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Igoryamba
3 years ago
15

Help plz i need it :(

Mathematics
1 answer:
mr_godi [17]3 years ago
6 0

Answer:

B.

C.

D.

E.

Step-by-step explanation:

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Sharon is decreasing the size of a diagram of a leaf that is 30 centimeters long by 10 centimeters wide, if the reduced diagram
sertanlavr [38]

Answer:

12 cm


Step-by-step explanation:

This is a proportionality/similarity problem.

10 cm turned to 4 cm. So by how much has it decreased? In other words, <em>10 multiplied by </em><em>WHAT</em><em> is 4?</em>

10*x=4\\x=\frac{4}{10}\\x=0.4

0.4 is also known as the scale factor from the large diagram to the small diagram.

So how much would 30 cm become?<em> It would be 30 multiplied by the scale factor, which is </em><em>0.4</em><em>.</em>

30*0.4=12

<u>Hence, the length of the reduced diagram would be </u><u>12 cm</u><u>.</u>

7 0
3 years ago
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On a road trip,drove at a speed of 60 miles per hour for the first two hours. She then increased her speed by 25%. How fast was
love history [14]
This can either be done by multiplying with 125% (1.25) or, by dividing by dividing on 4 and adding a part.

This is the easiest way, tho.

60*1.25=75

The correct answer is 75 mph.

4 0
3 years ago
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If the perimeter of the adult pinball machine is 177 inches, what is the lenght, in inches of g'a'?
borishaifa [10]
The length of the paintball machine could vary. If it is a square; then it would be 44.25 in. If it was a rectangle the answer Could be many different lengths, but one is 65 in (Width 23.5 in) I hope this helped ^^
4 0
2 years ago
How would you write the equation with a slope of 2/3 and a y-intercept if -3
worty [1.4K]
Y=2/3x-3. Follow the formula y=Mx+b. M is the slope, and b is the y intercept.
5 0
2 years ago
Use the coordinate plane to help you identify the length of each leg then use the Pythagorean Theorem to find the length of CD
Nitella [24]

Answer:

CE= 9cm, DE= 5cm, CD= 10.2956cm

Step-by-step explanation:

Let E be the point of the other triangle.

Using Pythagoras' Theorem,

CD= square root symbol (CE^2 + DE^2)

= square root symbol (9^2+5^2)

= 10.2956cm (6 sf)

7 0
2 years ago
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