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DochEvi [55]
3 years ago
11

Can you guys help please with all of the questions please

Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0

Answer:

Step-by-step explanation:

a) $1.60 and $2.25

b)Unit rate

20 pens for $1.60

One pen=\frac{1.60}{20}=0.08

25 pens for $2.25

onepen=\frac{2.25}{25}=0.9

c)20 pens for $1.60 is best buy

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Given X(4, -7). What are the coordinates of X" if
Vika [28.1K]
<h3>Answer:</h3>

B. (0, 9)

<h3>Step-by-step explanation:</h3>

Reflection across x=a is represented by the transformation ...

... (x, y) ⇒(2a-x, y)

Reflection across y=b is represented by the transformation ...

... (x, y) ⇒ (x, 2b-y)

The double reflection, across x=2, y=1 will result in the transformation ...

... (x, y) ⇒ (2·2-x, y) ⇒ (4-x, 2·1-y) ⇒ (4-x, 2-y)

For (x, y) = X(4, -7), the transformed point is ...

... X''(4-4, 2-(-7)) = X''(0, 9)

6 0
3 years ago
Which is the equation of a line with a slope of -1 and a y-intercept of -6?
nikklg [1K]

Answer:

y= -1x - 6

I really hope this helps you!

3 0
3 years ago
Subtract fifteen and eighty-eight ten thousandths from twenty-six. Express your answer in numerical and word form.
Arlecino [84]

Answer:

4.9912 or four and nine thousand nine hundred twelve thousandths

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A map is made of a park. The scale from the park to the map is 36 mi to 6 cm. The length of Great Oaks Trail is 4.5 cm on this m
Ilya [14]

Answer:

Salamander Trail is longer than Great Oak Trail

Step-by-step explanation:

The given parameters are;

The scale of the map is 36 mi = 6 cm

The length of Great Oak Trail = 4.5 cm

The scale of a different map is 24 mi = 3 cm

The length of Salamander Trail = 3.5 cm

Therefore, we have;

The actual length of Great Oak Trail based on the first map is given as follows;

36 mi = 6 cm

6 cm = 36 mi

1 cm = 36 mi/6 = 6 mi

4.5 cm = 4.5 × 6 mi = 27 mi

The actual length of Salamander Trail based on the second  map is given as follows;

24 mi = 3 cm

3 cm = 24 mi

1 cm = 24 mi/3 = 8 mi

3.5 cm = 3.5 × 8 mi = 28 mi

Therefore, Salamander Trail with an actual length of 28 mi is longer than Great Oak Trail which has an actual length of 27 mi.

7 0
3 years ago
A dollar bill is 6.14 inches long, 2.61 inches wide, and 0.0043 inches thick. If you laid 1 million dollar bills end to end, how
navik [9.2K]
The answer would be 97 when rounded to the nearest mile (if you were were going for length)
4 0
3 years ago
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