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3 years ago

Multiply (6v+5)(412-2v+7) then simplify the expression

Mathematics

2 answers:

Lunna [17]3 years ago

5 0

Simplified answer,, -12v^2+2504v+2095

faust18 [17]3 years ago

4 0

Answer: $=-12v^2+2504v+2095$

Step-by-step explanation:

Given the expression:

$(6v+5)(412-2v+7)$

You need to apply Distributive property, but first remember the multiplication of signs:

$(+)(+)=+\\(+)(-)=-\\(-)(-)=+$

Then:

$(6v+5)(412-2v+7)=2472v-12v^2+42v+2060-10v+35$

Finally, you can simplify the expression by adding the like terms:

$=-12v^2+2504v+2095$

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A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk

S_A_V [24]

Answer:

Patrick walk approximately <u>112 yards</u>.

Step-by-step explanation:

Given:

A rectangular field is 50 yards wide and 100 yards long.

Patrick walks diagonally across the field.

Now, to find the distance he walk.

Length of the field = 100 yards.

Width of the field = 50 yards.

Now, to get the diagonal distance we put formula:

$Diagonal = \sqrt{length^2+width^2}$

$Diagonal = \sqrt{100^2+50^2}$

$Diagonal = \sqrt{10000+2500}$

$Diagonal = \sqrt{12500}$

$Diagonal = 111.80$

Therefore, Patrick walk approximately 112 yards.

6 0

2 years ago

Simplify. (-5.12) - (-4.7) (7.021)

aksik [14]

First, you should do the product first:
(-4.7)* (7.021)= -32.9987

Then, let's do the subtraction:
(-5.12)- (-32.9987)
= (-5.12)+ 32.9987
= 27.8787

Final answer: 27.8787

Hope this would help~

7 0

2 years ago

Read 2 more answers

Leona answered all the questions on a test. She had 90% of them correct. There were 40 questions in all. How many did she have c

KengaRu [80]

Answer:

The answer is 36

Step-by-step explanation:

Let the number be <em>x</em>

x/40 is her mark

she got 90% mark correct

x/40 x 100 = 90

by cancellation we get 9 x 4 = 36

HOPE THIS HELPS

6 0

3 years ago

Which of the following represents the value of y ? Round to the nearest tenth .

lesya [120]

The answer I think is b

4 0

3 years ago

PLEASE HURRY THANK YOU!!!!

klemol [59]

Answer:

-125

Step-by-step explanation:

[-5]^3 = -125

7 0

2 years ago

Read 2 more answers