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jenyasd209 [6]
4 years ago
15

3. Evaluate the expression (-10) - (-4)

Mathematics
1 answer:
STatiana [176]4 years ago
7 0

Answer:

-6

Step-by-step explanation:

(-10) - (-4)

-10 +4 (because negative multiply by negative is positive)

= -6 (because -10+4 means different signs means you subtract and get the sign of the bigger number)

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541 (484) 783, 437 (?) 642​
alexandr402 [8]

Answer:

541 (484) 783, 437 (410) 642​

Step-by-step explanation:

Required

Fill in the bracket

First, we generate a formula for the first sequence: 541 (484) 783

484 = 2 * [783 - 541]

484 = 2 * [242]

484 = 2 * 242

484 = 484

Using the same formula for the second sequence: 437 (?) 642​

x = 2 * [642 - 437]

Where x represents the empty bracket

x = 2 * [205]

x = 2 * 205

x = 410

3 0
3 years ago
A recipe for lasagna calls for 3 pounds of tomatoes to serve 5 people. A caterer wants to make enough lasagna to serve 110 peopl
kirill115 [55]

This question can be answered using two ratios.

You know that 3 pounds of tomatoes can serve 5 people, giving you the ratio 3/5.

You would like to know how many pounds would serve 110 people, giving you the ratio x/110.

Since the ratio of tomatos to people is a constant, you can set the two ratios equal.

3/5  =   x/110

Now you would solve for x by cross multiplying.

110*3 = 5*x

330 = 5x

330/5 = x

66 = x

This means 66 lbs of tomatoes can serve 110 people.

6 0
3 years ago
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anastassius [24]

Answer:

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Step-by-step explanation:

simple math

3 0
3 years ago
If you treat 2 friends to lunch, the first lunch is 12.25
vivado [14]
So I am guessing your asking what ur saying is how much is all the lunches together it is 24.50
8 0
4 years ago
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Which of these are NOT expressions?<br> x<br> 1=z<br> x=1<br> 1<br> x+z
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Answer:

1, x=1 , 1=z , x

Step-by-step explanation:

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