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3 years ago

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Taylor says ABCD and EFGH are congruent because he can map ABCD to EFGH by multiplying each side length by 1.5 and translating t

he result to coincide with EFGH. What is Taylor's error?

1 answer:

Elina [12.6K]3 years ago

8 0

Answer:

The E came before H

Step-by-step explanation:

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Any help to solve this problem. Provide steps. Thnx

Alekssandra [29.7K]

Answer:

284cm^2

Step-by-step explanation:

first, we split up the shape into seperate sections that we can easily find the areas of.

i will draw vertical lines in the bottom left and right, leaving me with 2 seperate rectangles and 1 irregular pentagon.

we know that these rectangles are 4x8cm, so we do 4 * 8 which gives us 32.

there are 2 of these, so 32 x 2 = 64cm^2.

now, i chose to seperarte the pentagon into a rectangle and a triangle,

and i found the height and width of the rectangle to be (18 - (4+4)) x (8+7), or 10 x 15.

the area of the rectangle is 150cm^2.

now, for the triangle.

the line through the centre of th shape is 22cm long, but we only want the part in the triangle. luckily, there are mesurements that can help us with this.

8 + 7 = 15.

22 - 15 = 7.

now we know that the height of the triangle is 7 cm.

from earlier, we also know the base, which is 10cm.

7 x 10 = 70cm^2.

now we add all these together:

70 + 150 + 64 = 284cm^2

8 0

3 years ago

Read 2 more answers

What must be true of two rational expressions before they can be added

Kisachek [45]

Answer:

reeee

Step-by-step explanation:

4 0

3 years ago

The equation of a circle is given below.

sergeinik [125]

Answer:

Center is $(-12,9)$

Step-by-step explanation:

Given: Equation of a circle is $(x+12)^2+(y-9)^2=35$

To find: center of the circle

Solution:

A circle is a locus of all points which are at equidistant from the fixed point (center).

Equation of a circle is of form $(x-a)^2+(y-b)^2=r^2$ where $(a,b)$ represents center of the circle and r denotes radius of the circle.

Given equation is $(x+12)^2+(y-9)^2=35$

$\left [ x-(-12) \right ]^2+(y-9)^2=35$

Compare this equation with $(x-a)^2+(y-b)^2=r^2$

Center is $(a,b)=(-12,9)$

7 0

4 years ago

7x = 22 <br> What does x equal? Write your answer as a fraction

Veronika [31]

X= 22/7 periodttttttttt

8 0

3 years ago

A certain chalkboard manufacturer determines that their largest blackboard model has a mean length of 5.00 m and a standard devi

Igoryamba

Answer:

23 chalkboards

Step-by-step explanation:

Given:

Mean length = 5 m

Standard deviation = 0.01

Number of units ordered = 1000

Now,

The z factor = $\frac{\textup{x - Mean}}{\textup{standard deviation}}$

or

The z factor = $\frac{\textup{4.98 - 5}}{\textup{0.01}}$

or

Z = - 2

Now, the Probability P( length < 4.98 )

Also, From z table the p-value = 0.0228

therefore,

P( length < 4.98 ) = 0.0228

Hence, out of 1000 chalkboard ordered (0.0228 × 1000) = 23 chalkboard are likely to have lengths of under 4.98 m.

7 0

3 years ago