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san4es73 [151]
3 years ago
5

Find the surface area.

Mathematics
1 answer:
Triss [41]3 years ago
3 0

Answer:

196 ft^{2}

Step-by-step explanation:

Surface are of 2 rectangles = 2(2*4) = 16 ft^{2}

surface are of the base rectangle = 4*3 = 12 ft^{2}

Area of tow triangles =2( \frac{1}{2} * 2* 2)= 4ft^{2}

total = 16+12+4

= 196 ft^{2}

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Kin made a Picture frame for a square picture with sides that are 5f-4 inches long. Framing the picture adds 2 inches to the len
elena-s [515]

The perimeter of a shape is the sum of its side lengths

The expressions for the perimeter of the frame are 4(l + 2) and 4l + 8

<h3>How to determine the perimeter of the shape</h3>

The side length of the frame is given as l

So, the perimeter of the frame is

:P = 4l

When 2 inches are added to each length, the perimeter of the frame becomes

P =4(l + 2)

Expand

P =4l + 8

Hence, the expressions for the perimeter of the frame are 4(l + 2) and 4l + 8

Read more about perimeter at:

brainly.com/question/24571594

3 0
2 years ago
Which inequality represents all values of X for which the product below is defined
balandron [24]

The domain for which the function is defined is given by:

D. x \geq 4.

<h3>What is the domain of a function?</h3>

The domain of a function is the set that contains all possible input values for the function.

A square root is only defined for non-negative values, hence:

  • x - 4 \geq 0 \rightarrow x \geq 4.
  • x + 1 \geq 0 \rightarrow x \geq -1.

The intersection of these two domains is x \geq 4, hence option D is correct.

More can be learned about the domain of a function at brainly.com/question/10891721

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6 0
2 years ago
If this rectangle is enlarged by a scale factor of 3, what is the perimeter of the enlarged rectangle?
iragen [17]

Answer:

45m

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
(I'm so lost I need help with this question!!!)
lozanna [386]

Answer:

1. 5 cm

2. 7.07 cm

Step-by-step explanation:

According to your provided information, the area of a square is A = s^2. They also tell you that the area of the square in the picture is 25cm^2. That means that, to find the length of any side (s), you just need to plug 25 in as the area. So

25 = s^2 ... Take the square root of both sides to isolate s.

s = ±5 ... But since we're talking about length, we only take the value positive five. (Length can't be a negative value.)

Now we have the length of any side as 5 cm, and they want us to find the length of the diagonal. We can use the Pythagorean theorem, a^2 + b^2 = c^2, where c will be the diagonal we want. We can do this because we know that ANY side of this square is s = 5, so if we plug that into a^2 + b^2 = c^2, we get

5^2 + 5^2 = c^2 ... 5 times 5 is 25

25 + 25 = c^2 ... Add

50 = c^2 ... Take the square root of both sides

c = √50 ... Use a calculator

c ≈ 7.07

8 0
3 years ago
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A plane contains at least two noncollinear points.
creativ13 [48]

Answer:

its FALSE

Step-by-step explanation:

NONE

6 0
4 years ago
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