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
Phantasy [73]
3 years ago
6

9. If the area of a rectangle measures 20 square inches, the side lengths

Mathematics
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

True

Step-by-step explanation:

The given statement is true.

Area of a rectangle is length times width.

A rectangle with the side length of 4 and 5 inches would have an area of 20 square inches.

A=l*w\\\\A=4*5\\\\A=20

Hope this helps.

You might be interested in
Paul bought a photo frame which measured 10 inches in length and 8 inches in width. Determine the diagonal length of the photo f
Katyanochek1 [597]

Answer:

≈12.8

Step-by-step explanation:

hope this helps

7 0
2 years ago
Read 2 more answers
What is the slope if you have (2,1) and (4,4)?<br><br><br>*Ineed this quickly as possible!-Thx
Schach [20]

(\stackrel{x_1}{2}~,~\stackrel{y_1}{1})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{4}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{1}}}{\underset{run} {\underset{x_2}{4}-\underset{x_1}{2}}}\implies \cfrac{3}{2}

7 0
2 years ago
Read 2 more answers
Can someone help me with these 2 questions?
Karo-lina-s [1.5K]
4x + 25 + x - 15
5x + 10 
/ 5    / 5

x = 2

Refer Back To The First Problem To Solve The Second One, You Are Doing Great!
7 0
3 years ago
NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h ( t ) = − 4.
Aleks [24]

Answer:

A.) 24.08 seconds

B.) 825.42 metres

Step-by-step explanation:

function of time is given as

h ( t ) = − 4.9 t 2 + 118 t + 115 .

Where a = -4.9, b = 118, c = 115

Let's assume that the trajectory of the rocket is a perfect parabola.

The time t the rocket will reach its maximum height will be at the symmetry of the parabola.

t = -b/2a

Substitute b and a into the formula

t = -118/-2(4.9)

t = 118/9.8

t = 12.041 seconds

Since NASA launches the rocket at t = 0 seconds, the time it will splash down into the ocean will be 2t.

2t = 2 × 12.041 = 24.08 seconds

Therefore, the rocket splashes down after 24.08 seconds.

B.) At maximum height, time t = 12.041s

Substitute t for 12.041 in the function

h ( t ) = − 4.9 t 2 + 118 t + 115

h(t) = -4.9(12.041)^2 + 118(12.041) + 115

h(t) = -4.9(144.98) + 118(12.041) + 115

h(t) = -710.402 + 1420.82 + 115

h(t) = 825.42 metres

Therefore, the rocket get to the peak at 825.42 metres

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7B%7D%5E%7B2%7D%20-%204%20%7D%7B%20%5Csqrt%7Bx%20%7B%7D%5E%7B2%7D%20-%206x%2
Nimfa-mama [501]

First of all, we can observe that

x^2-6x+9 = (x-3)^2

So the expression becomes

\dfrac{x^2-4}{\sqrt{(x-3)^2}} = \dfrac{x^2-4}{|x-3|}

This means that the expression is defined for every x\neq 3

Now, since the denominator is always positive (when it exists), the fraction can only be positive if the denominator is also positive: we must ask

x^2-4 \geq 0 \iff x\leq -2 \lor x\geq 2

Since we can't accept 3 as an answer, the actual solution set is

(-\infty,-2] \cup [2,3) \cup (3,\infty)

7 0
3 years ago
Other questions:
  • Simplify negative 15.5 divided by 5.
    13·2 answers
  • Which shows a correct order to solve this story problem? The Diva Clothing Factory used 149.4 yards of fabric in 3 days. It used
    8·1 answer
  • wo positive integers are 3 units apart on a number line. Their product is 108. Which equation can be used to solve for m, the gr
    11·2 answers
  • In a particular game, a spinner with four equally-sized sectors labeled 1, 4, 6, and 8 is spun twice. One turn is considered 2 s
    14·2 answers
  • In the recipe,3/4 cup of white sugar makes 8 slices of pie .if you want 48 slices of pie, how much white sugar do you need
    10·1 answer
  • Which of the following are measurements of the sides of a right triangle?
    7·2 answers
  • Find area of the shape
    8·1 answer
  • The ferris wheel first appeared at the 1893
    12·1 answer
  • URGENT kaser needs $155 to pay for a new mouth piece for her saxophone she has $35 already and save $15 a week that she earns wa
    13·1 answer
  • Factor the expression 40x-80y+40z
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!