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2 years ago

Can you please help me with this? I don't get it

Mathematics

1 answer:

kirill115 [55]2 years ago

3 0

If you're trying to solve for x, then there is no solution. Since the left side is positive, the inequality has no solution over the domain.

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What inequality is represented by this number line?

makvit [3.9K]

It would be .....
Hope this helps
Have a happy holidays:)

3 0

2 years ago

What is the simplified expression for -2a^2b+a^2-5ab+3ab^2-b^2+2(a^2b+2ab)

WINSTONCH [101]

Answer:

Step-by-step explanation:

Hello,

$-2a^2b+a^2-5ab+3ab^2-b^2+2(a^2b+2ab)\\\\=-2a^2b+a^2-5ab+3ab^2-b^2+2a^2b+4ab\\\\=a^2+3ab^2-ab-b^2$

Thanks

7 0

2 years ago

Which property allows to compute [(-1/5) + (-3/5)] + (1/7) as (-1/5) + [(-3/5) + (1/7)]

IceJOKER [234]

Given:

Two expressions are $\left[\left(-\dfrac{1}{5}\right)+\left(-\dfrac{3}{5}\right)\right]+\left(\dfrac{1}{7}\right)$ and $\left(-\dfrac{1}{5}\right)+\left[\left(-\dfrac{3}{5}\right)+\left(\dfrac{1}{7}\right)\right]$ .

To find:

The property that allows to compute $\left[\left(-\dfrac{1}{5}\right)+\left(-\dfrac{3}{5}\right)\right]+\left(\dfrac{1}{7}\right)$ as $\left(-\dfrac{1}{5}\right)+\left[\left(-\dfrac{3}{5}\right)+\left(\dfrac{1}{7}\right)\right]$ .

Solution:

According to associative property of addition, if a, b and c are real numbers, then

$(a+b)+c=a+(b+c)$

Using the associative property of addition, we get

$\left[\left(-\dfrac{1}{5}\right)+\left(-\dfrac{3}{5}\right)\right]+\left(\dfrac{1}{7}\right)=\left(-\dfrac{1}{5}\right)+\left[\left(-\dfrac{3}{5}\right)+\left(\dfrac{1}{7}\right)\right]$

Therefore, the required property is associative property of addition.

8 0

2 years ago

Make a ten or a hundred to add mentally. 198 + 132 1,274 + 3,599

Svet_ta [14]

198+ 132= 330
1274+ 3599= 4873

8 0

2 years ago

Can someone please help

omeli [17]

7.8/2.4 = x/2
2.4x = 15.6
x = 6.5

perimeter of triangle = 6.5 + 4.2 + 7.8 = 18.5

answer B. 18.5 ft

4 0

2 years ago