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
Vlada [557]
2 years ago
11

Help me please

Mathematics
1 answer:
Ivan2 years ago
4 0

Answer:

==7x3−5x2+6x−5

Step-by-step explanation:

=5x3+7x+(-8)+2x3+−5x2+−x+3

Combine Like Terms:

=5x3+7x+−8+2x3+−5x2+−x+3

=(5x3+2x3)+(−5x2)+(7x+−x)+(−8+3)

=7x3−5x2+6x−5

You might be interested in
A computer scans every 2.75 days and another scans every 3.5 days
Brut [27]

Answer:

Alright, so we have to find the LCM of 2.75 and 3.5.

A good start would be to multiply them together to get 9.625, but we want a whole day!

This would be every 77 days :)

5 0
2 years ago
Recall that m(t) = (1/2)^t/h for radioactive decay, where h is the half-life. Suppose that a 500g sample of phosphorus-32 decays
katrin2010 [14]

The question is incomplete, here is the complete question:

Recall that m(t) = m.(1/2)^t/h for radioactive decay, where h is the half-life. Suppose that a 500 g sample of phosphorus-32 decays to 356 g over 7 days. Calculate the half life of the sample.

<u>Answer:</u> The half life of the sample of phosphorus-32 is 14.28days^{-1}

<u>Step-by-step explanation:</u>

The equation used to calculate the half life of the sample is given as:

m(t)=m_o(1/2)^{t/h}

where,

m(t) =  amount of sample after time 't' = 356 g

m_o = initial amount of the sample = 500 g

t = time period = 7 days

h = half life of the sample = ?

Putting values in above equation, we get:

356=500\times (\frac{1}{2})^{7/h}\\\\h=14.28days^{-1}

Hence, the half life of the sample of phosphorus-32 is 14.28days^{-1}

7 0
3 years ago
This is slopes is this supposed to be negative or positive????
Shtirlitz [24]
This slope will be zero
8 0
3 years ago
A Ferris wheel has a radius of 72 feet. What is the distance a passenger will travel one time around the Ferris Wheel
rosijanka [135]
31 seconds it will take to get around without it stopping
6 0
3 years ago
Can someone help with this
Zinaida [17]

Answer:

C and E

Step-by-step explanation:

-2/3 = -0.66

so hence forth

2/3 = 0.66

- (2/3) = -0.66 and

2/-3 = -0.66

5 0
3 years ago
Other questions:
  • Edgar held a garage sale and sold a combined total of 15 toys and
    7·2 answers
  • An AISI 1040 cold-drawn steel tube has an OD 5 50 mm and wall thickness 6 mm. What maximum external pressure can this tube withs
    6·1 answer
  • Solve the equation. If there is not solution, write no solution. 4 times the absolute value of the quantity x plus one third end
    6·1 answer
  • Write 6/10 as a terminating decimal .
    8·1 answer
  • Find the solution: -9(2x - 1) = 45<br> x = -4<br> x =23/-9<br> x = -2<br> x = 3
    5·2 answers
  • In the diagram below, MNPQ is a parallelogram whose diagonals are perpendicular. Prove: MNPQ is a rhombus.
    9·1 answer
  • A lift in a building starts with 7 passengers and stops at 10 floors.if each passenger is equally likely to get off at any floor
    12·1 answer
  • Given m || n, find the value of x and y
    11·1 answer
  • Find the GCF of each set of numbers 4, 10,14
    5·1 answer
  • The following data of students weights (in kg) is collected 65 48 52 55 62 58 47 53 65 71 54 62 51 49 54 60 68 53 57 62 59​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!