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Dominik [7]
2 years ago
15

Please Help ASAP!!!!!!!!!!!!

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
4 0

Answer:

1. 5b-3

2. 6-b

3. 7-5b

4. 6+4b

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Perimeter of a square with side 4 square root of 5
Darya [45]

Answer:

16\sqrt{5}

Step-by-step explanation:

4\sqrt{5}+4\sqrt{5}+4\sqrt{5}+4\sqrt{5}

16\sqrt{5}

7 0
3 years ago
20 points Find the value of x in the figure
IrinaK [193]

Answer:

x=100

Step-by-step explanation:

180 degrees on a straight line.

180-57= 123

123-23=100

x=100

Hope this helps

8 0
2 years ago
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If EG=50 , and point F is 2/5 of the way between e and g,find the value FG A.30 B.25 C.40 D.20
noname [10]

Answer:

b is the ans

Step-by-step explanation:

6 0
2 years ago
Show that 2x +1 is a factor of 2x3 +5x2+4x+1 and factories completely
larisa [96]

\text{According to the factor theorem, if f(b) = 0, then x-b is a factor of f(x).}\\\\\text{Given that,}\\\\f(x) = 2x^3 +5x^2 +4x +1 \\\\f\left(-\dfrac 12 \right) = 2\left( - \dfrac 12 \right)^3 +5 \left( - \dfrac 12 \right)^2 +4 \left( - \dfrac 12 \right) +1 \\\\\\~~~~~~~~~~~~=-2 \cdot \dfrac 18 + 5 \cdot \dfrac 14 -2 +1 \\\\\\~~~~~~~~~~~=\dfrac 54 -\dfrac14 -1\\\\\\~~~~~~~~~~~=\dfrac 44 -1 \\\\\\~~~~~~~~~~~=1-1\\\\\\~~~~~~~~~~~=0\\\\\text{So,}~ 2x +1 ~ \text{is a factor of f(x).}

\text{Now,}\\\\f(x) = 2x^3 +5x^2 +4x +1 \\\\~~~~~~=2x^3+x^2 +2x^2 +2x +2x+1\\\\~~~~~~=x^2(2x+1)  +2x(2x+1) +  (2x+1)\\\\~~~~~~=(2x+1)(x^2 +2x +1)\\\\~~~~~~=(2x+1)(x+1)^2

3 0
2 years ago
What is the length of each piece????PLEASE HELP!!!!
Alex787 [66]
The last one because its a side length if 26 inches so you spit in half
3 0
3 years ago
Read 2 more answers
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