How many lines of symmetry does an rectangle have

Mathematics

1 answer:

Alex73 [517]2 years ago

6 0

Answer:

It has 2 i hope it's correct :)

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Please help I don't understand!

coldgirl [10]

Answer:

Step-by-step explanation:

I believe because on the other side it is AE over ED so I just repeated the pattern.

6 0

1 year ago

Which of these expressions CANNOT be simplified by combining like terms?

densk [106]

$5ab^{3} +7-3a^{2} b ^{2} +a^{3}b+10$ can be simplified to by adding the 7 and 10 to get $a^{3}b-3a^{2} b ^{2}+ 5ab^{3} + 17$ .

$5ab^{3}+3a^{2}b^{2}+a^{3}b -10$ cannot be simplified any more by combining like terms.

By distributing the 2b into the parentheses, you can simplify the expression:
$5ab^{3}+2b(3ab^{2})+a^{3}b-10\\
5ab^{3}+6ab^{3}+a^{3}b-10\\
11ab^{3}+a^{3}b-10$

Here you can just add:
$5a^{3}b^{3}+3a^{2}b^{2}+a^{3}b^{3}-10ab\\
6a^{3}b^{3}+3a^{2}b^{2}-10ab$

Thus, the only expression that cannot simplify any more using adding like terms is the second, $5ab^{3}+3a^{2}b^{2}+a^{3}b -10$ .

3 0

2 years ago

Read 2 more answers

Jordan invested $800 in a savings account the interest rate is 6% per year find the simple interest earned in three years then f

Olegator [25]

Principal , P =$800

Rate , r = 6% = 0.06

Time , t = 3 years

Simple Interest = P*r*t = 800*0.06*3 = $144

Total Interest plus Principal = $800 + $144 = $944

5 0

3 years ago