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3 years ago

Please help me.................

Mathematics

1 answer:

Varvara68 [4.7K]3 years ago

8 0

10 feet in guessing Bc it’s 9.5 and the nearest tenth is 10

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Write an expression to represent the length is 6 feet longer than the width

Ivenika [448]

Step-by-step explanation:

Let l be the length of the room, and w be the width.

If the length is 6 feet longer than twice the width, then we can say l = 2w+6

Knowing that the formula for the perimeter of a rectangle is P = 2l+2w, and knowing that P=144 ft, we can say that 2L + 2w= 144 ft.

To find the dimensions, we plug our value for l into our perimeter equation

This gives us the following equation: 144= 2(2w+6) + 2w, which simplifies to 144=4w+12+2w, which further simplifies to 144= 6w+12

To get w on one side of the equation, we subtract 12 from each side, which gives us 132=6w

Dividing each side by 6, we determine that w= 22 ft.

Plugging this value back into our first equation we see that l= 2(22)+6

So l= 50 ft.

So, the dimensions of the room are as follows: length is 50 ft., width is 22 ft.

5 0

3 years ago

Read 2 more answers

WILL GIVE BRANLIEST AND BE SOOO HAPPY PLEASE HELP!!! 30 POINTS SHARE YOUR SMARTNESS!!

OlgaM077 [116]

Step-by-step explanation:

For the 1st picture,

The 2nd option is the answer.

Let say we have

$a_{3}$

Replace it into the recursive formula.

$a_{3} = a_{3 - 2} + (a) _{3 - 1}$

We are given a,1 and a,2 so the 3rd terms has to be

$2$

So the second option is the answer.

For the second picture, a geometric sequence is a group of terms that has the same ratio between each consecutively.

Infinite means going on forever

The fourth option is the answer.

3 0

3 years ago

Read 2 more answers

If a =6, what is the value of 2a(3b + 5c)?

leva [86]

Answer:

Step-by-step explanation:

Put a = 6 to the expression 2a(3b + 5c):

(2)(6)(3b + 5c) = 12(3b + 5c) <em>use the distributive property</em>

= (12)(3b) + (12)(5c) = 36b + 60c

7 0

3 years ago

I need answer please

guapka [62]

Answer:

an answer for what? This one doesn't have a question

4 0

4 years ago

What is the complex conjugate of 7 + 8i ?

Lady bird [3.3K]

Answer:

7-8i

Step-by-step explanation:

to find as complex conjugate, simply change the sign of the imaginary pert (the part with the i). this means that is either goes from positive to negetive or from negetive to positive

as as general rule,the complex conjugate of a +bi is a-bi

3 0

3 years ago