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
bija089 [108]
3 years ago
7

The area of a rectangle is 70 yd^(2) and the length of the rectangle is 11 yd less than three times the width. find the dimensio

ns of the rectangle

Mathematics
2 answers:
Orlov [11]3 years ago
4 0
Pretty sure this is the answer, hope this helps :')

Vikki [24]3 years ago
3 0
◆ AREA OF 2-D FIGURES ◆

let \: the \: length \: of \: rectangle \: be \: l  \: yd\:  \\  \\ and \: width \: of \: rectangle \: be \: b  \: yd\\  \\ now \: , \: its \: given \: that \: , \\  \\ length \: of \: rectangle \: is \: 11 \: yd  \\ \: less \: than \: 3 \: times \: the \: width \: , \\  \\ l = 3b - 11 \:  \:  \:  \\  \\ area \: of \: rectangle \: = length \times width \\  \\ 70 = (3b - 11) \times b \\  \\ 3 {b}^{2}  - 11b - 70 = 0 \\  \\ 3 {b}^{2}  - 21b + 10b - 70 = 0 \\  \\ 3b(b - 7) + 10(b - 7) = 0 \\  \\ (3b + 10)(b - 7) = 0 \\  \\ solving \: , \: we \: get \: , \\ b =  \frac{ - 10}{3}  \:  \:  \:  \: or \:  \:  \: b = 7 \\  \\ side \: of \: any \: shape \: can \: not \: be \: negative \: , \\  \\ therefore \: , \\  \\ width \:  = 7 \: yd  \:  \:  \:  \:  ans.\\  \\ length \:  = 10 \: yd \:  \:  \: ans.
You might be interested in
Determine if the set is well defined or not well defined.<br> The set of U.S. cities
Kisachek [45]

Answer:

Well-defined

Step-by-step explanation:

Because it clearly refers to the cities in the U.S.

7 0
2 years ago
“Write five sentences about proportional relationships”
ivolga24 [154]

Answer:

Now, we’re going to consider an example of proportional relationship in our everyday life: When we put gas in our car, there is a relationship between the number of gallons of fuel that we put in the tank and the amount of money we will have to pay. In other words, the more gas we put in, the more money we’ll pay.

Step-by-step explanation:

hope this helps

7 0
2 years ago
Read 2 more answers
A bus travels 90 km in 1.5 hours (with a constant speed). How far can it travel in 7.2 hours (with the same speed)?​
blondinia [14]

Answer:

distance=90km

time=1.5h

speed of the bus=distance /time

speed of the bus=90km/1.5h

speed of the bus=60km/h

therefore if 1.5h=60km/h

then 7.2h=(7.2x60)/1.5 =288km

5 0
2 years ago
A conditional relative frequency table is generated by row from a set of data. The conditional relative frequencies of the two c
Gre4nikov [31]
The right answer for the question that is being asked and shown above is that: "D.) There is likely an association between the categorical variables because the relative frequencies are both close to 0.50." Given that a relative frequencies of 0.48 and 0.52, there will be an association between the categorical variables.<span>
</span>
4 0
3 years ago
Read 2 more answers
Add<br>3×+8y-12zand5x-7y+15z<br>help meee<br>​
inn [45]

3x+5x+12z+15z+8y+7y

8x+17z+15y

4 0
2 years ago
Other questions:
  • PLZ HELP ASAP SOLID GEOMETRY WORD PROBLEMS
    6·2 answers
  • Order numbers from greatest to least:3.01,3.10,0.31,and 0.13
    15·2 answers
  • Write the equation of the line that passes through the points (3,7) and (-1,2) in point-slope form and slope-intercept form. I a
    15·1 answer
  • What is the shape of a cross section formed by a slice that is parallel to the base of a triangular pyramid?
    5·1 answer
  • Is 9.777..... a whole number, integer,rational number, irrational number, real number.
    6·1 answer
  • Solve for x in the equation x + 10 = 15. A. x = −5 B. x = 25 C. x = 10 D. x = 5
    9·2 answers
  • What is the future value of $4000 earning 18% interest, compounded monthly, for 6 years? (Round your answer to two decimal place
    8·2 answers
  • What is the measure of missing angle indicated?
    11·1 answer
  • Which of the following pairs shows triangles that are similar but not congruent?
    10·1 answer
  • The Grand Old Duke of York had 10 000 men. He lost 10% of them on way to the top of
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!