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2 years ago

The work of a student to find the dimensions of a rectangle of area 8 + 16x and width 4 is shown below:

Mathematics

1 answer:

Leya [2.2K]2 years ago

3 0

Answer:

Step 1: 8 + 16x Step 2: 4(4) + 4(12x) Step 3: 4(4 + 12x) Step 4: Dimensions of the rectangle are 4 and 4 + 12x In which step did the student first make an error and what is the correct step? Step 3; 4 + (4 + 12x) Step 3; 4 + (4 ⋅ 12x) Step 2; 4(2) + 4(4x) Step 2; 4(2) + 4x(2)

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Finding perimeter and area

Korvikt [17]

Answer: The perimeter of a two-dimensional shape is the distance around the shape. It is found by adding up all the sides (as long as they are all the same unit). The area of a two-dimensional shape is found by counting the number of squares that cover the shape.

Step-by-step explanation:

4 0

3 years ago

Can someone please HELP ME

marysya [2.9K]

Answer:

M= (1.5, .05)

N=(4, 3.5)

Step-by-step explanation:

pls mark brainliest

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3 years ago

Simplify: 2b - 15d - 8b + 10b + 12d=

guapka [62]

Answer:

4b-3d

Step-by-step explanation:

first add the like terms

2b - 8b + 10b = 4b

12d - 15d = -3d

then add the results.

5 0

4 years ago

Find the perimeter of quadrilateral ABCD with vertices A(-2,-2), B(-1,3),

drek231 [11]

Answer:

Step-by-step explanation:

Step one

given the coordinates

ABCD with vertices A(-2,-2), B(-1,3), C(5, 3), and D(4, -2)

AB=(-2,-2),(-1,3)

BC=(-1,3), (5, 3)

CD=(5, 3),(4, -2)

DA=(4, -2),(-2,-2)

The distance between points AB=

$AB= \sqrt (x_2-x_1)^2+(y_2-y_1)^2$

$AB= \sqrt (-1+2)^2+(3+2)^2\\\\AB= \sqrt 1^2+(5)^2\\\\AB= \sqrt26\\\\AB=5.1$

The distance between points BC=

$BC= \sqrt (5+1)^2+(3-3)^2\\\\BC= \sqrt 6^2+(0)^2\\\\BC= \sqrt36\\\\BC=6$

The distance between points CD

$CD= \sqrt (4-5)^2+(-2-3)^2\\\\CD= \sqrt -1^2+(-5)^2\\\\CD= \sqrt26\\\\CD=5.1$

The distance between points DA

$DA= \sqrt (4+2)^2+(-2+2)^2\\\\DA= \sqrt 6^2+(0)^2\\\\DA= \sqrt36\\\\DA=6$

Hence the perimeter = 5.1+6+5.1+6

= 22.2

5 0

3 years ago

HELP ASP

kenny6666 [7]

Answer:

The answer js 203 inches and this is the answer because the teacher said it js correct and it will be the correct one

3 0

2 years ago