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PtichkaEL [24]
3 years ago
8

Write an equation from the information given: A rectangle is twice as long as it is wide. The perimeter of the rectangle is 18.

Mathematics
1 answer:
Agata [3.3K]3 years ago
3 0

Let width = x, Therefore the length must equal 2x

Therefore insert these values on the sides of a rectangle.

Add: 2x + 2x + x + x = 18

Therefore 6x = 18

x = 3

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Simplify the expression. Show your work. 22 + (32 – 4 2 )
Alex Ar [27]
You have to use PEMDAS:

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

First, do parentheses.

32 - 42 = -10

22 + -10 = 12

Answer = 12

Hope this helped
Have a great day :)


8 0
3 years ago
Complete the two-column proof by providing a reason for each of the five statements.
Mnenie [13.5K]

Answer:

Step-by-step explanation:

Given:

RUTS is a rectangle.

To prove:

∠USR ≅ ∠SUT

                  Statements                            Reasons

1. RUTS is a rectangle                   1. Given

2. RU = ST, UT = RS                      2. By the definition of a rectangle

3. ∠STU = ∠SRU = 90°                  3. Definition of a rectangle

4. ΔURS ≅ ΔSTU                           4. By the LL theorem of congruence

5. ∠USR ≅ ∠SUT                           5. CPCTC

4 0
3 years ago
Read 2 more answers
What is 15-4-12? I NEED HELP ASAP! Ps we’re learning about subtracting integers on this problem.
Tatiana [17]

It's -1.

15 - 4 = 11

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6 0
2 years ago
4, 02, 03, α4, 28.<br> Find the common difference
hram777 [196]

Answer:

1

Step-by-step explanation:

GCF

5 0
3 years ago
Which explains how to show that x= -8/3 is a root of 9x^2+48x+64= 0 ?
Helen [10]

Step-by-step explanation:

9 {( -  \frac{8}{3}) }^{}  {}^{2}  + 48( -  \frac{8}{3} ) + 64  \\  \\ 9( -  \frac{64}{9} ) -  \frac{48}{3}  + 64  \\  \\  - 64 - 16 + 64 =  - 16

4 0
3 years ago
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