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son4ous [18]
3 years ago
14

-5(5a – 2) +14 need help

Mathematics
1 answer:
gulaghasi [49]3 years ago
4 0

Answer:24-25a

Step-by-step explanation:

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A rectangle has a length of 2x+7 and a width of 3x+8.
Phantasy [73]

Answer:

Below.

Step-by-step explanation:

Perimeter = 2(2x + 7 + 3x + 8)

= 2(5x + 15)

= 10x + 30.

3 0
2 years ago
(8a+5B-3)+3(b-3) what is that
frutty [35]

Answer:

Im Not really sure but i think its

8a+8b-12.

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The density of a certain material is such that it weighs 9 kilograms for every 7 cubic feet of volume. Express this density in p
Vadim26 [7]

Answer:

1.641× 10^-3 pounds/ cubic inch

Step-by-step explanation:

Density= mass / volume

Mass of the material= 9 kilograms

Volume= 7 cubic feet

Density= 9/7= 1.286 kg/ ft^3

Density= 1.286 kg/ ft^3

To Convert to pounds per inch

1 kg/ ft^3 = 0.00128 pound / cubic inch

1.286 kg/ ft^3 = X pounds/ cubic inch

X=( 1.286 × 0.00128)

= 0.0016407087 pounds/ cubic inch

= 1.641× 10^-3 pounds/ cubic inch

Hence,this density in pounds per inch is 1.641× 10^-3 pounds/ cubic inch

5 0
3 years ago
5|2x - 3| + 4 = 9<br> How do you solve this
agasfer [191]

Answer:

x = 2, or x = -1

Step-by-step explanation:

If 2x - 3 is inside the parenthesis (), then the value of x is 2.

If 2x - 3 is inside the absolute value sign, then the value of x will probably be -1.

<u>Solution 1</u>

(10x-15) + 4 = 9

10x -11 = 9

10x = 20    -> x = 2

<u>Solution 2</u> (Not 100% sure)

|10x -15| +4 = 9

10x + 15 +4 = 9

10x + 19 = 9

10x = -10      -> x = -1

Please correct me if I'm wrong.

<u />

3 0
3 years ago
65536, 256, 16, What is the next number?
Oduvanchick [21]
Hello,

x_{1} =65536\\&#10; x_{n+1} =\sqrt{ x_{n}}\\\\&#10;&#10; x_{1}=65536\\&#10; x_{2} =\sqrt{65536}=256\\&#10; x_{3} =\sqrt{256}=16\\&#10; x_{4} =\sqrt{16}=4\\&#10; x_{5} =\sqrt{4}=2\\&#10; x_{6} =\sqrt{2}\\&#10;...
==================================
7 0
3 years ago
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