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Kay [80]
3 years ago
5

GIVING 20 POINTS!!

Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0

Answer:

b

Step-by-step explanation:

cause I smart

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Please help me I will mark u as brainlyest answer
dsp73

Answer:

D, D, G, G,

Step-by-step explanation:

1st. Decay: This is decay because number being multiplied is less than 1.

2nd. Decay:This is decay because number being multiplied is less than 1.

3rd. Growth: This is growth because the number being multiplied is greater than 1.

4th.Growth:This is growth because the number being multiplied is greater than 1.

8 0
3 years ago
A small backyard measures 45 feet on one side. The other side measures h+ 20 feet. How many feet around is the yard?
Kryger [21]
The answer is 25 feet
3 0
3 years ago
Read 2 more answers
4(x+9)=8x-7<br> Solve for x
valentina_108 [34]

Answer:

x = 10.75

Step-by-step explanation:

4(x+9)=8x-7

Step 1: Distribute the 4 to the x and 9

4 * x = 4x

4 * 9 = 36

We now have 4x + 36 = 8x - 7

Step 2: add 7 to both sides

36 + 7 = 43

-7 + 7 cancels out

We now have 4x + 43 = 8x

Step 3 subtract 4x from both sides

4x - 4x cancels out

8x - 4x = 4x

We now have 4x = 43

step 4 divide both sides by 4

4x / 4 ( the 4s cancel out and we're left with x )

43/4 = 10.75

We're left with x = 10.75

3 0
2 years ago
the length of a rectangle is 4cm longer than the width. the perimeter is 80cm. find the length and the width.
skelet666 [1.2K]

Answer:

I think it is 20cm

Step-by-step explanation:

divide 80 by 4 =20 cm

7 0
3 years ago
What is the area of this irregular figure knowing that the formula for the area of a rectangle is l x w.
Lubov Fominskaja [6]

9514 1404 393

Answer:

  42 cm²

Step-by-step explanation:

The attachment shows a couple of ways the figure can be considered.

a) Left and Right rectangles that are 5 cm high and 3 cm wide, together with a central rectangle that is 3 cm high and 4 cm wide. Then the total area is ...

  5×3 + 3×4 + 5×3 = 15 + 12 + 15 = 42 . . . . cm²

__

b) An enclosing rectangle that is 5 cm high and 10 cm wide with a cut-out that is 2 cm high and 4 cm wide. Then the total area is ...

  5×10 -2×4 = 50 -8 = 42 . . . . cm²

__

The area of the irregular figure is 42 cm².

3 0
3 years ago
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