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Tatiana [17]
3 years ago
15

5 +4.2 + 5 – 2. 2 - 1​

Mathematics
2 answers:
Liula [17]3 years ago
7 0
14.2 - 2.2 - 1
12 -1
11

Hope this helps
WINSTONCH [101]3 years ago
7 0

Answer:

11

Step-by-step explanation:

You would add 5 + 4.2 + 5 - 2.2 - 1 in a calculator and it would come out to be 11.

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Stacy goes to the county fair with her friends. The total cost of ride tickets Is given by the equation c = 3.5t, where c is the
murzikaleks [220]
C = 3.5t....when t = 15
c = 3.5(15)
c = 52.50 <==
5 0
3 years ago
For what value of r is the parallelogram a rhombus
Gre4nikov [31]

Answer:

9

Step-by-step explanation:

7r+18=r²

r²-7r-18=0

factorizing

r²+2r-9r-18=0

r(r+2)-9(r+2=0

(r-9)(r+2)=0

r-9=0

r=9

check

(r²)=(9*9)=81

7r+18=7(9) + 8=81

5 0
3 years ago
Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a rectangle ​
Marta_Voda [28]

Answer:

prove that opposite sides are congruent and parallel

Step-by-step explanation:

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8 0
2 years ago
Write 90,523 in Word form
azamat
Ninety thousand five hundred twenty three
3 0
3 years ago
Read 2 more answers
27
katrin2010 [14]

Answer:

A  ≈ 35.3 units²

Step-by-step explanation:

Calculate the radius CB using Pythagoras' identity in the right triangle.

CB² + AB² = AC²

CB² + 6² = 9²

CB² + 36 = 81 ( subtract 36 from both sides )

CB²  = 45 = r²

Then area of quarter circle is

A = \frac{1}{4} × πr² = \frac{1}{4} × π × 45 ≈ 35.3

6 0
3 years ago
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