MATHEMATICS MIDDLE SCHOOL

What is the perimeter of a square that has a side length of 4x+2

Answers

Answer 1
Answer: Simple...

perimeter, p, is p+p+p+p

In this case..

P=4x+2+4x+2+4x+2+4x+2

P=16x+8

To find the perimeter you must know x..but you don't have enough info.

Thus, your answer...P=16x+8.

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What is the area of the figure? A.
square inches

B.
square inches

C.
square inches

D.
square inches

Answers

Given:
Length = 20 inches
Width = 16 inches
Missing = 8 inches

There are two shapes in the figure. A rectangle and a square.

We need to get the area of the rectangle and the area of the square. Then, subtract the area of the square from the area of the rectangle to get the total area of the figure.

Area of the rectangle = length x width
                                  = 20 in x 16 in
Area of the rectangle = 320 in²

Area of the square = s² = 8² = 64 in²

Area of the figure = 320 in² - 64 in² = 256 in²

HEY GUYS PLEASE HELP ME I WILL MARK WHOEVER EXPLAINS IT WELL AS BRAINLIEST .!! -3X+3Y=24X+2Y=13
REMEMBER I AM SOLVING FOR BOTH X AND Y ASAP I DO NOT HAVE TIME

Answers

-3x + 3y = 24
x + 2y = 13

(x + 2y) - 2y = 13 - 2y
x = 13 - 2y

-3(13 - 2y) + 3y = 24
-39 + 6y + 3y = 24
9y - 39 = 24
(9y - 39) + 39 = 24 + 39
9y = 63
9y ÷ 9 = 63 ÷ 9
y = 7

x + 2y = 13
x + 2(7) = 13
x + 14 = 13
(x + 14) - 14 = 13 - 14
x = -1

When x = -1
y = 7


An easy way to check: 
-3x + 3y = 24
-3(-1) + 3(7) = 24
3 + 21 = 24
24 = 24

Since it is the same on both sides, our answers are correct. 

Can you help me with this one ? Factor 2x2 + 7x + 3.
A.(2x + 1)(x + 3)
B.(2x + 3)(x + 1)
C.(2x + 5)(x + 1)
D.The polynomial is prime.

Answers

(2x + 1)(x + 3) = 2x^2 + 6x + x + 3 = 2x^2 + 7x + 3    A.
2x2 +7x +3
= 4+7x+3
= 7x +11

therefore, the polynomial is prime

Giving brainliest and 34 points. PLEASE ANSWER THIS USING A TABLE AND SHOW ALL STEPS PLEASE!#2 : In three years, Bob will be twice as old as Karen. Two years ago, Bob was three times as old as Karen. How old is Karen now?

#3 :Five years ago, Amy was six years younger than twice Sarah's age. In 4 years, the sum of their ages will be 45 years. How old will amy be in 10 years?

Answers

Answer:

#2 Karen is 7 years old

#3 Amy will be 31 years old in 10 years

Step-by-step explanation:

2#:

  1. b+3=2(k+3)
  2. b-2=3(k-2)
  3. 2b+1=5k
  4. 2b-5k=-1
  5. b-2k=3
  6. 2b-4k=6
  7. 2b-4k-(2b-5k)=6-(-1)
  8. k=7

3#:

  1. a+1=2(s-5)
  2. a+s+8=45
  3. a-2s=-11
  4. a=37-s
  5. 37-3s=-11
  6. -3s=-48
  7. s=16
  8. a=37-16
  9. a=21
  10. 21+10=31

What is the sum of 3 1/10 and 1 3/4 . please help me with this .

Answers

the sum is 4 and 17/20.
first, you have to create a common denominator. the least common multiple of 4 and 10 is 20, so I used that.
since 10 is multiplied by 2 to achieve, twenty, we also multiply 1 by 2, which makes 3 and 2/10
4 on the other hand, is multiplied by 5 to achieve 20, so we multiply 3 by 5 also, which is 15.
from there, we have 3 2/20 + 1 15/20, which equals 4 17/20.
The sum or 3 1/10 and 1 3/4 is 5.
Hope this helped you!

Please rewrite each fraction in at least two different waysa)11/2
b)3/8
c)10/7

Answers

a) 22/4; 33/6; 5.5
b) 6/16; 9/24; 0.375
c) 20/14; 30/21;

Final answer:

To rewrite a fraction in different ways, we can multiply or divide the numerator and denominator by the same number. The given fractions can be rewritten as follows: a) 11/2 can be rewritten as 22/4 or 33/6 b) 3/8 can be rewritten as 6/16 or 9/24 c) 10/7 can be rewritten as 20/14 or 30/21.

Explanation:

To rewrite a fraction in different ways, we can multiply or divide the numerator and denominator by the same number. Let's rewrite the given fractions:

a) 11/2 can be rewritten as 22/4 or 33/6

b) 3/8 can be rewritten as 6/16 or 9/24

c) 10/7 can be rewritten as 20/14 or 30/21

Learn more about Rewriting fractions here:

brainly.com/question/17849714

#SPJ2
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