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Anestetic [448]
3 years ago
15

Help!!!!! please!!!!!

Mathematics
2 answers:
Crazy boy [7]3 years ago
8 0

Answer:

108cm^{3}  (B)

Step-by-step explanation:

Find the area of the triangle first.

6 * 4  = 24/2 = 12

Multiply by the width.

12 * 9 = 108

UNO [17]3 years ago
8 0

Hey there! :)

Answer:

B. V = 108 cm³.

Step-by-step explanation:

Find the volume of the triangular prism using the formula:

V = 1/2(bh) where b = l × w

Solve for the base:

b = 4 × 9

b = 36 cm²

Plug this into the formula for the volume:

V = 1/2(36 · 6)

V = 1/2(216)

V = 108 cm³. The correct answer is B.

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Vertex of x^2-10x+30
Shtirlitz [24]

The easiest way to find the vertex is to convert this standard form equation into vertex form, which is y = a(x - h)^2 + k.

Firstly, put x^2 - 10x into parentheses: y = (x^2 - 10x) + 30

Next, we want to make what's inside the parentheses a perfect square. To do that, we need to divide the x coefficient by 2 and square it. In this case, the result is 25. Add 25 inside the parentheses and subtract 25 outside of the parentheses: y = (x^2 - 10x + 25) + 30 - 25

Next, factor what's inside the parentheses and combine like terms outside of the parentheses, and your vertex form is: y = (x - 5)^2 + 5.

Now going back to the formula of the vertex form, y = a(x - h)^2 + k, the vertex is (h,k). Using our vertex equation, we can see that the vertex is (5,5).

3 0
3 years ago
Read 2 more answers
HELP ASAP!! 10 minuets left! lots of points
VLD [36.1K]

Answer:

130 yd^2

Step-by-step explanation:

First we find the area of the triangle

A = 1/2 b h  where b is 10 and h= 6.25

A = 1/2 (10) * 6.25

   = 31.25 yd^2

Then we find the area of rectangle A

A = l*w  where l is 10 and w = (7.5-2.5) = 5

A = 10 * 5

   = 50 yd^2

Then we find the area of rectangle B

A = l*w  where l is 6.5 and w = 7.5

A = 6.5 * 7.5

   = 48.75 yd^2

The total area is found by adding them together

A triangle + rectangle A  + rectangle B

31.25+50 + 48.75

130 yd^2

5 0
2 years ago
Please Answer It Fast
Maru [420]

Answer:

8

Step-by-step explanation:

a clock is

12

11 1

10 2

9 3

8 4

7 5

6

The number horizontally opposite of 4 is 8

4 0
3 years ago
Read 2 more answers
Mia spent 30 minutes answering the math questions on the exam. This was 1/4 of the total amount of time allotted for this sectio
KIM [24]

Answer:

Mia multiplied one side of the equation by 5/3 and the other side by 3/5. This makes the equation unbalanced and untrue. x should be 50

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Plssss help <br> I need AC
Zolol [24]

Answer:

AC = 18

Step-by-step explanation:

Using the cosine ratio in the right triangle and the exact value

cos30° = \frac{\sqrt{3} }{2} , then

cos30° = \frac{adjacent}{hypotenuse} = \frac{AC}{AB} = \frac{AC}{12\sqrt{3} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2 AC = 12\sqrt{3} × \sqrt{3} = 12 × 3 = 36 ( divide both sides by 2 )

AC = 18

3 0
2 years ago
Read 2 more answers
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