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3 years ago

Compare the expressions. 40 -16 plus 10 ? -20 plus 18 plus 30

Mathematics

2 answers:

Harman [31]3 years ago

8 0

We just need to do come computation:

$40-16+10 = 40+(-16+10) = 40+(-6) = 40-6=34$

$-20+18+30 = -2+30 = 28$

So, we have 34>28

iragen [17]3 years ago

3 0

this answer is:

34>28

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Can someone help geometry is confusing

NikAS [45]

<LMP and <NMP are supplementary angles so sum = 180

<LMP + <NMP = 180

(-16x + 13) + ( - 20x + 23) = 180

-16x + 13 - 20x + 23 = 180

-36x + 36 = 180

-36x = 144

x = -4

<LMP = -16x + 13 = -16(-4) + 13 = 77

<NMP = - 20x + 23 = - 20(-4) + 23 = 103

Answer

<LMP = 77°

<NMP = 103°

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2 years ago

A company sells its printers to customers in order to make a profit of 25% calculate the price the company paid for a printer wh

ioda

The company paid $2000 for the printer

Step-by-step explanation:

Let x be the price of the printer for which the company bought it.

If x is the price of printer, then 25% of x will be the profit made by the company.

That is:

0.25x

According to the statement,

The cost and profit earned by company are equal to 2500

So,

$x+0.25x = 2500\\1.25x = 2500$

Dividing both sides by 1.25

$\frac{1.25x}{1.25} = \frac{2500}{1.25}\\x = 2000$

Hence,

The company paid $2000 for the printer

Keywords: Percentage, Profit

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3 years ago

List all the integers between -0.6 and 4.17

Igoryamba

-0.5,-0.4,-0.3,-0.1,0,1,2,3,4,4.17

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2 years ago

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Tia performed an experiment where she flipped a coin 200 times. The coin landed heads up 92 times and tails up 108 times. Which

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only the first statement is true - it is the experimental probability. the rest is incorrect: the ratio is not the number of trials; the theoretical probability should be 0.5 (for unbiased coins); ratio never represents a number of occurences.

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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

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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

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

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