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
iris [78.8K]
3 years ago
9

Solve the equation 10r – 2 = 28 for r.

Mathematics
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

r=3

Step-by-step explanation:

First we add 2 to both sides.

That leaves us with 10r=30

Then we can divide both sides by 10

r=3

You might be interested in
How do you approximate a square root to the nearest tenth?
adell [148]
You would get the answer of the square root and round the answer to one decimal place, which is the tenth
3 0
3 years ago
the ratio of 3 numbers is 2:3:4.the largest number is 10 more than the smallest. what is the middle number
MissTica
See, pls, the offered decision:
1. this ratio has another form: 2x/3x/4x;
2. the difference between the largest and the smallest is 4x-2x=10.
Then x=5, and the sequence of numbers is 10/15/20, where 15 is the middle number.
Answer: 15.
3 0
3 years ago
A piece of fabric shaped as a trapezoid has a
Grace [21]

Answer:

Area of the fabric = 175 square inches

Step-by-step explanation:

Area of a trapezoid = (b1 + b2)/2 * h

Where,

b1 = 16 inches

b2 = 9 inches

h = 14 inches

Area of a trapezoid = (b1 + b2)/2 * h

= (16 + 9)/2 * 14

= 25/2 * 14

= 12.5 * 14

= 175 square inches

Area of the fabric = 175 square inches

4 0
3 years ago
¿Qué propiedad justifica que 4+ [6 + (-2)] = [4 +6] +(-2)?​
hammer [34]

Answer:

addition is commutative. 4+(6+(-2)=8 whiles

Step-by-step explanation:

4+6-2=8

5 0
2 years ago
In the right triangle shown, Angle A = 30° and AC = 18.
Komok [63]

Answer:

48

Step-by-step explanation:

Angle A plus AC and that adds up too 48

8 0
3 years ago
Other questions:
  • The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 F
    6·1 answer
  • The measure of one of the acute angles in a right triangle is given. find the measure of the other acute angle
    6·1 answer
  • The product of 5 and a number x is 14 . What is the value of x?<br> 19/4<br> 1/20<br> 5/4<br> 4 3/4
    10·1 answer
  • What number can go into 68 and 100
    7·1 answer
  • Help I need this answer like yesterday. Will mark brainliest​
    11·1 answer
  • Find the domain and range for the following functions:
    11·1 answer
  • Which of the following best describes the expression 4(y + 6)?
    10·1 answer
  • One of the solutions to x2 − 2x − 15 = 0 is x = −3. What is the other solution?
    13·1 answer
  • Which equation represents a tangent function with a domain of all Real numbers such that x is not equal to pi over 2 plus pi tim
    5·1 answer
  • What values do x and y have if |x|= 16, |y|= 16, and when does x and y are combined they equal 0? Explain your reasoni.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!