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
Varvara68 [4.7K]
2 years ago
8

HELP ASAP PLEASE!!!! I’m really confused

Mathematics
1 answer:
8_murik_8 [283]2 years ago
6 0
1. first option= 84
2. first option= (1+6)/7
3. last option= 0.40-m
You might be interested in
Find the side length of the square 16x2 +56x +49
Darya [45]

Answer:

(4x+7)(4x+7)

Step-by-step explanation:

8 0
3 years ago
Please help thank you
matrenka [14]

Answer:

25.9 yd

Step-by-step explanation:

a^{2} + {b^{2} }  = c^{2}

(17)^{2} + {b^{2} } = (31)^{2}

289 + {b^{2} }  = 961

Subtract 289 on both sides

{b^{2} }  = 672

\sqrt{b^{2} } = \sqrt{672}

nearest tenth

b = 25.9 yd

7 0
2 years ago
Read 2 more answers
On her last credit card bill, Linda paid a variable rate of 1.8 percent on the first $200 and 1.2 percent on
dybincka [34]

Interest paid by Linda is equal to $4.272 approximately equal to $4.27.

<u> Solution: </u>

Given that  

Rate of interest on first $200 = 1.8%

Rate of interest on any amount over $200 = 1.2%

Unpaid balance amount of Linda’s credit card bill = $256

Need to calculate interest paid by her on $256.

Unpaid balance = $256  

=$200 + 56

Amount over $200 = 56

Interest paid on first $200 = 1.8% of 200

= 0.018 x 200 = $3.6

Interest paid on amount over $200 that is $56 = 1.2% of 56

= 0.012 x 56 = $0.672

So total interest paid on $256 = 3.6 + 0.672 = $4.272.

Hence interest paid by Linda is equal to $4.272 approximately equal to $4.27.

4 0
3 years ago
11) <br> Solve for x:<br><br> 3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
gogolik [260]

Step-by-step explanation:

3(7 + 2x) + 3 = 3(5+ x) - 9(x + 1)

21 + 6x + 3 = 15 + 3x - 9x - 9

6x + 24 = 6 - 6x

12x = -18

x = -1.5

5 0
2 years ago
Read 2 more answers
Input
melamori03 [73]

If we graph the given points then they appear to be in the shape of cubic function so we can use standard formula of cubic function which is


y=ax^3+bx^2+cx+d


Plug the given points to get four equations


like first point (3,6) so plug x=3 and y=6 into above equation, we get:


6=a*3^3+b*3^2+c*3+d


or


6=27a+9b+3c+d


Same way by plugging other points form table, we get total four equations as follows:


6=27a+9b+3c+d, 11=125a+25b+5c+d, 11=64a+16b+4c+d, 21=343a+49b+7c+d


Now we just need to solve these equations for a, b, c and d.

Solving them to get values of a, b, c and d, we get:


a=\frac{25}{24}, b=-15, c=\frac{1715}{24}, d=-\frac{203}{2}


Now plug them into


y=ax^3+bx^2+cx+d


So the required equation will be:


y=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}


Hence required equation in function notation can be written as


f(x)=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}


Now to prove that above function is correct, we just graph the given points from table and the obtained function.


After graphing the given points from table and the obtained function, We see that points lie on the graph of y=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}


Which proves that our equation is correct.


5 0
3 years ago
Other questions:
  • What is equivalent to 3√125 ^x?
    6·1 answer
  • 18% of 92 rounded to the nearest tenth is 16.6.<br><br> True<br> False
    12·1 answer
  • Write an explicit formula fo the sequence 7,2,-3,-8,-13.... Then find the 14th term
    14·1 answer
  • Two numbers add to 251 and the second is 41 bigger then the first. what are the two numbers?
    13·2 answers
  • 50% to 36.75 what is the original price
    13·1 answer
  • PLS HELP THIS IS DUE AT 11:59pm
    11·2 answers
  • 2[32-(4-1)³] answer.​
    6·1 answer
  • Lol sorry help me again!​
    8·1 answer
  • A netball team has 7 boys and 4 girls. The percentage of the girls in the class
    13·1 answer
  • 5. a) Which of these numbers are perfect
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!