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anyanavicka [17]
4 years ago
12

I need help solving these inequalities

Mathematics
1 answer:
TiliK225 [7]4 years ago
3 0
3 < = w + 2 < = 7.....subtract 2 from all parts
3 - 2 < = w + 2 - 2 < = 7 - 2....simplify
1 < = w < = 5 .....this is ur answer

12 < (14 + 17 + a) / 3 < = 16....multiply all parts by 3
12 * 3 < 3 *(14 + 17 + a) / 3 < = 16 * 3...simplify
36 < 14 + 17 + a < = 48
36 < 31 + a < = 48...subtract 31
36 - 31 < 31 - 31 + a < = 48 - 31
5 < a < = 17 <==== ur answer
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Anyone good with algebra 1?
fredd [130]

Replace x with 7:

y = 115 + 10(7)

y = 115 + 70

<h2>7 = 185</h2>
7 0
3 years ago
Evaluate the summation of 3 times negative 2 to the n minus 1 power, from n equals 1 to 5.
Zanzabum
The answer is <span>C.33
</span>
3 * (-2)ⁿ⁻¹
n = 1;  3 * (-2)¹⁻¹ = 3 * (-2)⁰ = 3 * 1 = 3
n = 2;  3 * (-2)²⁻¹ = 3 * (-2)¹ = 3 * (-2) = -6
n = 3;  3 * (-2)³⁻¹ = 3 * (-2)² = 3 * 4 = 12
n = 4;  3 * (-2)⁴⁻¹ = 3 * (-2)³ = 3 * (-8) = -24
n = 5;  3 * (-2)⁵⁻¹ = 3 * (-2)⁴ = 3 * 16 = 48

The sum is:
3 + (-6) + 12 + (-24) + 48 = 3 - 6 + 12 - 24 + 48 = 33
7 0
3 years ago
Let V be the volume of the pyramid of height 11 whose base is a square of side length 6. Find a formula for the area A of the ho
Rainbow [258]

Answer:

Base area = 36

Volume of the pyramid = 132

Step-by-step explanation:

Volume of a pyramid = Base Area × Height/3

Base area = Length × Length (since base of the pyramid is a square)

Given the side length of the square = 6

Base area = 6×6

Base area = 36

Given height of pyramid =11

Volume of the pyramid = 36×11/3

Volume of the pyramid = 12×11

Volume of the pyramid = 132

7 0
3 years ago
Divide the following polynomial, then place the answer in the proper location on the grid. (9x 4 + 3x 3y - 5x 2y 2 + xy 3) / (3x
olga55 [171]
The answer is -4+72/2y+9 when you solve using polynomial division :)
3 0
3 years ago
Please help and explain thanks
RoseWind [281]

Answer: Woops I meant 2 cannot be repeated because x-values cannot be the same. So it is C.

A function CAN have the same y-values such as (3,4) and (6,4). But a function CANNOT have the same x-values like (7,10) and (7,1) because it would be a straight line.

5 0
4 years ago
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