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Lubov Fominskaja [6]
3 years ago
6

Please help me solve number 14 and 15

Mathematics
1 answer:
Charra [1.4K]3 years ago
5 0

Answer:

Step-by-step explanation:

Similarity property,

" If the two triangles are similar then their corresponding sides will be proportional."

14). If ΔPQR ~ ΔUVW,

     \frac{PQ}{UV}=\frac{QR}{VW}=\frac{PR}{UW} [Statement}

     \frac{15}{10}=\frac{9}{6}=\frac{6}{4}

     \frac{3}{2}=\frac{3}{2}=\frac{3}{2}  [True}

Therefore, ΔPQR ~ ΔUVW [Theorem - SSS]

15). If ΔFHE ~ ΔDHG,

     \frac{EH}{HG}=\frac{HF}{DH} [Statement]  

     \frac{24}{6}=\frac{36}{9}

     4 = 4

Therefore, ΔFHE ~ ΔDHG [Theorem - AA]

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Any help please thank u
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Dude why did you scible on top of the the choices 
and what is the number of children 
4 0
3 years ago
For ΔABC, ∠A = x + 30, ∠B = 2x - 4, and ∠C = 4x. If ΔABC undergoes a dilation by a scale factor of 1 2 to create ΔA'B'C' with ∠A
Marina86 [1]
ABC
Solve for x
x + 30 + 2x - 4 + 4x = 180 All triangles have 180°. collect like terms.
7x + 26 = 180 subtract 26 to both sides.
7x = 154 Divide by 7
x = 154/7
x = 22
A = x + 30 = 22 + 30 = 52
B = 2x - 4 = 2(22) + 30 = 44 - 4 = 40
C = 4x = 4*22 = 88

Check
<A + <B + <C = 180
<52 + <40 + <88 = 180°
180 = 180

It checks and we are done with this triangle.

A'B'C' 
2x + 8 + x + 18 + 5x - 22 = 180 Collect the like terms.
8x + 4 = 180 Subtract 4 from both sides.
8x = 180 - 4
8x = 176 Divide by 8
x = 176 / 8
x = 22
 
A' = 2x + 8
A' = 2(22) + 8 = 44 + 8 = 52
B' = x + 18 = 22 + 18 = 40
C' = 5x - 22 = 5*22 - 22 = 110 - 22 = 88

Conclusion
A = A'
B = B'
C = C'

All three angles of one triangle are equal to all three angles of the other. So by AA the two triangles are similar.

Comment
Note: the dilation of 12 has nothing to do with this answer. If you were asked about similarity of sides then the 12 would be something to do with the problem. 


3 0
4 years ago
Anyone know the answer?
Allushta [10]
Look At Picture To Get Ur Answer And By The Way I Hope This Helps

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2 years ago
write an expression with 4.3,-1.07 and 2.971. Use only subtraction and addition to come out with a negative number
34kurt

Step-by-step explanation:

You could add (-1.07 + 2.971) to get (1.901)

Then do (1.901 - 4.3) to get a negative number; (-2.399)

I would double check this all with a calculator

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3 years ago
Which describes the range of the parent absolute value function?
posledela
Parent functions are the most basic functions you can find. Familiarity with the basic characteristics of these simple graphs will help you analyze the shapes of more complicated graphs. So the <em>Parent Absolute Value Function</em> is given by:

f(x)=\left | x \right | \\ \\ where: \\ \\ \left | x \right |= \left \{ {{x \ if \ x \geq 0} \atop {-x \ if \ x\ \textless \ 0}} \right.

This function is shown in the figure below. As we can see, the domain of this function is the set of all real numbers while the range is:

\{y/ \ y\ \textgreater \ 0 \}

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4 years ago
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