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
klio [65]
3 years ago
5

Find the value of the variable such that: the value of 5−a is 20 greater than the value of 6a−1

Mathematics
1 answer:
vovangra [49]3 years ago
4 0

Answer:

-2

Step-by-step explanation:

(5 - a) = 20 + (6a -1) . . . . . 5-a is 20 greater than 6a-1

5 = 7a +19 . . . . . . . . . . . . . add a, collect terms

-14 = 7a . . . . . . . . . . . . . . . subtract 19

-2 = a . . . . . . . . . . . . . . . . divide by 7

The value of the variable is -2.

_____

<u>Check</u>

5 - (-2) = 7

6(-2) -1 = -13

7 is 20 greater than -13, so the answer checks OK.

You might be interested in
The relationship between two numbers is described below, where x represents the first number and y represents the second number.
Daniel [21]

X=y+16

4y-1=7

Solve on both sides

4y=8

Y=8/2

Y=4

X= (4)+16

X=20

5 0
3 years ago
A family goes out to eat. The meal costs $44. The sales tax rate is 9%. They leave a 20% tip. How much did they spend?
REY [17]

Answer:

$56.76

Step-by-step explanation:

$56.76 because 20% of 44 is 8.80 which is the tip and 9% of 44 is 3.96 which is the tax rate giving you an answer of $56.76. Hope this helps!

6 0
3 years ago
How to find the zeros of f(x)=5(2x-5)(5x+4)
Elenna [48]
If xy=0 we assume x and y equal 0

so

the zeros are wehre f(x)=0
0=5(2x-5)(5x+4)
set each to zero
5 is not equal 0 so we don't do that

0=2x-5
5=2x
5/2=x

0=5x+4
-4=5x
-4/5=x

zeroes at x=5/2 and -4/5
3 0
2 years ago
Read 2 more answers
1. The table shows the relationship between y, the cost to rent a bicycle, and x, the amount of time the bicycle is rented in ho
Arlecino [84]

Answer:

I am not really sure what the question is But it is a slope

Step-by-step explanation:

5 0
3 years ago
Suppose the half-life of a certain radioactive substance is 12 days. Find the time when there will be 20% of the initial substan
vazorg [7]

Answer: 2.4% I think

12 x 20 / 100 = 2.4%

7 0
3 years ago
Other questions:
  • Nora is running a race that is 26.2 miles. She is running at a speed of 8 miles per hour. She has completed 3/4 of the race. How
    9·1 answer
  • HELPPPPPPP please and include work
    12·1 answer
  • Carly got her haircut for $45.60 she wants to tip her hair dresser 15% what is her total paid?
    12·1 answer
  • John is selling tickets to an event. Attendees can either buy a general admission ticket, x, or a VIP ticket, y. The general adm
    9·1 answer
  • Simplify the expression.
    14·1 answer
  • Which situation represents a multiplicative relationship? A) Kevin is 8 years older than his brother Sean. B) For every cat at t
    11·1 answer
  • ΔXYZ was reflected to form ΔLMN. Which statements are true regarding the diagram? Check all that apply. ΔXYZ ≅ ΔLMN ∠Y ≅ ∠M ∠X ≅
    8·2 answers
  • The calculated average of a data set best describes which of the following? (4 points) Group of answer choices Mean Median Mode
    14·1 answer
  • The ratio of chocolate to caramel in the candy jar is 4:1. If there are 15 caramels in the candy
    6·2 answers
  • Kimberly went 5 miles after walking for 2 hours. If Kimberly's rate of travel st
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!