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3 years ago

Need help on this one too

Mathematics

1 answer:

Dafna11 [192]3 years ago

7 0

First let's calculate the measure of our angle.

360 degrees - 296 degrees = 64 degrees.

Now, we can set the sum of our tiny angles equal to the whole angle.

64 degrees = 29 degrees + (x - 24) degrees.

Combine like terms.

64 degrees = 5 degrees + x

Subtract 5 degrees from both sides.

59 = x

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3 years ago

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3 years ago

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IRISSAK [1]

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3 years ago

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A chemist has two alloys, one of which is 5% gold and 20% lead and the other which is 30% gold and 50% lead. How many grams of e

dmitriy555 [2]

The amount of the first alloy is 450 grams and the amount of the second alloy is 30 grams.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have:

A chemist has two alloys, one of which is 5% gold and 20% lead and the other which is 30% gold and 50% lead.

Let's suppose the x is the amount of the first alloy and y is the amount of the second alloy:

We can make two linear equation in two variables:

0.05x + 0.3y = 31.5 ...(1)

0.2x + 0.5y = 105 ...(2)

After solving the above two linear equations by substitution method, we get:

x = 450 grams

y = 30 grams

Thus, the amount of the first alloy is 450 grams and the amount of the second alloy is 30 grams.

Learn more about the linear equation here:

brainly.com/question/11897796

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2 years ago

$10.82 for 2 earmuffs markup rate is 72%. what is the markup and retail price for 2 earmuffs

Katarina [22]

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2 years ago

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Need help on this one too​

Need help on this one too