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Olenka [21]
2 years ago
9

????????????????????????????? can someone do this thanks

Mathematics
2 answers:
elixir [45]2 years ago
6 0

Answer:

32

Step-by-step explanation:

Because 15/24=1.6

Therefore 1.6*20=32

1.6*20 Because 20 is the laps and 1.6 is the minutes per lap.

shusha [124]2 years ago
5 0

Answer:

ima say 32 bc i used a calculator

Step-by-step explanation:

You might be interested in
Write 0.87 as a fraction in simplest form.
TEA [102]
Write the decimal number as a fraction
(over 1)
0.87 = 0.87 / 1

Multiplying by 1 to eliminate 2 decimal places
we multiply top and bottom by 2 10's

Numerator (N)
N = 0.87 × 10 × 10 = 87
Denominator (D)
D = 1 × 10 × 10 = 100

N / D = 87 / 100

Simplifying our fraction

= 87/100

<span>= 87/100</span>
8 0
3 years ago
19. Describe the sequence of transformations from quadrilateral WXYZ to W"X"Y"Z"
Tpy6a [65]

Answer:

The sequence is as following:

1. Reflection 180°

2. Reflection over the line x=5  

3. Translation 2 units down.

Step-by-step explanation:

The question is as following:

Describe the sequence of transformations from Quadrilateral WXYZ to W”X”Y”Z”.

The picture is a coordinate plane with

W= (-8,8)

X= (-2,8)

Y= (-2,4)

Z= (-8,4)

W”= (2,-10)

X”= (8,-10)

Y”= (8,-6)

Z”= (2,-6)

=================================

See the attached figure

The sequence is:

Reflection 180° ⇒ Reflection over the line x=5 ⇒ translation 2 units down.

Rule of reflection 180° is (x, y) → (–x, –y)

Rule of reflection over the line x=5 is (x, y) → (–x+10 , y)

Rule of translation 2 units down is (x, y) → (x , y–2)

The way of thinking:

1. The rectangle at the second quadrant, we need make it at the fourth quadrant, so, the suitable is <u>Reflection 180°</u>

2. After reflection 180°, it is noticed that we need reverse the vertices so we need to make a reflection over its vertical axis which is at <u>x = 5</u>

3. We need to translate it 2 units down to overlap with the required coordinates.

<u>Check the points:</u>

W(-8,8) ⇒ (8,-8) ⇒ (2,-8) ⇒ (2,-10)⇒W"

X(-2,8) ⇒ (2,-8) ⇒ (8,-8) ⇒ (8,-10)⇒X"

Y(-2,4) ⇒ (2,-4) ⇒ (8,-4) ⇒ (8,-6)⇒Y"

Z(-8,4) ⇒ (8,-4) ⇒ (2,-4) ⇒ (2,-6)⇒Z"

5 0
2 years ago
Which type of rock results from melting and cooling of magma?
Levart [38]

Answer:

Igneous Rocks

Step-by-step explanation:

Alsooo this is Mathematics not science

6 0
2 years ago
In june 2005 peter mailed a package from his local post office in fayetteville north carolina to a friend in radford virginia fo
erik [133]

0.23w = 2.07

w = 2.07 ÷ 0.23

w = 9 ounces

7 0
3 years ago
I don’t understandddd
earnstyle [38]

Answer:

N = 10

Step-by-step explanation:

-17+ x/5 = 33

You have to find x, in this case is N

x/5 = 33 + 17

x/5 = 50

x= 50/5

x =10

N= 10

8 0
3 years ago
Read 2 more answers
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