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neonofarm [45]
3 years ago
12

Given RST~ ABC find value of x.

Mathematics
1 answer:
iragen [17]3 years ago
8 0

x + 6 = 2x - 7

subtract x to both sides

6 = x - 7

add 7 to both sides

13 = x

Check:

x + 16

(13) + 6 = 19

2x - 7

2(13) - 7 = 26 - 7 = 19

19=19

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These algebraic expressions are not equivalent. Explain
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Answer:

in the 1st row, one x^2 is positive while the other is negitive, making the total zero. also in the top row 8x+(-6x) = 2x, but in the 2nd row is says -2x, showing they are not the same. Also there is no -1/2 in the 2nd row like there is in the 1st row

Step-by-step explanation:

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3 years ago
Solve the equation for y.<br> cy + 11 = f<br><br> Can someone help me?!
Ad libitum [116K]

Answer:

y=f−11/c

Step-by-step explanation:

cy+11=f

Step 1: Add -11 to both sides.

cy+11+−11=f+−11

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lorasvet [3.4K]

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
D
ss7ja [257]

The area of the <em>irregular</em> quadrilateral ABCD is equal to 234 square centimeters. (Correct choice: C)

<h3>What is the area of the quadrilateral?</h3>

Herein we have a description of an <em>irregular</em> quadrilateral, whose area must be determined by adding the areas of minor quadrilaterals and triangles that are part of it. The area is now determined:

A = 0.5 · (24 cm) · (7 cm) + 0.5 · (15 cm) · (20 cm)

A = 234 cm²

The area of the <em>irregular</em> quadrilateral ABCD is equal to 234 square centimeters. (Correct choice: C)

<h3>Remark</h3>

The picture with the quadrilateral is missing and is included as attachment.

To learn more on quadrilaterals: brainly.com/question/13805601

#SPJ1

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2 years ago
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Answer:

x = 149, cars and 51 motorcyles

Step-by-step explanation:

4x + 2(200-x) = 698

2x = 298 x = 149, cars and 51 motorcyles

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3 years ago
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