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3 years ago

6

A local store is advertising a shirt on sale for 40% off the original price. The sale price is $21.00. What was the original pri

ce for the shirt?

1 answer:

pishuonlain [190]3 years ago

8 0

Answer:

$35

Step-by-step explanation:

If $21 is 60% of the original price, then the original price is ...

21 = 0.60p

21/0.60 = p = 35

The original price is $35.00.

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Work out 3/4 of 7kg please help

enot [183]

3/4 of 7 kg = 21/4 kg = 5 and 1/4kg = 5.25kg

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3 years ago

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What is the slope of the line that passes through the pair of points (1/3, -1) and ( -2, 9/2)

UkoKoshka [18]

Answer:

$\boxed{m = - \frac{33}{14} }$

.

Step-by-step explanation:

Use the form below

$\boxed{\boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }}$

Where

$m$ is a slope
$(x_1,~y_1)$ and $(x_2,~y_2)$ are the point of the line

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So, the slope is

$(\frac{1}{3} ,~ -1) \to x_1 = \frac{1}{3} ~and~y_1 = -1$

$(-2,~ \frac{9}{2} ) \to x_2 = -2~and~y_2 = \frac{9}{2}$

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$m = \frac{\frac{9}{2} -(-1)}{-2-\frac{1}{3} }$

$m = \frac{\frac{11}{2} }{\frac{-7}{3} }$

$m = \frac{11}{2} \div (-\frac{7}{3} )$

$m = \frac{11}{2} \times (-\frac{3}{7} )$

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3 years ago

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Lupita bought 7 pounds of pretzels at a local wholesaler for $16.80. Her friend Charles bought 5 pounds of pretzels at the super

Galina-37 [17]

Answer:

Charly has the better buy

Step-by-step explanation:

The unit cost is

=16.8/7

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Unit cost

=12.75/5

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3 years ago

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lina2011 [118]

Step-by-step explanation:

4x² + 11x - 3 = 0

(4x-1)(x+3) = 0

x = 1/4, -3

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Have no idea how to do this-- Could someone show me how please.

motikmotik

Answer:

well E is (-7,-7) F is (-2,-3) G is (-1,-6)

Step-by-step explanation:

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3 years ago