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
frosja888 [35]
2 years ago
15

Write each of the following expressions without using absolute value. |z−7|−|z−9|, if z<7

Mathematics
1 answer:
Katen [24]2 years ago
3 0

Answer:

-2

Step-by-step explanation:

z - 7 ≥ 0

z ≥ 7

| z - 7 | = z - 7, z ≥ 7

| z - 7 | = -z + 7, z < 7

z - 9 ≥ 0

z ≥ 9

| z - 9 | = z - 9, z ≥ 9

| z - 9 | = -z + 9, z < 9

| z - 7 | = -z + 7

| z - 9 | = -z + 9

|z - 7| - |z - 9|

-z + 7 - (-z + 9)

-z + 7 + z - 9

= -2

You might be interested in
What is a verbal expression for 2m
avanturin [10]
The verbal expression for 2m is two meters
7 0
3 years ago
Pamela drove her car 999999 kilometers and used 999 liters of fuel. She wants to know how many kilometers (k) right parenthesis
Sever21 [200]

Answer: Hello, Here you Answer......

132 km

Given that the relationship between kilometers and fuel is proportional, let the distance in km be k and the fuel be f:

thus:

kα cf

k=cf

where k is the constant of proportionality. Thus:

c=k/f

Pamela drove 99 km and used 9 liters;

∴k=99/9=11 km/liter

therefore distance covered is given by:

k=11f

hence the distance covered with 12 liters of fuel will be:

k=11×12

=132 km  Hope this helps! (Brainly)♥

7 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 60. Find x.
lbvjy [14]

Answer:

Perimeter of a triangle = add all sides

Both the legs of the isosceles triangle are always EQUAL.

x+4x-6+4x-6 = 60

9x-12 = 60

9x = 60+12

9x = 72

x = 8

3 0
2 years ago
Adam buys a car for £15060 which depreciates in value at a rate of 1.5 per year. Work out how much Adam's car will be worth in 9
Step2247 [10]

Answer: £13026.90

Step-by-step explanation:

1.5% of £15060 = 225.90

225.90 x 9 = 2033.10

15060 - 2033.10 = 13026.90

hope this helps ;)

4 0
3 years ago
Read 2 more answers
What is the formula that relates circumference and radius?
cestrela7 [59]
B is the correct answer choice I know it
6 0
3 years ago
Other questions:
  • What percent of 400 is 20?
    9·2 answers
  • A passenger plane travels at about 7.62 x 10^2 feet per second. The plane takes 1.23 x 10^4 seconds to reach its destination. Ab
    14·1 answer
  • How to solve this math problem 50.2 ÷ 10? ​
    6·2 answers
  • The number of pages read varies directly as the number of minutes. If you can read 20 pages in 45 minutes,have many pages can yo
    12·1 answer
  • What are the amplitude, period, and phase shift of the given function?<br> f(t)= -1/2 sin (3t-2π)
    5·1 answer
  • Find the equation of the median shown:
    14·1 answer
  • What is the difference between -120 and 400?
    7·1 answer
  • Helppppppppppppp ASAP
    14·1 answer
  • :( pls helppp its due in 14 minutess
    13·2 answers
  • Solve the following for y:<br> p(t + 4) = 2y
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!