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
sleet_krkn [62]
2 years ago
8

For each expression, write an equivalent expression that only uses addition a. 20 - 9 + 8 -7 b. 4x - 7y - 5z + 6 c. -3x - 8y - 4

- 8/7z
Mathematics
1 answer:
Genrish500 [490]2 years ago
3 0

Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

c. (-3x) + (-8y) +(-4)+(-8/7z)

Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

You might be interested in
Brent has a $400 console with a credit card that has 25% APR is minimum payment is $10 per month will he pay more and less than
Afina-wow [57]

Answer:

he will pay more

Step-by-step explanation:

in totoal he will pay 413.40 because apr is interest

his interest total will be 13.40$

3 0
2 years ago
PLS HELP ME !!!!<br> The last one is (x+2)^2 + (y-1) ^2 = 12
ladessa [460]

Answer:

its the first one or the last one

Step-by-step explanation:

i got the same thing on the graph sry

7 0
3 years ago
Find the vertex of y = 5x² - 4
igomit [66]

Answer: (0,-4)

explanation: write in vertex form and use this form to find the vertex ( h , k )

7 0
2 years ago
F the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its radius is 5
BartSMP [9]
Yes the radius is 5.  Is this a true or false question or is there something you forgot to add to it?
3 0
3 years ago
Luca has 15
pav-90 [236]

Answer:10 question 1/2

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Andy has a collection of movie DVD's. In Andy's collection 3/5 of the DVD's are action and 1/4 of the DVD's are comedy . Andy sa
    10·2 answers
  • Two cars travel the same distance. The first car travels 40 mph and reaches its destination in t hours.
    14·1 answer
  • Solve the inequality 1\2w-4&gt;-3
    5·1 answer
  • 2 mi. yd. I'm confused​
    5·1 answer
  • Sid is packing crushed ice into a cone-shaped cThe cone has a height of 5 in. Its base has a diameter of 4 in. What is thevolume
    5·2 answers
  • A train travels 4.4 miles in
    13·1 answer
  • There is a sales tax of $22 on an item that costs$272 before tax. the sales tax on the second item is $19.25 how much does the s
    7·1 answer
  • Can someone please help me (25 points)
    8·1 answer
  • -5x-9=-3x-9 <br> solve for x
    14·1 answer
  • In an isosceles triangle, the length of the base is half of the length of a leg. The perimeter of this triangle is 50cm. Find th
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!