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3 years ago

which expression can be used to model the statement “On Wednesday, Nathaniel earned $10 less than he earned on tuesday”?

Mathematics

2 answers:

Lelu [443]3 years ago

8 0

X+(x-10) would be an expression that you question is asking for.

Ira Lisetskai [31]3 years ago

7 0

Answer:

$y = x-10$

Step-by-step explanation:

Given : “On Wednesday, Nathaniel earned $10 less than he earned on tuesday”

To Find: which expression can be used to model the statement

Solution:

Let x be the amount he earned on Tuesday

Let y be the amount he earned on Wednesday

We are given that On Wednesday, Nathaniel earned $10 less than he earned on tuesday

So, $y = x-10$

Hence the expression can be used to model the statement “On Wednesday, Nathaniel earned $10 less than he earned on tuesday”is $y = x-10$

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inna [77]

Set up an equation for both Sarah and Joe.

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The goal is to get y to equal the lowest number. If we plug in 1 for x for both equations we get:

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3 years ago

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34kurt

We can solve it, but we can't actually use the interactive system they want you to use. Let's see if we can guide you through it.

My guess is you can control the lines by dragging the two points on the line.

Let's make the green line y = 2x + 3

When x=0 we get y=3, point (0,3). That's the y intercept, 3 up on the y axis. Drag one green point there.

When x=2 we get y=7, point (2,7), two to the right, seven up. Drag the other green point there. The green line is now y = 2x + 3.

Similarly the red line is made y = -3x + 3. When x=0, y=3, point (0,3). [Surprise!] When x=2, y=-3, point (2,-3). Drag the red points to (0,3) and (2,-3).

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4 years ago

Use the approach in Gauss's problem to find the sums of the arithmetic sequences below

I am Lyosha [343]

Answer:

15150 is the required sum.

Step-by-step explanation:

Gauss method of summing sequences like this is to add the first term to the last term, the second term to the second to the last term and so on until you get to the middle. By doing this, you will always get the same sum. Then you divide the number of terms by two, because you are technically adding the first half of the sequence to the second half. You then multiply the sum of each pair that gave the same number with the number of terms that has been divided by 2. For this problem we have:

3 + 300 = 303

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9 + 294 = 303

and so on.

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3 years ago

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oee [108]

Answer:

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Step-by-step explanation:

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Let A be the area of the sector of circle.

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3 years ago

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