Read 2 more answers
How do you solve this in standard form. y=7x-4
attashe74 [19]
Y = 2/7x - 4
y + 4 = 2/7x
4 = 2/7x - y (multiply everything by seven to get rid of the fraction)
28 = 2x - 7y
2x - 7y = 28
8 0
3 years ago
Other questions:
  • 25+5 Times blank equals 35
    13·1 answer
  • Make a the subject of:<br> v = u + at
    12·1 answer
  • What are the roots of the polynomial equation x^3 -6x=3x^2-8? Use a graphing calculator and a system of equations.
    9·2 answers
  • Ill records the wins and losses for his high school basketball team each year. He notices that the ratio of wins to losses has b
    13·2 answers
  • Debbie and Amy begin reading a book on the same day Debbie read nine pages a day and is on page 72 Amy read six pages a the day
    12·2 answers
  • 3. Mrs. Noah’s bill, before tax, is $50. The sales tax rate is 3%. Mrs. Noah decides to leave a 2% tip for the gate keeper based
    9·1 answer
  • Factor and solve pretty please help me
    6·2 answers
  • Yeah. I need help with this
    5·2 answers
  • 1/3x + y = 6<br> -x - 2y = -9 <br><br> Using elimination
    12·1 answer
  • Math question! please help
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!