2 years ago

How do you write 11 tens has £

Mathematics

1 answer:

Simora [160]2 years ago

3 0

<span>11 tens = 11 x 10 = 110

answer
</span><span>£110</span>

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Lunna [17]

Answer:

Step-by-step explanation:

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What is the common factors of 12 and 42 also 63 and 84

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2 years ago

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The answer is 122222

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. Evaluate the numerical expression 25 + 3 * 12 - 44 = 4

Crazy boy [7]

Answer:

25 + 3*12 - 44 = 4

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2 years ago

How many pounds of a 23% zinc alloy must be mixed with a 42% zinc alloy to make 516 pounds of a 37.25% zinc alloy?

nydimaria [60]

Answer:

(A)129 Pounds

Step-by-step explanation:

Let x be the number of 23% zink alloy

Therefore:

Since the total result is 516 pounds

The number of pounds of 42% zink alloy =516-x pounds

We then have the resulting equation:

0.23x+0.42(516-x)=0.3725*516

0.23x+216.72-0.42x=192.21

Colect like terms

0.23x-0.42x=192.21-216.72

-0.19x=-24.51

Divide both sides by 129

x=129 pounds

Therefore, the number of pounds of 23% zink alloy that must be mixed is 129 pounds.

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2 years ago