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4 years ago

How would you locate the point (-3, +7) on a coordinate grid? start at origin

1 answer:

8 0

To the right is postive so negive numbers with be on the left and 7 will be above 0 so locate 3 backwards from 0 and go up 7

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Which expression is equivalent to a^-x A. a^1/x B. -a^x C. 1/a^x D. -1/a^x

Aleks04 [339]

A is the right answer

8 0

3 years ago

Which expression can be used to show a 40% discount on an item costing $74 plus 7% tax?

baherus [9]

Answer:

The expression for the given discount on item is 74 - [0.4 × 74 + 1.07 × 74]

Step-by-step explanation:

Given as :

The market price of item = m.p = $74

The discount percentage on item = 40%

The sale tax added = 7%

The selling price = s.p = $74 + 7% of $74

I.e s.p = 1.07 × 74

Now, from discount

d % = $\dfrac{m.p - s.p}{m.p}$

Or, 40% = $\dfrac{m.p - s.p}{m.p}$

Or, 0.4 = 1 - $\dfrac{s.p}{m.p}$

Or, 0.4 × 74 = ( 74 ) - (1.07 × 74)

Or, 74 - (1.07 × 74) - 0.4 × 74 = 0

Or, 74 - 74 (1.07 + 0.4) = 0

Or, 74 - [0.4 × 74 + 1.07 × 74] = 0

Hence, The expression for the given discount on item is 74 - [0.4 × 74 + 1.07 × 74] . Answer

3 0

3 years ago

Bryce has a coupon for 15% off of his purchase. After the discount, the item was $150. What was the original cost of the item

Dima020 [189]

Answer:

ok so x*0.85=150

so x=176

Hope This Helps!!!

5 0

3 years ago

I will give brainlist

-BARSIC- [3]

The 80% of 50 is 40$
So the sale is 20% which is 10$

7 0

3 years ago

The question is in the image

nekit [7.7K]

Answer:

Step-by-step explanation:

when x = 5 ,

f(5) = - 25 ( 5 - 9 )² + 200 = - 200

when x = 9 ,

f(9) = - 25 ( 9 - 9 )² + 200 = 200

when x = 10 ,

f(10) = - 25 ( 10 - 9 )² + 200 = 175

when x = 15 ,

f(15) = - 25 ( 15 - 9 )² + 200 = -700

∴ when price = $9

the company receive the maximum profit

5 0

3 years ago

Read 2 more answers