12 + 4x > 24 or 10 - 12x > 22

Mathematics

1 answer:

Wewaii [24]2 years ago

8 0

Answer:

10 - 12 × > 22 Yan Yong sagot

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How do you factor this? x^{2} + 5 x- 9 = ?

Oksanka [162]

$x^2+5x-9\\\\a=1;\ b=5;\ c=-9\\\Delta=b^2-4ac\\\\\Delta=5^2-4\cdot1\cdot(-9)=25+36=61 > 0\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{61}\\\\x_1=\dfrac{-5-\sqrt{61}}{2\cdot1}=\dfrac{-5-\sqrt{61}}{2}\\\\x_2=\dfrac{-5+\sqrt{61}}{2\cdot1}=\dfrac{-5+\sqrt{61}}{2}\\\\x^2+5x-9=\left(x-\dfrac{-5-\sqrt{61}}{2}\right)\left(x-\dfrac{-5+\sqrt{61}}{2}\right)$

6 0

2 years ago

The width of a rectangle is 7/15 of its length. The width of the rectangle is 56 cm. Find the length of the rectangle.

Hoochie [10]

W = 7/15 L

w = 56

56 = 7/15 L

56 x 15/7 = 7/15 x7 L

L = 120

8 0

3 years ago

I don't understand this

Valentin [98]

Answer:

.8 TERMINATING

Step-by-step explanation:

Terminating means to End or arrive to an end and that is exacly what is being done here it is not repeating for example .888888 (>see) no but when we divide we get .8 witch is terminating.

These are all terminating decimals because they end.

7 0

3 years ago

Read 2 more answers

Please help

german

Answer:

17 units

Step-by-step explanation:

Distance between points $(a,b)\,,\,(c,d)$ is given by $\sqrt{(c-a)^2+(d-b)^2}$