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Ulleksa [173]
3 years ago
11

Plz help ASAP!!!!!!!!!!!!!

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

I’m guessing it’s the first one

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What in the world is eighty plus forty
Maurinko [17]

Answer:

120

Step-by-step explanation:

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8 0
3 years ago
What is the matrix for y+x=4 and 2x-3y=3
andrew11 [14]
Given equations:

x+y = 4;
2x-3y = 3;

Matrix form would be:

\left[\begin{array}{cc}1&1\\2&-3\end{array}\right]   \left[\begin{array}{c}x\\y\end{array}\right] =   \left[\begin{array}{c}4\\3\end{array}\right]

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2 years ago
8. x &lt; 24<br> How do you solve the inequality
notsponge [240]

Answer:

x<3

Step-by-step explanation:

8x<24

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6 0
3 years ago
A man is four times as old as his son. In 3 years, the father will be three times as old as the son. How old is each now?
aivan3 [116]

The man is 27 years old and the son is 9 years old.

We can write the son's age as 'x', and therefore write the man's age as 4x. In 3 years, both their ages will increase by 3, so the son's age is now x + 3, and the man's age is 4x + 3.

We are told that the man is now 3 times older than his son, which means his current age, 4x + 3, is the same as 3 times the son's current age, which is x + 3.

Therefore we can write an equation:

4x + 3 = 3(x + 3)

4x + 3 = 3x + 9

- 3x

x + 3 = 9

- 3

x = 6

We can now substitute this in to find their current ages:

Son's age = x + 3 = 6 + 3 = 9

Man's age = 4x + 3 = 24 + 3 = 27

I hope this helps! Let me know if you have any questions :)

5 0
3 years ago
You buy a pair of jeans at a department store.
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Hopes this helpes  u 68
7 0
3 years ago
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