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2 years ago

which of these expressions is the same as 6 × (a 2)? a 6 × a 6 × 2 b 6 (a × 2) c (6 × a) 2 d a × (6 2)

Mathematics

2 answers:

Marianna [84]2 years ago

8 0

The Answer is :

B. 6 (a x 2)

Good luck<3

Thepotemich [5.8K]2 years ago

4 0

B. 6 (a x 2)
is your answer

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yKpoI14uk [10]

Answer:

Step-by-step explanation:

I dont know if its right but I think you have to subtract 30% from seven since the equation is not being specific and I came up with 4.9 but dont quote me on it im just giving a educational guess

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2 years ago

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A contractor is building a pool labeled ABCD on the plans. If AC = 5y + 6 and BD = 8y-3, what value of y ensures the pool is a r

KIM [24]

The value of y that ensures the pool is a rectangle is 3. Option D

<h3>How to determine the value</h3>

The formula for perimeter of a rectangle is expressed as;

Perimeter = 2 ( length + width)

It is important to note that parallel sides of a rectangle are congruent, that is, they are equal.

Given the sides as;

AC = 5y + 6
BD = 8y-3

5y + 6 = 8y -3

collect like terms

5y - 8y = -3 - 6

-3y = -9

Make 'y' the subject

y = 3

Thus, the value of y that ensures the pool is a rectangle is 3. Option D

Learn more about rectangles here:

brainly.com/question/25292087

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3 0

1 year ago

Find the sale price. Original price: $50 Discount: 15%

Brut [27]

100% = 50
10% = 5
5% = 2.5
15% = 7.5
50 - 7.5 = $42.50

3 0

2 years ago

there are 32 children in my class fun size treats come in bags of 20.what is the smallest number of bags .I must buy so that eac

AfilCa [17]

If you buy 5 bags each kid can get 3 pieces of candy . Or you can buy 4 bags and each kid can have two

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2 years ago

What are the exact solutions of x2 + 5x + 1 = 0? (5 points)

Rus_ich [418]

Answer:

$x=\frac{-5\pm\sqrt{21} }{2}$

Step-by-step explanation:

We use the quadratic formula here which says for a quadratic equation $ax^2+bx+c=0$ .

$x= \frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Now in our case

$a=1\\b=5\\c=1$

so we have:

$x=\frac{-5\pm\sqrt{5^2-4(1)(1)} }{2(1)} =\frac{-5\pm\sqrt{21} }{2}$

$\boxed{x=\frac{-5\pm\sqrt{21} }{2} }$

Which are our solutions.

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3 years ago