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oksian1 [2.3K]
3 years ago
13

Please help!! Giving brainliest and extra points!! (Click on the photo)

Mathematics
1 answer:
Digiron [165]3 years ago
5 0
the answer is D 4/25 chance of choosing stripe marble
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Can someone answer this please!!
Katyanochek1 [597]

Answer:

<u>The perimeter of the square is option E. 16√5 mm.</u>

<u>The area of the square is option A. 80 mm².</u>

Step-by-step explanation:

1. Let's calculate the perimeter of this square:

The perimeter of a square is the sum of its side 4 times, thus:

Perimeter = 4√5 + 4√5 + 4√5 + 4√5

<u>Perimeter = 16 √5</u>

<u>Perimeter = 4 * 4√5 = 16√5</u>

<u>The correct answer is option E. 16√5 mm</u>

2. Let's calculate the area of this square:

The area of a square is the length of its side squared, thus:

Area = (4√5)²

Area = 4√5 * 4√5

Area = (4 * 4 * √5 * √5)

Area = 16 * 5 = 80

<u>The correct answer is A. 80 mm²</u>

5 0
3 years ago
15 1/2 times 2 1/8 ??
Gelneren [198K]

Answer:

32  \times \frac{15}{16}

Step-by-step explanation:

15 1/2 times 2 1/8 ??

(15 \times \frac{1}{2} ) \times( 2 \times \frac{1}{8} )

15 ×2 =30 +1 =31/2

2×8=16+1=17/8

\frac{31}{2}  \times  \frac{17}{8}

\frac{527}{2 \times 8}

527/16

32 \frac{15}{16}

5 0
2 years ago
Need help please don't understand..​
Amiraneli [1.4K]
200 is the correct answer
3 0
3 years ago
Given the function f(x) = 5x^2 - x + 20, find f(3)<br> A) -20<br> B)-13<br> C) 62<br> D) 64
Viktor [21]
<h3>Answer:  62 (choice C)</h3>

Work Shown:

f(x) = 5x^2 - x + 20

f(3) = 5(3)^2 - 3 + 20

f(3) = 5(9) - 3 + 20

f(3) = 45 - 3 + 20

f(3) = 42 + 20

f(3) = 62

4 0
3 years ago
Read 2 more answers
Help!! 2(3x+4y)=4x+12y
katrin2010 [14]

Answer: x = 2y

Step-by-step explanation:

Let's solve for x.

2(3x+4y)=4x+12y

Step 1: Add -4x to both sides.

6x+8y+−4x=4x+12y+−4x

2x+8y=12y

Step 2: Add -8y to both sides.

2x+8y+−8y=12y+−8y

2x=4y

Step 3: Divide both sides by 2.

<u>2x </u>

2

=

<u>4y </u>

2

x=2y

Answer:

x=2y

5 0
3 years ago
Read 2 more answers
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