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
blagie [28]
2 years ago
8

Simplify the following expression. show your work. (-y + 5.3) + (7.2y - 9)

Mathematics
1 answer:
Kitty [74]2 years ago
6 0

Answer:

6.2y - 3.7

Step-by-step explanation:

−y+5.3+7.2y−9

Subtract 9 from 5.3 to get −3.7.

−y−3.7+7.2y

Combine −y and 7.2y to get 6.2y.

6.2y−3.7

You might be interested in
An online furniture store sells chairs for $150 each and tables for $400 each. Every day, the store can ship no more than 30 pie
ivolga24 [154]

Answer:

minimum of 13 chairs must be sold to reach a target of $6500

and a max of 20 chairs can be solved.

Step-by-step explanation:

Given that:

Price of chair = $150

Price of table = $400

Let the number of chairs be denoted by c and tables by t,

According to given condition:

t + c = 30 ----------- eq1

t(150) + c(400) = 6500 ------ eq2

Given that:

10 tables were sold so:

t = 10

Putting in eq1

c = 20 (max)

As the minimum target is $6500 so from eq2

10(150) + 400c = 6500

400c = 6500 - 1500

400c = 5000

c = 5000/400

c = 12.5

by rounding off

c = 13

So a minimum of 13 chairs must be sold to reach a target of $6500

i hope it will help you!

4 0
3 years ago
Look at problem 4. Will three soccer balls weigh more than 1 kilogram Explain
alex41 [277]

Answer:Yes

Step-by-step explanation:

So thats say each soccer ball weigh 450 grams and a kilogram is 1000 grams so we will do 450 times 3 which is 1350 and 1350 is more than 1000 grams which more than a killogram so the answer is yes and its by 350 more.

8 0
2 years ago
Mary who is 13 years old wants to have $8500 to travel to Argentina when she’s 21 years old. She currently has $6439 in savings
marishachu [46]

Answer:

a; she will have $8812

b: It will be enough for her trip

Step-by-step explanation:

In this question, we are tasked with calculating how much a certain value in a savings account that is earning an interest that is compounded annually will be worth.

To calculate this, we use the compound interest formula;

A = P((1+r/n)^{nt}

Where A is the amount after that number of years which of course we want to calculate

P is the principal amount which is the amount we are investing which is $6439 according to the question

r is the interest rate which is 4% = 4/100 = 0.04

t is the time which is 8 years

n is 1 which is the number of times interest will be compounded annually

We plug these values as follows;

A = 6439(1 + 0.04/1)^8

A = 6439(1.04)^8

A = $8,812.22

This amount is greater then the needed $8,500 for the trip and of course it will be enough

8 0
3 years ago
PLEASE HELP QUICK! I WILL GIVE BRAINLIEST! **GEOMETRY**
Rzqust [24]
The answer would be 3 hope helps
8 0
3 years ago
[2.5+ 0.187]x10 please help me
MAVERICK [17]
The answer will turn out to be 26.87
6 0
3 years ago
Other questions:
  • Can someone please help me ASAP (Radical expressions)
    6·2 answers
  • Find the 4th term if the sequend in which a1 = 2 and a n+1 = -4a n + 2
    13·1 answer
  • A story sells boxes of juice in equal-size packs. Ava bought 18 boxes, Katie bought 36 boxes, and Alexa bought 45 boxes. What is
    9·1 answer
  • The volume of a cube is 64 cubic inches. what is the length of one side?
    8·1 answer
  • The solution to 7x = 42 is x = ___.<br> 4<br> 5<br> 6<br> 7
    7·2 answers
  • A speed walker covered 4 1/2 mi in 3/4 hour. How far will he walk in 3/4 hour if he walks?
    15·1 answer
  • In the triangle below, what is the length of MN
    5·1 answer
  • Also need help with this one
    6·1 answer
  • Pls help me with this question I will mark brainiest.
    8·2 answers
  • Julie sold 12 boxes of cookies in 15 minutes. If she continues selling cookies at this rate, how many boxes will she sell in 3 h
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!