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Citrus2011 [14]
3 years ago
11

A triangular flower bed has a base of 12 feet and a high of 28 feet what is the area of the flower bed?

Mathematics
2 answers:
Marrrta [24]3 years ago
7 0

The answer is 336

The reason is because you have to times 12 x 28

Romashka-Z-Leto [24]3 years ago
4 0

Answer:

168

Step-by-step explanation:

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Write the equation for a line that passes through (4,-1) and has a slope of 5
Anit [1.1K]

Answer:

y = 5x - 21

Step-by-step explanation:

Since we already know the slope, all we need to do is plug the values of x and y into the equation.

y = 5x + b

-1 = 5(4) + b

-1 = 20 + b

-21 = b

The equation is y = 5x - 21.

5 0
3 years ago
A rectangular yard is 20 feet by 15 feet. The yard Is covered with grass except for an 8.5 feet. Square flower garden. How much
stich3 [128]

Answer: 227.75\ ft^2

Step-by-step explanation:

<h3> The complete exercise is: "A rectangular yard is 20 ft by 15 ft. The yard is cover with grass except for 8.5 feet square flower garden. How much grass is in the yard?"</h3><h3 />

The area of a rectangle can be calculated with the following formula:

A=lw

Where "l" is the lenght of the rectangle and "w" is the width.

Based on the data given in the exercise, you can identify tha the length and the width of the rectangular yard are:

l=20\ ft\\\\w=15\ ft

Then, you can substitute these values into the formula and then evaluate in order to find the area of the entire yard:

A_y=(20\ ft)(15\ ft)=\\\\A_y=300\ ft^2

The area of the flower garden which is an square, can be calculated with this formula:

A=s^2

Where "s" is the side length.

 In this case you know that:

s=8.5\ ft

Then the area of the flower garden is:

A_g=(8.5\ ft)^2\\\\A_g=72.25\ ft^2

<em> </em>Since this is not covered with grass, you need to subtract both areas calculated above in order to find the surface covered with grass in the yard.

This is:

A_g=300\ ft^2-72.25\ ft^2\\\\A_g=227.75\ ft^2

4 0
3 years ago
A group of scientists is conducting an experiment on the effects of media on children. They randomly select 100 children and ran
Marysya12 [62]

The statements that are true about this study are:

  • This study uses random sampling.
  • This study uses a control group.
  • This study uses a repeated measures design. ​

Random sampling occurs when each sample has an equal probability of being chosen in a study.

This is seen in the random selection of 100 children. The Control group was used with the first group that had no screen time.

The repeated measures design was also used when multiple measurements were taken during different weeks.

Learn more about experiments here:

brainly.com/question/17216882

8 0
3 years ago
A triangle has two sides of lengths 7 and 9. What value could the length of the third side be?
Dominik [7]
X - length of the 3rd side

7+9>x \wedge 7+x>9 \wedge 9+x>7\\&#10;x2 \wedge x>-2\\&#10;x\in(2,16)
5 0
3 years ago
How many dimes are in $5.50? Write the equation.
Alex Ar [27]
5.50 divided by 10 gives you 55. There will be 55 dimes in $5.50 :)
3 0
3 years ago
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