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
Citrus2011 [14]
3 years ago
14

Solve. a-5/a+4=5/4 a=0 a=-1 a=-9 a=-40

Mathematics
1 answer:
yaroslaw [1]3 years ago
6 0

Answer:

-1

Step-by-step explanation:

hzhsuxbsjsisnduxidnwhdicjdbe

You might be interested in
Can someone pls help me . Thank you .
Pavel [41]
Answer:
1). 24
2). 8

Explanation:
1).

285$ - 45$ = 240$
240$/10 = 24$

Therefore, he pays 24$ a month.

2).
Let x be the number than triple:

3x - 5 = 19
3x = 19 + 5
3x = 24
x = 24/3
x = 8
5 0
3 years ago
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

\sigma=4 minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

The level of significance \alpha= 0.05 for 95% level of significance

For 95% confidence interval z_{\frac{\alpha}{2}}=1.96 from standard deviation table

Sample size required, n

n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984

Rounding off, n=40

Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

3 0
4 years ago
HELP WILL GIVE BRAIN!!!
postnew [5]

Answer:

8/5

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The following dotplot shows the number of strokes taken by 20 professional golfers competing at an 18-hole golf course.B? or E?
Savatey [412]

Answer:

Continuous

Step-by-step explanation:

The numbers do not follow a pattern In golf in order for them to be Categorical they must follow a pattern in which the numbers follow the same path or course these numbers do not.

4 0
3 years ago
Read 2 more answers
Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (
Serga [27]
If you plug in 4 to each x then add all values together you will have the perimeter.

3(4)-4= 8

4^2 -1=15

2(4)^2-15=17

8+15+17= 40

The perimeter of the triangle is 40 feet
3 0
3 years ago
Other questions:
  • Shane is goin to the movies with his friends.His mom give them $15.00 to spend on snacks. Drinks cost $2.00 each and candy cost
    12·1 answer
  • What is the slope of the line?
    12·2 answers
  • A fire hydrant is composed of three cylinders, as shown below. All measurements show the inside diameters and lengths. What volu
    6·1 answer
  • The Roman cubitus is an ancient unit of measure equivalent to about 0.445 m. Convert the 2.00-m height of a basketball forward t
    5·1 answer
  • Write a polynomial that represents the area of the square.
    11·2 answers
  • Because of an accident Royce was involved in, his insurance company has increased his annual premium for auto insurance
    13·1 answer
  • Which type of triangle will always have at least 1-fold reflectional symmetry
    9·1 answer
  • Please I need the answer according to steps
    13·1 answer
  • Put your he following numbers in order from least to greatest. -3.2, 1, 2.5, -1/2, -2.9
    14·2 answers
  • What is the value of x?<br><br> Enter your answer in the box.<br><br> x =
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!