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3 years ago

Plz hurry hurrrrrrrrrrrrrrrrry

Mathematics

2 answers:

omeli [17]3 years ago

6 0

D. Parallelogram

It's not a rhombus because in a rhombus all sides are equal.

Hope this helps!

SIZIF [17.4K]3 years ago

5 0

It is C parallelogram and rumbus

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PLS help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Darina [25.2K]

9514 1404 393

Answer:

y = -1

Step-by-step explanation:

Sides marked with the same marking are congruent, so we have two equations:

3x -y = 16
2x +y = 9

Adding the equations gives ...

5x = 25

x = 5 . . . . . . divide by 5

Then the second equation tells us ...

y = 9 -2x = 9 -2(5) = -1

The value of y is -1.

5 0

3 years ago

A store sells four printers for every five computers. The store sells 40 computers on Saturday. How many printers did it sell on

aleksley [76]

32 printers were sold:
P:C
4:5
_:40
40/5=8
4x8=32

3 0

3 years ago

Plz..... Solve this questions for me...

faust18 [17]

$6.\\\text{We know}\ 9=3^2.\ \text{Therefore}\\\\9^2=(3^2)^2\\\\\text{use}\ (a^n)^m=a^{nm}\\\\9^2=(3^2)^2=3^{2\cdot2}=3^4\\\\\boxed{3^4=9^2}\\=================$

$7.\\METHOD\ 1:\\\\\sqrt{7^4}=\sqrt{7^{2\cdot2}}\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(7^2)^2}\\\\\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=\boxed{7^2}\\\\METHOD\ 2:\\\\\text{use}\ a^\frac{m}{n}=\sqrt[n]{a^m}\\\\\sqrt{7^4}=7^\frac{4}{2}=\boxed{7^2}\\=================$

$8.\\5^a\times5^b=5^{11}\\\\a)\\\text{use}\ a^n\times a^m=a^{n+m}\\\\5^a\times5^b=5^{a+b}\\\\5^{a+b}=5^{11}\Rightarrow a+b=11\\\\11\ \text{is odd. The sum of even and odd is odd. Therefore}\ a\ \text{and}\ b\ \text{can't be even.}\\--------------------\\\\b)\\5\ \text{solutions}\\\\11=5+6\\11=4+7\\11=3+8\\11=2+9\\11=1+10$

3 0

3 years ago

Need help with this one

Vedmedyk [2.9K]

The answer is 20% since the percentages cancels each other out.

8 0

3 years ago

What is the answer to this question?

andrezito [222]

The second answer which is b the answer is 10 all you do is combine like terms then plug it in and do the next step ill reply when i get the second one

6 0

3 years ago