3 years ago

Pleas help me sovle this

Mathematics

1 answer:

frozen [14]3 years ago

4 0

What exactly are we solving?? the rest of the angles or the perimeter?

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What is the perimeter of this rectangle? * 5 cm 8 cm ar swer

Tju [1.3M]

Answer:

Perimeter of rectangle = 2(l+b)

= 2(8+5)cm

= 2*13 cm

= 26cm

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3 years ago

Help need ASAP Trigonometry

Lana71 [14]

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3 years ago

Describe how to evaluate the expression 3^2 + (21 - 9) X 6÷2. Can someone help me out, please? I'm having trouble, and my teache

mylen [45]

Answer:

$3^2+\left(21-9\right)\times \:6\div \:2=45$

Step-by-step explanation:

Given the expression

$3^2\:+\:\left(21\:-\:9\right)\:\times \:6\div 2$

Follow the PEMDAS order of operations

$3^2\:+\:\left(21\:-\:9\right)\:\times \:6\div 2$

calculate within parentheses $\:(21-9)=12$

$=3^2+12\times \:6\div \:2$

calculate exponents $3^2=9$

$=9+12\times \:6\div \:2$

Multiply and divide (left to right)

$=9+36$

Add and subtract (left to right) $12\times \:\:6\div \:\:2=36$

$=45$

Thus,

$3^2+\left(21-9\right)\times \:6\div \:2=45$

8 0

3 years ago

What is 42x - 7y ? Find the answer to the question please.

zvonat [6]

42x - 7y = 7(6x - y)


I hope this helps

6 0

3 years ago

Read 2 more answers

(3x + 6)-x-x in simplest form??

Mkey [24]

Answer:

x - 6

Step-by-step explanation:

Step 1:

( 3x + 6 ) - 2x

Step 2:

3x - 6 - 2x

Answer:

x - 6

Hope This Helps :)

7 0

4 years ago