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
Morgarella [4.7K]
3 years ago
15

????????????????HELP

Mathematics
1 answer:
Dima020 [189]3 years ago
3 0
The answer is A.

Remember that distributing is a(b+c)= ab+ac
3(r-2)=
3*r + 3*-2=
3r-6

Final answer: A

You might be interested in
HELP I REALLY NEED AN ANSWER WILL GIVE BRAINLIEST IF I CANNNNN
dmitriy555 [2]

Answer:

62

Step-by-step explanation:

6 0
2 years ago
Solve by completing the square. Round<br> x^2-4x=5
Novosadov [1.4K]

Answer: -1 and 5.

Step-by-step explanation:

x - 4x = 5 : Move the constant to the left.

x^2 - 4x - 5 = 0 : Rewrite the expression.

x^2 + x - 5x - 5 = 0 : Factor the expressions.

x(x+1) - 5(x+1) = 0 : Factor the expression.

(x+1)(x-5) = 0 : Seperate into possible cases.

x + 1 = 0, x - 5 = 0 : Solve the equations.

x = -1, x = 5 : The equation has 2 solutions.

8 0
2 years ago
Ester sarai and kurry chose a number esters number is 1/10 of saris kurrys number is 10 times as much as sarais sarais number is
Tom [10]

Ester, Sarai, and Kurry each selected a number: 0.009, 0.09, and 0.9, respectively.

One of the four fundamental mathematical operations, along with addition, subtraction, and division, is multiplication. Multiply in mathematics refers to the continual addition of sets of identical sizes. For instance, 3+3+3+3+3 can be expressed as 3 5.

the ester's number is equal to one-tenth of the Sarai number.

= 1 / 10 × 0.09 = 0.009

to determine Kurry's number, multiply Sarai's number by 10

= 10 × 0.09 = 0.9

Therefore, it can be inferred that Kurry chose 0.9, Ester chose 0.009, and Sarai chose 0.09.

To know more about Multiplication, refer to this link:

brainly.com/question/10873737

#SPJ4

3 0
1 year ago
Eamon is arranging 39 books on 3 shelves. If he puts the same number of books on each shelf, how many books will there be on eac
blagie [28]
39 times 3 = 117. Hope this helps
7 0
3 years ago
I REALLY NEED HELP I FORGOT HOW TO DO THIS :(
Elena-2011 [213]

Answer:

117.8

Step-by-step explanation:

i used heron's formula

√s(s-a)(s-b)(s-c)

s= (20+16+33)/2 = 34.5

√34.5(34.5-20)(34.5-16)(34.5-33)

= 117.8

3 0
2 years ago
Other questions:
  • Brett has a box of sport cards. The box has 12 soccer cards, 15 baseball cards, 5 boxing cards, and 10 basketball cards. What is
    8·1 answer
  • A circle has radius of 18 cm. Find the area of the smaller of the two regions determined by a chord with length of 18√2 cm . Hin
    7·2 answers
  • What is the measure of ABC?​
    10·1 answer
  • Help me quick please?!
    11·2 answers
  • The volume, Q, of a sound is inversely proportional to the square of the distance n, in meters, from the source of the sound. A
    10·1 answer
  • What is the size of a plane
    8·2 answers
  • Which expression is equivalent to -1/3(6x+15) - 3?
    15·2 answers
  • The three straight paths, AB,BC,AC, meet each other at three points, A,B, and C. How do these points of intersection differ from
    5·1 answer
  • What problems would you encounter if the ladder were too short or too long?
    13·1 answer
  • Marking brainlest if done in 5 mins
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!