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2 years ago

Area. Please help. I don’t understand the question.

Mathematics

2 answers:

photoshop1234 [79]2 years ago

8 0

Answer:

Step-by-step explanation:

aleksandr82 [10.1K]2 years ago

5 0

Answer:

look at the picture i sent

Step-by-step explanation:

do not forget to round the answer

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Which expression is equivalent to the given expression after using the distributive property?

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Answer:

Step-by-step explanation:

4*(x + 5) + 8x = 4*x + 4*5 + 8x

= 4x + 20 + 8x

= 4x + 8x + 20

= 12x + 20

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Which of these characteristics do a rhombus and a rectangle always have in common?

lutik1710 [3]

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3 years ago

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Brayden, Howard, and Vincent are on the football team. During a game, Brayden gains 1 less than 5 times the average number of ya

Gnoma [55]

Answer: If two pair is parallel then it has no solution.

Step-by-step explanation:

Since we have given that

Let the number of gained yards by each player be y

For the case of Brayden:

Equation will be

$y=5x-1\\\\y-5x=-1$

For the case of Howard :

Equation will be

$y=5x+1\\\\y-5x=1$

For the case of Vincent :

$y=4x+5\\\\y-4x=5$

Since First two equations are parallel so it has no solution.

Reason:

$y-5x=1\\\\y-5x=-1\\\\\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}\\\\\frac{1}{1}=\frac{5}{5}\neq \frac{1}{-1}$

Hence, if two pair is parallel then it has no solution.

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3 years ago

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Find the area of a triangle whose sides are 3cm,6cm and 7cm

nadya68 [22]

Answer:

See below

Step-by-step explanation:

It is NOT a RIGHT triangle so you <u>cannot use</u> 1/2 b * h

but you can use Heron's Formula

Area = sqrt( s (s-a)(s-b)(s-c) )

s = semi- perimeter = (3+6+7)/2 = 8

Area = sqrt ( 8 ( 8-3)(8-6)(8-7) ) = sqrt ( 80) = 8.9 cm^2

4 0

1 year ago