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Stolb23 [73]
3 years ago
13

PLEASE HELP ME 10 POINTS

Mathematics
1 answer:
Furkat [3]3 years ago
5 0
B is 3, m is 0.75 x is number of miles
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When Ricardo was 9 years old, he was 56 inches tall. By age 12, he had increased his
Schach [20]

Answer:

He is 62.72 inches tall now

Step-by-step explanation:

the twelve over 100 is the percentage, he increased by 12 percent. and the x over 56 is the new value (x) over the old value. We get 6.72 so we add that to 56 to get 62.72.

6 0
3 years ago
Find the area of triangle DEF with vertices D(-1,2), E(3,-2) and F(-2,-2).*
Veronika [31]

Answer:

<em>The area of the triangle DEF is 10.</em>

Step-by-step explanation:

<u>Area of a Triangle:</u>

A triangle of base B and height H (both must be perpendicular) has an area of:

\displaystyle A=\frac{BH}{2}

The image below shows the triangle formed by the points DEF. It's important to notice the points E and F lie on the same horizontal line because they both have the same y-coordinate.

This fact simplifies the calculations since we can easily compute the length the of base as the difference of their x-coordinates:

B=3-(-2)=3+2=5

Being the base of a horizontal line, the height of the triangle can be calculated as the difference of y-coordinates of D and the height of that line.

H=2-(-2)=4

With these two values, we calculate the area:

\displaystyle A=\frac{5*4}{2}=10

The area of the triangle DEF is 10.

4 0
3 years ago
Can anyone plz help me
ser-zykov [4K]

Answer:

C. Veggie Delight

Step-by-step explanation:

1/5 is 20 cents so 40 cents make a pound then you compare them to the rest.

6 0
3 years ago
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A bag contains 10 colored marbles - 4 red, 4 blue and 2 green.
alexira [117]

the probability would be 100% if your smart

Step-by-step explanation:

ok so think of this if you have 10 marbles but it never said anything about getting rid of marbles ,you can get rid of four marbles.

3 0
2 years ago
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A ladder is 74 inches tall. How tall is it in feet and inches?
vivado [14]

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Step-by-step explanation:

3 0
3 years ago
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