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
ivann1987 [24]
4 years ago
12

Can someone help me with this? And show me the work ASAP

Mathematics
1 answer:
Alex73 [517]4 years ago
8 0
1. 5x+1=4x-1
5x-4x=-1-1
x=-2

2. -10b+5=7b+5
7b+10b=5-5
17b=0
b=0

3. r+15=4r-6
4r-r=15+6
3r=21
r=21/3
r=7

4. 10-2v=-5v-50
-2v+5v=-50-10
3v=-60
v=-60/3
v=-20

5. 15y+3=18y
18y-15y=3
3y=3
y=3/3
y=1

6. -2x+6=4x+9
4x+2x=6-9
6x=-3
x=-3/6
x=-1/2
You might be interested in
Find the value of an investment of $20,000 for 12 years at an annual interest rate of 3.85%
MatroZZZ [7]

Answer:

<h2> $31,745</h2>

Step-by-step explanation:

Compound continuously:

FVn = PV x e^rn

where

PV = $20,000

r = 3.85%

n = 12 years

plugin values into the formula:

FV₁₂ = $20,000 x e ⁰°⁰³⁸⁵ ⁽¹²⁾

FV₁₂ = $31,745

3 0
3 years ago
An office supply store sells 8 pens for $4.00. If this relationship is graphed with the number of pens on the x-axis and the cos
Alex17521 [72]

Answer:

Step-by-step explanation:

B

3 0
4 years ago
Jake is traveling 13 mph in his boat. After 3 hours, how far will he have traveled?
Ber [7]
Multiply 13 by 3

13 * 3 = 39 miles

Hope this helps :)
6 0
3 years ago
Read 2 more answers
Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per
zysi [14]
You could use the function: 

f(x)=30+2x
100=30+2x 

In which lets say he rode 3 rides. Plug in 3 for x.

100=30+2(3)

Then Multiply 
100=30+6

Then combine 30 and 6 to get 36.
Then you can subtract 36 from 100 to get 
$64 left over. 
5 0
4 years ago
Use place value to find the product for 5 × 70 = 5 × ?tens
aev [14]
It should be 7 tens because both side should be equal.
3 0
4 years ago
Read 2 more answers
Other questions:
  • Explain how many thirds are in 7
    11·2 answers
  • What is the length of the y-component of the vector shown below? A. 77.3 B. 15.0 C. 20.7 D. 21.4
    7·1 answer
  • PLATO USERS NEEDED - 50 POINTS
    12·2 answers
  • (3x*2-x+8y)+(4x*2-3x-5y)<br><br>help me please
    15·1 answer
  • The diameter of a circle is 8 miles.What is the circle’s radius?
    13·1 answer
  • Harry the hippo is munching on the lily pads in his pond. When he arrived at the pond, there were 20 lily pads, but he is eating
    6·1 answer
  • Need help in these two only PLEASEE!! School is starting tomorrow
    15·1 answer
  • A machine that drills holes for Wells drilled to a depth of -72 feet in one day 24 hours how much did the depth change each hour
    5·1 answer
  • Help on number 4 pls!!
    13·1 answer
  • Question 12(Multiple Choice Worth 5 points) (02.05 MC) Triangle ABC is transformed to obtain triangle A′B′C′: A coordinate grid
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!