2 years ago

What symbol do I use and number line help plzz

Mathematics

1 answer:

Ghella [55]2 years ago

6 0

For all three boxes?

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Twenty times y is at most 100 in interval notation

DiKsa [7]

Answer:

$y\in (-\infty ,5]$

Step-by-step explanation:

In this problem, we need to write "Twenty times y is at most 100 in interval notation ".

20 times y means, 20y

Atmost means an inequality which is $\le$

ATQ,

$20\times y\le 100$

i.e.

$20y\le 100\\\\y\le 5$

We can also write it as :

$y\in (-\infty ,5]$

Hence, the required interval notation is $y\in (-\infty ,5]$ .

7 0

3 years ago

Write the augmented matrix for the given system. x + 3y + 5z = -3 -5y + 3z = -8 -8z = -6

Phantasy [73]

$\begin{pmatrix} 1 & 3 & 5 & | & -3& \\ 0 & 5 & 3 & | & -8 \\ 0 & 0 & -8 & | & -6 \end{pmatrix}$

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3 years ago

Which equation represents the situation?<br> correct=brainliest

Tanya [424]

Answer:

k=m+4

Step-by-step explanation:

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3 years ago

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Help with answer please!

lana [24]

Answer:

Step-by-step explanation:

5 0

3 years ago

Evaluate, leave ur answer in index form. 2³ × 2^-1

vitfil [10]

Multiply = add powers

3 + - 1 = 2

- - means +

+ + means +

- + means -

Thus, answer is 2^2

Hope this helps!

3 0

1 year ago

What symbol do I use and number line help plzz​​

What symbol do I use and number line help plzz