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
Stells [14]
3 years ago
13

2x + 5 (-5x-13) =142

Mathematics
2 answers:
julia-pushkina [17]3 years ago
8 0

Answer:

x = -9

Step-by-step explanation:

dezoksy [38]3 years ago
6 0
Answer: x=-9
explanation: 2x+5(-5x-13)=142
2x-25x-65=142
-23x-65=142
-23x=142+65
-23x/-23x=207/-23x
x=-9
You might be interested in
I really need help plzzzzz​
Marianna [84]

Answer:

  • All similar, see below

Step-by-step explanation:

Q1

<u>Angles</u>

  • 26° & 64° & 90°
  • AA similarity

Q2

<u>Ratios of corresponding sides:</u>

  • 6/8 = 9/12 = 12/16 ⇒ 3/4
  • SSS similarity

Q3

<u>Angle C is vertical</u>

  • ∠ACB ≅ ∠DCE

<u>Ratios of corresponding sides:</u>

  • 9/15 = 18/30 ⇒ 3/5
  • SAS similarity
6 0
3 years ago
Every evening Jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she
Sergeeva-Olga [200]
A) .10 d + .25 q = 7.75
B) d + q = 40

Multiplying B) by -.10
B)  -.10d -.10q = -4.0
Then adding this to A)
A) .10 d + .25 q = 7.75
.15q = 3.75

Quarters = 25
Therefore, dimes = 15
***************************************************
Double-Check
A) .10 d + .25 q = 7.75
A) .10 * 15 d + .25 * 25 = 7.75
A) 1.50 + 6.25 = 7.75

Correct!!


6 0
3 years ago
How can the coordinate plane be used to represent geometrical figures
Artemon [7]
Because there are points and you can make a shape
5 0
3 years ago
Read 2 more answers
What is (2,5.4) across the y axis/reflected?
Luda [366]
Answer: (2,-5.4)
When I reflect across the y axis I keep the sign of x the same but change the sign of y
For example: (1,2)=(1,-2)
6 0
3 years ago
Read 2 more answers
In the diagram below
svetlana [45]

Answer:

Step-by-step explanation:

Given RT bisects QTS, so

3x+9 = 5x-3

9+3 = 5x-3x

2x = 12

x = 6

Check:

3(6) + 9 = 27

5(6)-3 = 27

checks

3 0
4 years ago
Other questions:
  • A recursive rule for a geometric sequence is a1=4/9;an=3an−1. What is the explicit rule for this sequence?
    12·2 answers
  • Jill is playing cards with her friend when she draws a card from a
    9·1 answer
  • Help me please !!!!!!
    9·1 answer
  • State the numbers which would round to 50<br><br>48 56 51 43 59 52 45 55​
    6·1 answer
  • Which graph represents the solution to 2<br> 3x+1?
    6·1 answer
  • Solve the system of linear equations.<br> x = 8 - 2y<br> x + 3y = 12
    9·1 answer
  • Sweet T has 2 orange picks for every 5 green. If there are 12 picks in all how many picks are orange
    10·1 answer
  • (2x/x+3)+(x+3/x-5) in simplest form
    6·1 answer
  • Name the Property of Equality that justifies the statement:
    13·1 answer
  • Ill mark brainlest need help asap
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!