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Dovator [93]
2 years ago
13

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER. Find the area of t

he trapezoid
A=___ft^2

Mathematics
1 answer:
Leto [7]2 years ago
4 0

Answer:

105ft^2

Step-by-step explanation:

1/2(21+14)*6

1/2(35)*6

17.5*6

105

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the sum of two numbers is 3 3/4 if 1/3 of the larger number is 1/2 more than 2/3 of the smaller find the number
Agata [3.3K]
Let us assume the larger number = x
Let us assume the smaller number = y
Then
x + y = 3 3/4
x + y = 15/4
And
x/3 = (2y/3) + 1/2
x = [3 * (2y/3)] + (3/2)
  = 2y + (3/2)
Now putting the value of x from the second equation to the first , we get
x + y = 15/4
2y + (3/2) + y = 15/4
3y = (15/4) - (3/2)
3y = (15 - 6)/4
3y * 4 = 9
12y = 9
y = 9/12
   = 3/4
Now putting the value of y in the first equation, we get
x + y = 15/4
x + (3/4) = (15/4)
x = (15/4) - (3/4)
   = (15 - 3)/4
   = 12/4
   = 3
So the value of x or the larger number is 3 and the value of y or the smaller number is 3/4.
3 0
3 years ago
Show 16300000 in standard form
mel-nik [20]
Sixteen million three hundred thousand
7 0
3 years ago
there 7 adult adult chaperones and two third of the participants rode a large bus but if 54 people rode a large bus how students
statuscvo [17]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~

54 * (2/3) = 36 students were on the bus.

54 - 36 = 18 chaperones were on the bus.

3 0
3 years ago
Read 2 more answers
Kevin and Conner are selling subs and sandwiches for a fundraiser. Kevin sold 25 subs and 18 sandwiches for a total of $209.50.
AleksandrR [38]

Answer:

1 sub = $5.50; 1 sandwich = $4.00

Step-by-step explanation:

You can solve this using a matrix and solving using reduced row-echelon form.

5 0
3 years ago
Read 2 more answers
Confused! Need help please!! Will mark brainliest!
ziro4ka [17]

Yo sup??

This question can be solved by applying the properties of similar triangles

the triangle with sides 5x and 20 is similar to the triangle with sides 45 and 35

The similarity property used here is called AAA ie angle angle angle property as all the three angles of the 2 triangles are equal.

therefore we can say

5x/45=20/36

x=5 units

Hope this helps

7 0
3 years ago
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