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
Svetach [21]
3 years ago
7

Copy and complete: b 7:8:9=__:12:_

Mathematics
1 answer:
kotykmax [81]3 years ago
7 0

Answer:

10.5 : 12  : 13.5

Step-by-step explanation:

7:8:9

We need to get 8 to 12

12/8 = 3/2

We need to multiply each number by 3/2

7 * 3/2:8* 3/2  :9*3/2

21/2  : 12  : 27/2

10.5 : 12  : 13.5

You might be interested in
A 99 ft length of wire is to be cut into 2 pieces, so that the longer piece is eight feet longer than six times the shorter piec
Serhud [2]

here's the solution,

let the length of shorter peice = x

then the lenght of longer peice = 6x + 8

now, we know that the sum of length of peices measures 99 feet,

So,

=》x + 6x + 8 = 99

=》7x = 91

=》x = 13

shorter piece length = 13 feet

longer peice length = 13 × 6 + 8 = 78 + 8 = 86 feet

5 0
3 years ago
Which which value is not located between square root 9/3 2n
tangare [24]

3 and -3 are said to be the square roots of 9. A square root is written with a radical symbol √ and the number or expression inside the radical symbol, below denoted a, is called the radicand. ... Negative numbers don't have real square roots since a square is either positive or 0.

7 0
3 years ago
Aunt Mary drove 325 miles to visit her nephew for thanksgiving. It took her 5 hours to drive from her to her nephew’s house What
Dima020 [189]

\text{We know that Aunt Mary drove 325 miles}\\\\\text{We also know this took her 5 hours}\\\\\text{We need to find how fast she was going, in miles per hour}\\\\\text{To do this, divide 325 by 5 to see how much she drove in 1 hour}\\\\325\div5=65\\\\\text{This means that she was going 65 mph}\\\\\boxed{\text{65 mph}}

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to 12x12x12x12x12x12x12x12x12x12x12
Alika [10]

Answer:

743008370688? or the 12¹¹

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The bake sale only sold two items. Cookies cost $2 and mini pies cost $5. Josie bought twice
Vlad [161]

she bought 11 cookies and 1 mince pie

3 0
2 years ago
Read 2 more answers
Other questions:
  • Rationalize the denominator of 5/√3+root 2
    14·1 answer
  • A triangle with sides 7.5, 10, and 12.5 is a right triangle.
    12·1 answer
  • What is the product of 2x + y and 5x – y + 3?
    12·2 answers
  • 16. You want to decorate around the top of a jar with ribbon. The length around the jar is
    6·1 answer
  • There are 15 fewer runners on varsity track than junior varsity track. If there are 41 runners on junior varsity track, how many
    9·1 answer
  • You and six friends go to the movies. Your friend carter collects the money. How much do each of you give carter?
    5·2 answers
  • The perimeter of a rectangle is 28.8 centimeters. The length of the rectangle is twice as long as it’s with. Find the length and
    14·2 answers
  • I need help with number 9.<br> simple algebra.
    5·1 answer
  • 6 less than the product of 5 and a number <br> A. 5-6n<br> B. 6+5n<br> C. 5(n - 6)<br> D. 5n-6
    7·2 answers
  • Please solve number 13 and 14
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!