3 years ago

Solve the proportion.

1 answer:

6 0

H = 3.75

(2.5*9)/6 = h

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Olin [163]

$2\cdot x^2+2\cdot x^1+1\cdot x^0=25\\2x^2+2x+1=25\\2x^2+2x-24=0\\x^2+x-12=0\\x^2+4x-3x-12=0\\x(x+4)-3(x+4)=0\\(x-3)(x+4)=0\\x=3 \vee x=-4$

The base can't be negative, therefore $x=3$ .

$3\cdot x^0+3\cdot x^1+4\cdot x^0-4\cdot x^1+0\cdot x^0=0\\3+3x+4-4x=0\\x=7$

$2\cdot x^1+3\cdotx^0=1\cdot 2^3+1\cdot2^2+1\cdot2^1+1\cdot2^0\\2x+1=8+4+2+1\\2x=14\\x=7$

5 0

2 years ago

rjkz [21]

Yeah I don’t know but have someone else

8 0

3 years ago

zysi [14]

Answer:

Step-by-step explanation:

7 0

3 years ago

ahrayia [7]

Answer:

0x8y

Step-by-step explanation:

x is negative so i turned it into a negative number b, y is - so 8 and o is slope

4 0

4 years ago

larisa86 [58]

Answer:

x^2+5x-24

Step-by-step explanation:

use foil

8 0

3 years ago