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Bad White [126]
3 years ago
11

SOMEBODY PLEASE HELP ITS EASY

Mathematics
2 answers:
artcher [175]3 years ago
7 0

this is an example of the distributive property

Arisa [49]3 years ago
6 0
The answer is Distributive Property
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What is the area of the trapezoid? Leave the answer in simplest radical form. The figure is not drawn to scale.
inn [45]

Answer:

  • 72 ft²

Step-by-step explanation:

The bottom side length of the triangle is the difference between the top base length and the bottom base length:

  13 ft - 5 ft = 8 ft

The vertical side length of the triangle is the same, because the triangle is an isosceles right triangle.

Since we know the base lengths and height of the trapezoid, we can use the usual formula for the area:

  A = (1/2)(b1 +b2)h

  = (1/2)(5 ft + 13 ft)(8 ft) = 72 ft²

6 0
3 years ago
victoria is 4 years older than her neighbor the sun of their ages is no more than 14 years enter an inequality that can be used
Molodets [167]
Neighbour x
victoria v=4+x
v+x<=14

Substitute v with 4+x
4+x+x<=14
4+2x<=14 should be the inequality
4 0
3 years ago
I have no idea how to do this.
Anastasy [175]
The trick to solving problems with mixed units is to convert all of them into one unit or another, so:

There are 12 inches in a foot, so 72 inches = 6 feet.
To find the perimeter of a polygon, sum its sides.
Perimeter = 2 + 5 + 6 = 13 feet.

To find the area of a right triangle (which I assume the one in the picture is), we can use the following equation: A = 0.5 * base * height
There are 3 feet to one yard, so 6 feet = 2 yards.
Area = 0.5 * 2 * 1 = 1 yard^2
7 0
4 years ago
The following estimated regression equation based on 30 observations was presented. ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4 The
trapecia [35]

Answer:

a) = 0.9739

b) = 0.969

c) option A is correct

Step-by-step explanation:

Given that:

sample size n = 30

SST = 1803

SSR = 1756

R^2 = \dfrac{SSR}{SST} \\ \\ R ^2 = \dfrac{1756}{1803} \\ \\  \mathbf{R^2 =0.9739}

The adjusted R_a^2 is computed as:

R_a^2 = 1 - (\dfrac{n-1}{n-p})(1-R^2)

where;

p = k+1 \\ p= 4+1 = 5

R_a^2 = 1 - (\dfrac{30-1}{30-5})(1-0.9739)

R_a^2 = 1 - (\dfrac{29}{25})(0.0261)

R_a^2 = 1 - (1.16)(0.0261)

R_a^2 = 1 -0.030276

\mathbf{R_a^2 \simeq 0.969}

7 0
3 years ago
262 round off to the nearest 100
Lorico [155]
Nearest hundred is 300 anything 50 and above rounds up and below 50 it rounds down
8 0
3 years ago
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