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GuDViN [60]
3 years ago
13

3a-8a>-20 help I suck at math ​

Mathematics
1 answer:
vazorg [7]3 years ago
5 0

Answer:

Step-by-step explanation:

3a-8a>-20

-5a>-20

a>-20/-5

a>4

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An observer stationed 20 m away from a tall
antiseptic1488 [7]

Answer:

Step-by-step explanation:I don't say you must have to mark my ans as brainliest but my friend if it has really helped you plz don't forget to thank me...

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In an expression<br>(8/9) squared (-81)+3/5dividedby-9/10
Nitella [24]
If you wanted to calculate it, there it is:
(\frac{8}{9})^2 (-81)+\frac{\frac{3}{5}}{\frac{-9}{10}} = \frac{64}{81}*(-81)+\frac{3}{5}*\frac{10}{-9} = -64+\frac{-2}{3}= \\ =-64-\frac{2}{3}=\frac{-192-2}{3}=\frac{-194}{3}
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3 years ago
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If these two shapes are similar, what is the measure of the missing length j?
nadya68 [22]

Answer:

2

Step-by-step explanation:

If two shapes are similar, this means the ratio of similar sides to each other are the same.

So, in the green shape, the long side length is 5 mm. In the purple shape, the long side length is 10 mm in length. The ratio is therefore 5 to 10, which can be simplified to 1 to 2 (which is basically saying that the side lengths of the purple shape are double the length of the sides of the green shape).

Using the same 1 to 2 ratio, you know that the short side length on the green shape is 1. The short side length on the purple shape (j) must therefore be double, which is 2.

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3 years ago
What is 2 2/3 + 3 2/3
Tanya [424]

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6 1/3

Step-by-step explanation:

4 0
3 years ago
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Complete the following equation using &lt;, &gt;, or = 120% ___ 1
kvasek [131]
To solve these types of problems, we need to convert the two values into the same form.  

We know that 1 = 1.00, as adding zeroes to the end of a decimal doesn't change the value.

To change a decimal into a percentage, we multiply the decimal by 100 and add a percent sign.  

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Therefore, 1 = 100%

Because 120% is greater than 100%, thus, 

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3 years ago
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