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Nana76 [90]
3 years ago
10

Look at these equations.

Mathematics
1 answer:
AlexFokin [52]3 years ago
6 0

Answer:

Beginner

11 = 5 + a

11 - 5 = a

6 = a

6 + 4 = b + 3

10 = b + 3

10 - 3 = b

7 = b

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HELP FAST!!!!!!!!!!!!!!!!!
alexandr1967 [171]

Answer:When you know two of the dimensions and either the volume or surface area, you can find the third dimension. Find the width of a rectangular prism using the formulas for volume and surface area, which are volume = length x height x width, and surface area = 2 x length + 2 x height + 2 x width.

Step-by-step explanation:

5 0
3 years ago
What's the anwser to 5 6 7
ExtremeBDS [4]
5: n=135
6: n=3
7: n=214
3 0
3 years ago
Read 2 more answers
What is the value of a1 for a geometric sequence with a4=40 and a6=160?
Elenna [48]

Answer:

5

Step-by-step explanation:

The nth term of a geometric series is:

a_n = a₁ (r)^(n-1)

where a₁ is the first term and r is the common ratio.

Here, we have:

40 = a₁ (r)^(4-1)

160 = a₁ (r)^(6-1)

40 = a₁ (r)^3

160 = a₁ (r)^5

If we divide the two equations:

4 = r^2

r = 2

Now substitute into either equation to find a₁:

40 = a₁ (2)^3

40 = 8 a₁

a₁ = 5

6 0
3 years ago
8x{[(7+4)x2] - [(11-7)x4]}
Anni [7]
PEMDAS
P - Parentheses (or other grouping symbols)
E - Exponents 
M - Multiplication
D - Division
A - Addition
S - Subtraction

8x[(7+4)x^2] - [(11-7)x^4]\\  \\ 8x[(11)x^2] - [(4)x^4] \\  \\ 8x[11x^2] - [4x^4] \\  \\ 88x^3 - 4x^4 \\  \\ -4x^4+88x^3

If you then want to go on to factor it, your answer would be -4x^3(x-22)
8 0
4 years ago
Read 2 more answers
Please help me please please
Evgesh-ka [11]

Answer:

Its 5r, the 9r's cancel eachother out

Step-by-step explanation:

:) happy to help

6 0
3 years ago
Read 2 more answers
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