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Sergeeva-Olga [200]
3 years ago
9

Solve by using substitution. Express your answer as an ordered pair.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
5 0
(7,4) hope that helps!
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A DVD was priced at $2.87 last week. This week the same DVD is priced at $10.59. What is the percent increase in price?
solniwko [45]

Answer:

Percentage increase = 269%

Step-by-step explanation:

Price of a DVD last week = $2.87

Price of the same DVD this week = $10.59

Increase in the price of DVD between last week and this week = 10.59 - 2.87

= $7.72

Therefore, percentage increase in the price of DVD = \frac{\text{Increase in the price}}{\text{Price of DVD last week}}\times 100

= \frac{7.72}{2.87}\times 100

= 268.99

= 269%

6 0
3 years ago
I need to know the slope of the line <br><br> Help
densk [106]

Answer:

-3

Step-by-step explanation:

4 0
3 years ago
A) 12 ➗ ( 2 x 3 ) - 2<br><br> b) 12 ➗ 2 x ( 3 - 2 )
vlabodo [156]

Answer:

a) 0

b) 6

Step-by-step explanation:

a)12 ÷ 6 - 2 = 2 - 2

b)12 ÷ 2 = 6 × 1

6 0
4 years ago
Help please........................
yawa3891 [41]
A dilation means that a shape is expanded or shrunk by a scale factor. The scale factor is 4, so all the points are multiplied by 4 to reflect this expansion.

A reflection over the y-axis means that the y-values in the points change their sign from positive to negative, and vice versa.

Therefore, the points will become the following:
A''(12,-12), B''(-4, -12), C''(-16,-4), D''(0, -4)

This new shape will be similar to the original shape, since it shares the same shape, but not the same size.

The answer is A.
7 0
4 years ago
→
Juli2301 [7.4K]
Answer 5.1
Order them from least to greatest and find the middle number. Or by calculating the mean by adding together the middle values and dividing them by two.
3 0
2 years ago
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