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hodyreva [135]
3 years ago
12

Could someone please help me with this?

Mathematics
1 answer:
ella [17]3 years ago
7 0
I'm not really sure, but I think the answer is D
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Explain how a bar model can be used to show a subtraction problem
9966 [12]
A bar model can be used to a subtraction problem by showing how much of it your actually losing or winning so subtract the totals and you have gotten your answer.
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3 years ago
Number 6 and 7 asap please help
netineya [11]

Hello!

We will write and solve this equation below.

6.

x-24=35

Add 24 to both sides.

x=59

7.

4c=28

Divide both sides by 4.

c=7

I hope this helps!

3 0
3 years ago
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Ashwin helps paint a square mural in his classroom. Then he helps paint a mural in the hallway whose length is 7 feet longer and
Serhud [2]

Ashwin paints 2 murals:

  1. A square mural in his classroom
  2. A mural in the hallway with length 7 feet longer and width 3 feet shorter

Also, x indicates the side length of the mural in the classroom. Since the classroom mural is square in shape, the length and breadth of the mural would be x.

Part A: Expression to represents the two binomials to be multiplied to find the area of the hallway mural

Area of the hallway mural = Length of the hallway mural × Breadth of the hallway mural

So Length of the hallway mural = Length of the classroom mural + 7

⇒ Length of the hallway mural = x + 7

Breadth of the hallway mural = Breadth of the classroom mural - 3

⇒ Breadth of the hallway mural = x - 3

Hence, x + 7 and x - 3 need to be multiplied to determine the area of the mural

Part B: Area of the hallway mural

Area of the hallway mural = Length of the hallway mural × Breadth of the hallway mural

⇒ Area of the hallway mural = (x + 7) × (x-3)

⇒ Area of the hallway mural = x² + 7x - 3x - 21

⇒ Area of the hallway mural = x² + 4x - 21

Part C: Area of the hallway mural if each side of the classroom mural is 8 foot long

Putting the value x = 8 in the answer of Part B

⇒ Area of the hallway mural = 8² + 4×8 - 21

⇒ Area of the hallway mural = 64 + 4×8 - 21

⇒ Area of the hallway mural = 64 + 32 - 21

⇒ Area of the hallway mural = 75 square feet


3 0
3 years ago
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A retirement community has a sign at its main entrance that says "Residents over the age of 55 welcome." Which of the following
IrinaVladis [17]
My best answer is z<55 hope this helps
4 0
3 years ago
Read 2 more answers
Anyways I’m so close! Sleep here I come lol
a_sh-v [17]

Answer:

558

Step-by-step explanation:

930

x 0.40

-------------

372

Next

372

-930

-----------

558

Hope this helped!

3 0
3 years ago
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