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
Nikitich [7]
3 years ago
6

Please help me with Part A and B!

Mathematics
1 answer:
Illusion [34]3 years ago
5 0

Answer:

A. When Katina has $280 in her bank account, 4 months have passed. Plug 4 months into Malorie's bank account equation:

a = 50(4) + 100

a = 200 + 100

a = $300

B. Malorie's bank account changes at a greater rate. Katina's bank account amount increases by $20 each month, whereas Malorie's bank account increases by $50.

Ex: month 5

Katina has 300, 20 more than the previous month.

Malorie has 350, 50 more than the previous month

You might be interested in
Kirk bought songs for his MP3 player. He needed 6 more songs to have a total of 100. Write an integer to represent how many more
o-na [289]
Let songs = S

Kirk needs 6 more songs to have 100

S + 6 = 100

your integer is:

S + 6 = 100


hope this helps
6 0
3 years ago
Read 2 more answers
Help! i can’t figure this out!
Lunna [17]
X=36 because 1/3 times 36 equals 12
8 0
3 years ago
Read 2 more answers
Selena and Ronald are planning to get married at the university where they met and graduated. The university charges $2,000 to s
jok3333 [9.3K]

Here, we have to find the number of guests who can attend their weeding without exceeding the set budget of $10,000

Since the catering fee of $150 is waived, we do not consider this figure in our analysis

There is a constant which is the venue costs of $2,000 and a variable cost of $80 per guest for the reception.

Let us assume "X" guests arrive for the reception, so we can form the equation as shown below:

80X + 2,000 = 10,000 (Since the total budget for the wedding is $10,000)

80X = 8000

8X = 800

X =100

Therefore, Selena and Ronald can invite 100 guests for the wedding without going over their budget

3 0
3 years ago
What is the solution for x in the given equation? The square root of 9x +7 + the square root of 2x = 7
cestrela7 [59]

Answer:

The solution is x =2 for the given equation \sqrt{9x+7} +\sqrt{2x}=7

Step-by-step explanation:

We need to find the solution for x in the given equation.

\sqrt{9x+7} +\sqrt{2x}=7

Solving:

Subtract \sqrt{2x} from both sides

\sqrt{9x+7} =7-\sqrt{2x}

Taking square on both sides

(\sqrt{9x+7})^2 =(7-\sqrt{2x})^2\\Using\,\, (a-b)^2 = a^2-2ab-b^2\\9x+7=(7)^2-2(7)(\sqrt{2x})+(\sqrt{2x})^2\\9x+7=49-14\sqrt{2x}+2x\\9x-2x+7-49=-14\sqrt{2x}\\7x-42=-14\sqrt{2x}\\Taking\,\,square\,\,on\,\,both\,\,sides\\(7x-42)^2=(-14\sqrt{2x})^2\\49x^2-2(7x)(42)+(42)^2= 196(2x)\\49x^2-588x+1764=392x\\49x^2-588x+1764-392x=0\\49x^2-980x+1764=0\\Using \,\,quadratic \,\, equation  \,\,to \,\, find \,\, value \,\, of \,\, x \\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\a= 49, \, b= -980 \,\,and\,\, c = 1764

Putting values and solving

x=\frac{-(-980)\pm\sqrt{(-980)^2-4(49)(1760)}}{2(49)}\\x=\frac{980\pm\sqrt{614656}}{98}\\Solving\\x=18 \,\, and x =2

Verifying the solution by putting values of x in given equation

Putting x=18

\sqrt{9x+7} +\sqrt{2x}=7\\\sqrt{9(18)+7} +\sqrt{2(18)}=7\\\sqrt{169} +\sqrt{36}=7\\13+6=7\\19\neq 7

So, x=18 is not solution o given equation.

Putting x = 2

\sqrt{9x+7} +\sqrt{2x}=7\\\sqrt{9(2)+7} +\sqrt{2(2)}=7\\\sqrt{25} +\sqrt{4}=7\\5+2=7\\7=7

So, x=2 satisfies the equation

The solution is x =2 for the given equation \sqrt{9x+7} +\sqrt{2x}=7

7 0
3 years ago
what is the equation of a line perpendicular to y=2x+4 and goes through the point (-2,3)
lesya [120]

Answer:

y=1/2x +4

To get the perpendicular its the opposite reciprocal, so 2/1 will be 1/2

5 0
3 years ago
Read 2 more answers
Other questions:
  • Is this right. thx. pls help with this
    6·1 answer
  • 25 X n + 13<br> Solve the inequality for n
    9·1 answer
  • Has a center at (2,-1) and contains the point (4,5)
    12·1 answer
  • there are 3 orange fish, 3 red fish, 1 white fish I the fish tank. how many fish are in the fish tank ​
    7·2 answers
  • Mary has 6 pairs of blue pants which represents 40% of slacks in her closet. What is the total number of pants she owns
    13·1 answer
  • Lossa
    12·1 answer
  • Ω⊇↔↔⇆⇆∑⊕║⊕⊕⊇↔∨∞≈≠≤≥≡→↓∴∴
    9·1 answer
  • Solve for the value of n.
    8·2 answers
  • Definition of uniform speed​
    5·2 answers
  • What is the slope of the line that contains the pionts (2,3) (2,-4)​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!