3 years ago

Help me what to write a word phrase for each algebraic expression. Please help.

1 answer:

3 0

#1: The sum of q and 5
#2: Twelve times x

Please do as many as you can by yourself and ask questions about those that are hard for you.

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Neko [114]

Answer:

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3 years ago

Find the area of the triangle below.

d1i1m1o1n [39]

Answer:

45.5

Step-by-step explanation:

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3 years ago

PLEASE HELP!!! (WILL GIVE BRAINLIEST FOR CORRECT ANSWER :)

cestrela7 [59]

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2 years ago

Square ABCD is located on a coordinate plane. The coordinates for three of the vertices are listed below.

Marrrta [24]

Answer:

B'(16,14)

Step-by-step explanation:

First find the coordinates of the vertex B. The center of the square M is the midpoint of the diagonal AC. Since A(2,7) and C(8,1), the center has coordinates

$M\left(\dfrac{2+8}{2},\dfrac{7+1}{2}\right)=M(5,4).$

Point M is also the midpoint of the diagonal BD. Let B has coordinates (x,y), then

$\dfrac{x+2}{2}=5\Rightarrow x=8,\\ \\\dfrac{y+1}{2}=4\Rightarrow y=7.$

Hence, B(8,7).

Now, the dilation by a scale factor 2 with the center of dilation at the origin has the rule

(x,y)→(2x,2y).

Thus,

B(8,7)→B'(16,14).

8 0

3 years ago