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2 years ago

Which of the following are valid names for the given triangle? Check all that apply.

Mathematics

2 answers:

Georgia [21]2 years ago

7 0

Answer:

A, D and E are correct options.

Step-by-step explanation:

We are given,

The vertices of the triangle are A, X and T.

While writing the names of a triangle, only the vertices are used.

So, we have that the possible names of the given triangle are,

ΔTAX ΔATX ΔXAT

ΔTXA ΔAXT ΔXTA

Then, according to the options, the valid names for the triangle are,

A. ΔTAX

D. ΔXTA

E. ΔAXT

vfiekz [6]2 years ago

6 0

When naming triangles we name them by the letters on each corner so only answers with T, A, and X in them are correct, so TAX, XTA, and AXT

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Could someone help me with this ASAP? thanks !

Maru [420]

<h3>Answer:</h3>

A. $6x^2$ +-5x+14x+-35

$6x^2$ +9x-35

B. $5x^4+-3x^3+10x^3+-6x^2$

$5x^4+7x^3-6x^2$

C. $25x^2+-20x+20x+-16$

$25x^2-16$

D. $x^4+-4x^2+-7x^2+28$

$x^4-11x^2+28$

$====================================$

Step-by-step explanation:

A. (3x*2x)+(3x*-5)+(7*2x)+(7*-5)

Multiply and simplify.

$6x^2$ +9x-35

B. ( $x^2*5x^2$ )+( $x^2*$ -3x)+(2x $*5x^2$ )+(2x $*-3x$ )

Multiply and simplify.

$5x^4+7x^3-6x^2$

C. $(5x*5x)+(5x*-4)+(4*5x)+(4*-4)$

Multiply and simplify.

$25x^2-16$

D. $(x^2*x^2)+(x^2*-4)+(-7*x^2)+(-7*-4)$

Multiply and simplify.

$x^4-11x^2+28$

I hope this helps!

But you should really do this yourself.

3 0

3 years ago

2+4x8+(5 - 1)²÷(6 + 2)

nirvana33 [79]

2+32+16÷8 2+32+2 36 That's the answer 36

4 0

3 years ago

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How many pairs of parallel lines do a hexagon have

FinnZ [79.3K]

3 pairs since a hexagon has 6 sides

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3 years ago

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PLEASEEEEEE HELP <br> Given: △ABC, D∈AC<br> m∠BDC=m∠ABC<br> AD=7, DC=9<br> Find: BC, BD/BA

Sergio [31]

Answer:

Step-by-step explanation:

Given: △ABC, D∈AC , m∠BDC=m∠ABC , AD=7, DC=9.

Solution: Let BC=x, From the given figure and the given information, it can be seen that △ABC is similar to ΔBDC by AA rule, thus using the proportionality theorem, we get

$\frac{AC}{BC}=\frac{BC}{DC}$

⇒ $\frac{16}{x}=\frac{x}{9}$

⇒ $x^{2}=144$

⇒ $x=12$

⇒BC=12

Now, calculate the similarity scale,

k= $\frac{AC}{BC}$

= $\frac{16}{12}=\frac{4}{3}$

Therefore, $\frac{BA}{BD}=\frac{4}{3}$

⇒ $3BA=4BD$

⇒ $BA=\frac{4}{3}BD$

3 0

2 years ago

A bookstore has 36 copies of the latest bestseller and they fit exactly on 3 shelves. The bookstore ordered another 120 copies.

lesya [120]

Answer:

Step-by-step explanation:

First, to find out how many book fit on one shelf, you will need to divide the total number of books by the toal number of shelves:

36 books / 3 shelves = 12 books/shelf

Because the question says that the bookstore order <em>another</em> 120 copies, this is means that the 120 books is in addition to the original 36 books.

Because we already know that the 36 books require 3 shelves, we still need to find how many shelves 120 books needs. So, we can divide books by number of how many books <em>can</em> fit on a shelf:

120 books / 12 books per shelf = 10 shelves

So to find the total number of shelves needed, add the number of shelves together:

3 + 10 = 13 shelves

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2 years ago