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svet-max [94.6K]
3 years ago
8

How can i find the surface area of a rectangle

Mathematics
2 answers:
omeli [17]3 years ago
3 0

Answer:

Legenth times width

Step-by-step explanation:

Studentka2010 [4]3 years ago
3 0

Answer:

The area is equal to width times hight (a=w*h)

Step-by-step explanation:

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Please Hurry!!!!<br><br> Find f(-5) if f(x) = 5x + 11.
Naya [18.7K]

Answer:

-14

Step-by-step explanation:

f(-5)=5(-5)+11

f(-5)= -25+11

f(-5)= -14

4 0
3 years ago
Andy purchased a pair of shoes for $40. They had been discounted 25%. What was the original price of the shoes
natali 33 [55]

Answer:160


Step-by-step explanation:first I did 40*100=4000 then I divide by 25 so I got 160


4 0
3 years ago
An isosceles triangle in which the two equal sides, labeled a, are longer than the base, labeled b. This isosceles triangle has
Bas_tet [7]
Hey there! I’m happy to help!

We see that the two equal sides are longer than the base. This means that our a will be larger than b. The problem says that one of the longer sides is 6.3. Since the two longer sides are equal, that means that both longer sides are 6.3 cm. Therefore, we can simply subtract these two from the perimeter to find the shorter side, which is the base.

15.7-6.3-6.3=3.1

Therefore, the length of the base is 3.1 cm.

I hope that this helps!
3 0
3 years ago
The graph of the function g(x)= x^2+3x-4 is shifted 5 units to the left
omeli [17]
<h2><em><u>HEYA</u></em></h2>

<h3>THE MID TERM SPLITTING OF THE EQUATION IS :</h3>

{x}^{2}  + 3x - 4

{x}^{2}  + 4x - x - 4

x(x + 4) - 1(x + 4)

x =  -4 \: and \: 1

x = 1

now shifted to 5 units left

therefore,

x=-4

hope it helps you mate thanks for the question and if possible please mark it as brainliest

5 0
3 years ago
Estimate the perimeter of the figure to the nearest whole number.
Paha777 [63]

Answer:

The perimeter (to the nearest integer) is 9.

Step-by-step explanation:

The upper half of this figure is a triangle with height 3 and base 6.  If we divide this vertically we get two congruent triangles of height 3 and base 3.  Using the Pythagorean Theorem we find the length of the diagonal of one of these small triangles:  (diagonal)^2 = 3^2 + 3^2, or (diagonal)^2 = 2*3^2.

Therefore the diagonal length is (diagonal) = 3√2, and thus the total length of the uppermost two sides of this figure is 6√2.

The lower half of the figure has the shape of a trapezoid.  Its base is 4.  Both to the left and to the right of the vertical centerline of this trapezoid is a triangle of base 1 and height 3; we need to find the length of the diagonal of one such triangle.  Using the Pythagorean Theorem, we get

(diagonal)^2 = 1^2 + 3^2, or 1 + 9, or 10.  Thus, the length of each diagonal is √10, and so two diagonals comes to 2√10.

Then the perimeter consists of the sum 2√10 + 4 + 6√2.

which, when done on a calculator, comes to 9.48.  We must round this off to the nearest whole number, obtaining the final result 9.

4 0
3 years ago
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