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Gelneren [198K]
2 years ago
14

A teacher wrote this experssion on the board (-6)(2)+(-8÷4) what is the vaule of this expression

Mathematics
1 answer:
VLD [36.1K]2 years ago
3 0

Answer:

-14

Step-by-step explanation:

(-12)+(-2)

You solve using Pemdas, doing the (-8/4) first, and then doing (-6)(2)

The answer is the two values added together.

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An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each metal are needed to make 3.6 kg
ivolga24 [154]

Answer:

Nickel= 1.8 kg

Zinc= 0.4 kg

Copper= 1.8 kg

Step-by-step explanation:

7:2:9

7=nickel

2=zinc

9=copper

7+2+9=18

18×2=36

7×2=14 2×2=4 9×2=18

Divide by 10

14÷10=1.4 4÷10=0.4 18÷10=1.8

1.8+1.4+0.4= 3.6

1.8=nickel

0.4=zinc

1.8=copper

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250 gram as a percentage of 1 kg ​
kodGreya [7K]

Hey there!

Answer: 25%

\rightarrow \:  (\sf{ \frac{250}{1000} ) \times 100}

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5 0
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The total dinner bill at a buffet came out to $589 for 31 people.About how much was the buffet cost per person?
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589/31

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