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Ainat [17]
3 years ago
13

What is the length of BE given that BD = 18 and figure ABCD is a parallelogram?

Mathematics
2 answers:
maria [59]3 years ago
7 0

Answer:

16

Step-by-step explanation:

Liula [17]3 years ago
6 0

Answer: D. 9

Step-by-step explanation: If BD is 18 then BE is 9

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For a diamond problem what two numbers' sums equal 31 and their product is 234?
s344n2d4d5 [400]

Let

x-------> the first number

y------> the second number


we know that

x+y=31

x=31-y

equation 1


x*y=234

equation 2


substitute equation 1 in equation 2

(31-y)*y=234\\ 31y-y^{2} =234\\ -y^{2} +31y-234=0



using a graph tool-----> to resolve the second order equation

see the attached figure


the solution is

13 and 18

8 0
3 years ago
Read 2 more answers
-1/6 + 2/3 ( 9 + - 3/4) + - 1/2
Liono4ka [1.6K]
First simplify the section in the parenthesis. 
-1/6 + 2/3(8 1/4) + -1/2 
Then multiply 2/3 by 8 1/4.
-1/6 + 5 1/2 + -1/2 
Add -1/2 to 5 1/2. 
-1/6 + 5 
Add 5 to -1/6. 
4 5/6 is the fully simplified answer. 
Hope this helps!
7 0
3 years ago
Please help thanks !
Kitty [74]

Answer:

option D

Step-by-step explanation:

x^{2} + y^{2} = 16\\\\x^{2} = 16- y^{2}

equation 2:

\frac{x^{2}}{4} - \frac{y^{2}}{25} = 1

so we have:

\frac{16- y^{2} }{4}-\frac{y^{2}}{25}= 1

7 0
3 years ago
In jeremiah class 2/5 of the students are boys. What percent of the in jeremiah's class are boys
Marina CMI [18]
40% are boys. divide 2 by 5 and then multiply by 100
6 0
2 years ago
Read 2 more answers
What is the measure of arc WYZ?<br> ----------<br><br> 231<br><br> 255<br><br> 200<br><br> 168
Nataly_w [17]

9514 1404 393

Answer:

  (a)  231°

Step-by-step explanation:

  arc WYZ = arc WX + arc XYZ

  arc WYZ = 51° +180° . . . . . XZ is a diameter, substitute known arc measures

  arc WYZ = 231°

7 0
3 years ago
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