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weeeeeb [17]
3 years ago
7

Idk how to do this I’m stuck and don’t know what to do it’s due today can someone give me the answers

Mathematics
1 answer:
wel3 years ago
7 0
A: When they were distributing the 2, they didn’t distribute it to the 5. The correct answer would be 6x + 10

B: They didn’t distribute the 3 to the -3. The answer should be 6x^2 - 9

C: They didn’t distribute the -3 to the -4. The correct answer should be -9x + 12

D: The -20 should be a positive 20 because -4 x -5= 20. The correct answer should be -16x + 20

E: The 12 should be a -12 because -2 x 6= -12. The correct answer should be -8x^2 -12

F: They didn’t distribute the -9 correctly. The correct answer should be -36x^3 + 45x -54


Hope this helps!

-Grace
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What is the volume of the doorstep below
kati45 [8]

Answer:

V=63\ in^3

Step-by-step explanation:

-The total volume will be the sum of the volumes of the triangular section plus the rectangular section.

#Volume triangular section:

V=Base\ Area\times length\\\\Base\ Area=\frac{1}{2}bh\\\\=\frac{1}{2}\times 3\times 3\\\\=4.5\\\\\therefore V_t=4.5\times 6\\\\=27\ in^3

#Volume rectangular section:

V=lwh\\\\=3\times 2\times 6\\\\=36\ in^3\\\\\therefore V_r=36\ in^3

#Total volume of the doorstep:

V=V_t+V_r\\\\=27+36\\\\=63\ in^3

Hence, the doorstep's volume is 63\ in^3

4 0
3 years ago
Find the amount A accumulated after investing $4800 for 17 years at an interest rate 6.2% compounded quarterly.​
Nostrana [21]

Answer:

A = $13,660.81

Step-by-step explanation:

P (principal) = $4,800.00

I (interest) = $8,860.81

First, convert R as a percent to r as a decimal

r = R/100

r = 6.2/100

r = 0.062 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 4,800.00(1 + 0.062/4)(4)(17)

A = 4,800.00(1 + 0.0155)(68)

A = $13,660.81

8 0
2 years ago
Number 4 plz help me out
Paul [167]
I'm really not good at this .. but if u want multiply or dived the cm's .. math is not my best subject if I'm wrong .. sorry
6 0
3 years ago
4t + 2u2 - u3 ; t=2 u=1
melisa1 [442]
9, I believe.
4(2)+2(1)^2-(1)^3 (^ just means to the power of "exponent")
8+2-1=9
3 0
3 years ago
I need to transpose the following equation to find the term (g)<br><br> V^2=2gh
nataly862011 [7]
v^2=2gh\\\\2gh=v^2\ \ \ \ |divide\ both\ sides\ by\ 2h\\\\\boxed{g=\frac{v^2}{2h}}
7 0
3 years ago
Read 2 more answers
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