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
11111nata11111 [884]
2 years ago
10

Need help ASAP Will mark u brainlyest

Mathematics
1 answer:
balandron [24]2 years ago
4 0
Step 2 is wrong: 4x - x = 5x
X = -11 is the actual answer, pretty sure.
Hope this helps and please mark as brainliest. If you have any other doubts, feel free to ask.
You might be interested in
What is the angle measure of an arc bounding sector with an area of 5pie square miles?
Snowcat [4.5K]

if the diameter is 20, the its radius must be half that or 10.

\textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ A=5\pi \\ r=10 \end{cases}\implies \begin{array}{llll} 5\pi =\cfrac{\theta \pi (10)^2}{360}\implies 5\pi =\cfrac{5\pi \theta }{18} \\\\\\ \cfrac{5\pi }{5\pi }=\cfrac{\theta }{18}\implies 1=\cfrac{\theta }{18}\implies 18=\theta \end{array}

8 0
2 years ago
12. (07.06 LC) A library building is in the shape of a rectangle. Its floor has a length of (3x + 5) meters and a width of (5x −
Goshia [24]

ANSWER

15 {x}^{2} + 22x - 5

EXPLANATION

It was given that, the length of the rectangular building is

(3x + 5) \: meters

and the width of the is

(5x - 1) \: meters

The area of a rectangular building is calculated using the formula for finding the area of a rectangle.

A = l \times w

Since the dimensions are given in terms of x, the area is also a function of x,

A(x) = (3x +5 )(5x - 1)

We expand to get,

A(x) = 3x(5x - 1) + 5(5x - 1)

A(x) = 15 {x}^{2}  - 3x + 25x - 5

A(x) = 15 {x}^{2} + 22x - 5

meters square

8 0
3 years ago
In how many ways can a committee of 8 sit in a row if the chairman occupies the middle seat?? ​
Rainbow [258]
They can all sit beside the chairman
5 0
2 years ago
What is the answer to y=3/4x+2 ???
pantera1 [17]
The answer is X=8/3
7 0
2 years ago
A null hypothesis is being tested. How does the confidence level affect the testing process?
xxTIMURxx [149]
<span>If you have a high confidence level, the chance of rejecting the null hypothesis is rare. If you have a low confidence level, the chance of of rejecting the null hypothesis is nonexistent. If you have a low confidence level, the chance of of rejecting the null hypothesis is rare. If you have a high confidence level, the chance of of rejecting the null hypothesis is high.</span>
5 0
3 years ago
Other questions:
  • Solve 9/11 + 3/13 × 26/33 - (21/121÷ 71/111)
    7·1 answer
  • Who was the inventor of calculus?
    15·2 answers
  • URGENT!!! Which is a y-intercept of the graphed function?
    12·2 answers
  • Anyone know this plzz
    9·1 answer
  • Graph the equations to solve the system. y=2x-5 1/2y=x-5/2
    11·1 answer
  • For 2 sweaters for that price what percent discount is that?
    13·1 answer
  • PLEASE HELP WILL GIVE BRAINLIEST
    13·2 answers
  • Solve the following inequality for X <br> -7.3x &lt; -21.9x + 73
    11·1 answer
  • PLEASE HELP ME ASAP 15 POINTS
    10·1 answer
  • What is the slope of the line that passes through the points (-9, -7) and<br> (-11, 6)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!