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enot [183]
3 years ago
6

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Mathematics
2 answers:
MrRa [10]3 years ago
8 0

Answer:

b. 5 × 5 × 8

Step-by-step explanation:

"...the total area is five feet × five feet times eight"

Equation:

(5 × 5) × 8

Simply remove brackets:

5 × 5 × 8

Vinil7 [7]3 years ago
4 0

Answer:

B. 5 × 5 × 8

Step-by-step explanation:

Each of the boards have an area of 25. You have 8 of them.

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Pls help thank you<br><br>168 = -84n<br><br><br><br><br><br><br><br><br>​
Ghella [55]

Answer:

n = -2

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
What is the value of 2 + b(a? + 4) when a = 2 and b = 4?
Rom4ik [11]

Answer:

26

Step-by-step explanation:

2+4(2+4)

=2+(4)(6)

=2+24

=26

3 0
2 years ago
A. Write the formula for the area A of a trapezoid. Use b1 and b2 for the lengths of the bases, and use h for the height.
lesya692 [45]

Answer:

(a) The formula for the area A of a trapezoid

                 A = \frac{1}{2}(b_{1}+ b_{2})h

(b) Solve the formula for h

                 h = \frac{2A}{b_{1}+b_{2}}

(c) Find the height h of the trapezoid

     The height h of the trapezoid is 6 cm.

Step-by-step explanation:

(a) The formula for the area A of a trapezoid

As b₁, b₂ being the lengths of the bases and 'h' is the height.

So, the formula for the area A of a trapezoid

A = \frac{1}{2}(b_{1}+ b_{2})h

(b) Solve the formula for h

As the formula for the area A of a trapezoid is  

A = \frac{1}{2}(b_{1}+ b_{2})h

So, formula for height h of trapezoid

h = \frac{2A}{b_{1}+b_{2}}

(c) Using the new formula to find the height h of the trapezoid

Using  h = \frac{2A}{b_{1}+b_{2}} to find the height h of the trapezoid.

So,

h = \frac{2A}{b_{1}+b_{2}}

h = \frac{2(72)}{16+8} ∵b₁ = 16, b₂ = 8, A = 72cm²

h = \frac{144}{24}

h = 6 cm

So, h = 6 cm

Hence, The height h of the trapezoid will be 6 cm.

Keywords: area of trapezoid, length, base, height

Learn more about height of trapezoid from  brainly.com/question/9967451

#learnwithBrainly

8 0
3 years ago
Find the equation of the parabola with vertex (1,3) and focus (1/2,3).
daser333 [38]

Answer:

A (y-3)^2 = -2(x-1) is the correct choice :)


4 0
3 years ago
Angle ADB and CD are straight lines.
Arada [10]

Answer:

150 degrees

Step-by-step explanation:

5 + 1 = 6

180 : 6 = 30

30 x 5 = 150

7 0
3 years ago
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