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REY [17]
3 years ago
7

Solve 7x – 5x – 3 = x + 4. A. x = 7 B. x = –10 C. x = 6 D. x = –8

Mathematics
1 answer:
enot [183]3 years ago
3 0
A. x=7 is the Answer! 
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Step-by-step explanation:

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In 2011, a firm books the following:  increase in cash, $0; increase in inventories $13; increase in accounts receivable, $29; i
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What is the image of the point (-1,-2)after a rotation of 180∘
igor_vitrenko [27]

Answer:

The image of the point is (1, 2)

Step-by-step explanation:

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  • If the point (x, y) rotated about the origin by angle 270° counterclockwise, then its image is (y, -x)

Let us use the rules above to solve the question

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→ By using the 2nd rule above change the signs of x and y coordinates

∴ Its image is (1, 2)

∴ The image of the point is (1, 2)

4 0
3 years ago
Read 2 more answers
Find a number such that one-half of the number is 9 less than two-thirds of the number
dimulka [17.4K]
Let's say, the number is "a"
thus        \bf \cfrac{1}{2}a=\cfrac{2}{3}a-9\implies \cfrac{a}{2}=\cfrac{2a}{3}-9\implies \cfrac{a}{2}=\cfrac{2a-27}{3}

cross-multiply and solve for "a"
3 0
3 years ago
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