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Viktor [21]
3 years ago
9

SOMEONE PPS SHOW ME HOW TO DO THIS???

Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0
A(total) = A(big rectangle) + A(triangle) - A(sml rectangle)

At = 15(10) + (1/2)(15)(5) - (5)[10 - (2+5)]
At = 172.5 unit sq.
You might be interested in
Square root of 75 plus square root of 3
olya-2409 [2.1K]
Answer:
6√3

Explanation:
Before we begin, remember the following:
\sqrt{a*b} = \sqrt{a}  *  \sqrt{b}
m \sqrt{a} + n \sqrt{a}  = (m+n) \sqrt{a}

Now, for the given:
75 can be written as 25*3
This means that:
\sqrt{75} = \sqrt{25*3}
Applying the above concept, we can find that:
\sqrt{75} = \sqrt{25*3} = \sqrt{25}  *  \sqrt{3}
Now, we know that:
√25 = 5 (we ignored the negative value)

This means that:
√75 = 5√3

Finally, we can compute the needed sum as follows:
√75 + √3 = 5√3 + √3 = 6√3

Hope this helps :)

8 0
3 years ago
Read 2 more answers
(x+5)²=81<br><br><br><br><br> need help quick
Vilka [71]
Square root each side
x-5=positive/negative 9
x=14, and -4
5 0
3 years ago
After selling tickets to a dance for $3.25 each, the student council brought in $1020.50 from ticket sales. How many tickets did
Ratling [72]
314....1020.50/3.25 the decimal moves two places to the right in both numbers
7 0
3 years ago
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The measure of the vertex angle of an isosceles triangle is 120. What is the measure of a base angle
Hunter-Best [27]
The measure of the base angles are 30
8 0
3 years ago
Setting 7\3 equal to which ratio would result in a valid proportion?​
12345 [234]

Answer:

14/6

Step-by-step explanation:

x 2 to make 7 x 2 and 3 x 2

8 0
3 years ago
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