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Slav-nsk [51]
3 years ago
15

Plz help test review due tommorow i need answers! Tell me how you got the answer plz!

Mathematics
1 answer:
Juliette [100K]3 years ago
3 0
Here we have three triangles, and all of them are congruent. (so what's 4 units on one side is also 4 units on the sides of the other triangles)

The perimeter of CAT = CA + AT + CT (the sides of the triangle)
We know that CA = 12 units, since it is labelled.
We know that DG is 4 units, and since AO and TO must be the same length as DG, they are also 4 units. 4 + 4 = 8 units, the length of AT.
We know that CG is 5 units. CG and GT are the same length. 5+5 = 10 = CT
CAT = 12 + 8 + 10  = 30 units

Perimeter of DOG = DO + OG + DG
DG = 4, it is labelled
DO = 5 since it is the same length as CG
We know that CA is 12 units, and it is made up of two equal parts, AD and CD. Therefore AD and CD = 6 units. (half of 12). OG is the same size.
DOG = 4 + 5 + 6 = 15 units
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Someone please help me I suck @ simplifying thank you
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5 0
3 years ago
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A rectangle has a length of x + 5 and width of x - 3. What is the area of the rectangle? Write the answer as a polynomial in sta
goldfiish [28.3K]

Answer:

Step-by-step explanation:

Area = length * width

length: x + 3

width: x - 5

A = (x + 3)(x - 5)

Simplify (x + 3)(x - 5) using the FOIL method:

 

1. First numbers: multiply the first number of each binomial together--x*x = x%5E2

2. Outer numbers: multiply the outer number of each binomial (out of the entire expression, the number farthest to the left (x) and the number farthest to the right (-5))--x*-5 = -5x

3. Inner numbers: multiply the inner number of each binomial--3*x = 3x

4. Last numbers: multiply the last number of each binomial--3*-5 = -15

==> Now, add all of the results together and combine like terms: x%5E2+-+5x+%2B+3x+-+15 = x%5E2+-+2x+-+15

Therefore, A = x%5E2+-+2x+-+15

8 0
3 years ago
Using the data set provided below, order the values from greatest to least.
lianna [129]
The answer will be E
6 0
3 years ago
Does every acute triangle have 3 congruent sides?
Gemiola [76]
No. Just because the angles are all less than 90 degrees, that doesn't tell us anything about the sides. The sides are all congruent ONLY if all 3 angles are 60 degrees each. If the angles all have different sizes, then so do the sides.
4 0
3 years ago
the graph of F(x), shown below, has the same shape as the graph of G(x)=x^4. but it is shifted 3 units to the right. which is it
Naddik [55]

Answer:

<h2>C. F(x) = (x - 3)⁴</h2>

Step-by-step explanation:

f(x) + n - shift the graph of f(x) n units up

f(x) - n - shift the graph of f(x) n units down

f(x - n) - shift the graph of f(x) n units to the right

f(x + n) - shift the graph of f(x) n units to the left

===================================

The graph og G(x) = x⁴ shifted 3 units to the right.

Therefore F(x) = G(x - 3) = (x - 3)⁴

3 0
3 years ago
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