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lyudmila [28]
3 years ago
14

Https://youtu.be/WQA8htRMylU​

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0
What is this video about
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Use this system of linear equations to solve for x. 3x+5y=6 and 2x+y=4​
Oduvanchick [21]

Answer:

x=2

HPT 3x+5y=6 (1) và 2x+y=4 (2)

Nhân phương trình (2) với 5 để hệ số y của 2 phương trình bằng nhau. Ta có:

(2)⇔ 10x+5y=20(3)

Trừ (3) cho (1), có: 7x+0y=14⇒x=2

8 0
3 years ago
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A chef uses 3\frac{3}{4} pounds of semolina flour and 1\frac{5}{8} pounds of whole wheat flour for each batch of pasta she makes
Irina-Kira [14]

Answer:

huh ?

Step-by-step explanation:

7 0
3 years ago
Hal, Zelda, Maya, and Jason each recorded the height and age of five classmates. They used the data to create the tables below.
KonstantinChe [14]
Age is the x values and height is the y values. In order to be a function, there can be no repeating x values...they all have to be different. You can have repeating y values, just not the x ones. So look at all the x columns (ages) and u will notice that the only one that does not have any repeating x values is Hal's results....no x's are the same and it is therefore, a function.
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3 years ago
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Select all of the terms that are "like."<br> xy2<br> 2xy<br> x2<br> -xy<br> 2x2y<br> xy
Alinara [238K]
Xy2 and 2xy are the only ones with common factors

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3 years ago
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Kenji had 1/4 of a pizza left over. He ate 1/2 of the leftovers. How much of a pizza did he eat?
german

Answer:

1/8

Step-by-step explanation: 2/8=1/4

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3 years ago
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