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Inessa [10]
3 years ago
10

The difference between 9 and twice a number x

Mathematics
1 answer:
qwelly [4]3 years ago
7 0

9-2x

-Difference means subtract (9- ... )

-Twice means multiply (X)

-Twice a number x is (2x)

-You are multiplying 2 and x (2x)

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Parallel line angles (transformation) prove it
Step2247 [10]

Transversal line :

A transversal line is one that crosses two or more lines at different points.

Transversal Properties :

  • Each pair of corresponding angles when a transversal cuts two parallel lines are equal in size.
  • Each pair of alternate interior angles created by a transversal when two parallel lines are cut are equal.
  • If two parallel lines are cut by a transversal, then each pair of interior angles on the same side of the transversal are supplementary, i.e. they add up to 180 degrees

    Each pair of corresponding angles when a transversal intersects two parallel lines is equal. Thus,

∠1 = ∠6

∠4 = ∠8

∠2 = ∠5

∠3 = ∠7  

Each alternate interior angle pair is equal if a transversal intersects two parallel lines.

∠4 = ∠5

∠3 = ∠6

Hence, proved..

Learn more about transversal here:

brainly.com/question/17987539

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8 0
1 year ago
An online furniture store sells chairs for $150 each and tables for $600 each. Every day, the store can ship a maximum of 18 pie
EleoNora [17]

Answer:

13,500

Step-by-step explanation:

x + y = 750

750 x 18 = 13.500

3 0
2 years ago
DUE TODAY SOMEONE HELP ME!!!!!!!!! When solving an equation with an exponent that is a variable can I ONLY distribute the number
DIA [1.3K]

Answer:

<em>Option C</em>

Step-by-step explanation:

If we were to consider this question as a whole, all we are being asked is to find an expression equivalent to 2 * ( 5 )^x, as all other function are expressed in the same f ( x ) format. Now all we have to thing about are the expression that = 2 * ( 5 )^2x;

2( 5 )^2x =\\2( 5^2 )^x =\\2( 25 )^x\\\\Solution - Option C

Hope that helps!

8 0
3 years ago
Write an expression for the words - Divide 10 by 4 and then subtract 6.2
prohojiy [21]
(10/4) - 6.2 

10 divided by 4, do that first because it's in the parenthesis, then subtract 6.2 from it.
6 0
3 years ago
Read 2 more answers
The 4th term in a geometric sequence is -15, the 5th term is 45 and the 6th term is -135. Find the sum of the first 7 terms.
Andreas93 [3]

Answer:

d) 303 8/9

Step-by-step explanation:

4th term = ar^3  and 5th = ar^4   where a = first term and r = common ratio.

So ar^4 / ar^3

= r = 45/-15 = -3.

Working back,:

The first term a = ar^3/ r^3

= -15 / (-3)^3

= -15/-27

= 5/9

Sum of n terms = a * (r^n - 1)/(r-1)

= 5/9 * ((-3)^7 - 1 ) / (-3 -1)

= 303 8/9

3 0
2 years ago
Read 2 more answers
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