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nydimaria [60]
3 years ago
8

If a/b=5/3, then 3a=

Mathematics
2 answers:
Komok [63]3 years ago
4 0

Answer:

3a=5b

Step-by-step explanation:

Ket [755]3 years ago
3 0

Answer:

15

Step-by-step explanation:

assuming a/b=5/3 means a = 5 and b = 3, then 3a would be 3(5) which is 15

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Suppose PR = 54, solve for QR<br> 4x-1<br> 3x-1<br> P<br> R
Svet_ta [14]

Answer:

QR = 23

Step-by-step explanation:

P, A, and R are collinear.

PR = 54

PQ = 4x - 1

QR = 3x - 1

To solve for the numerical length of PR, let's generate an equation to find the value of x.

According to the segment addition postulate:

PQ + QR = PR

(4x - 1) + (3x - 1) = 54 (substitution)

Solve for x

4x - 1 + 3x - 1 = 54

Combine like terms

4x + 3x - 1 - 1 = 54

7x - 2 = 54

Add 2 to both sides

7x - 2 + 2 = 54 + 2

7x = 56

Divide both sides by 7

\frac{7x}{7} = \frac{56}{7}

x = 8

QR = 3x - 1

Plug in the value of x into the equation

QR = 3(8) - 1 = 24 - 1

QR = 23

5 0
3 years ago
HURRY FIRST GETS BRAINLLEST The diagram below shows a circular pizza with a diameter of 14 inches. The pizza is in a square box
boyakko [2]

Answer:

pls do mark my answer as the brainliest..........

Step-by-step explanation

portion of square empty =  256 - 153.86 = 102.14cm^2

8 0
3 years ago
"The solution to the system is (#,#)." I'm really tired and for my life don't know the solution. Help please!
Anna71 [15]

Answer: (4,-5)

Step-by-step explanation:

8y = -40

(divide by 8)

y = -5

(plug it in to one of the equations)

3x + 6*-5 = -18

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3x = 12

x = 4

6 0
3 years ago
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iragen [17]

Answer:

86

Step-by-step explanation:

=> 7+(10-4)^2 /4 (\frac{1}{2} )^3

=> 7+(6)^2 / 4(\frac{1}{8})

=> 7+36 / \frac{1}{2}

=> 43 * 2

=> 86

8 0
3 years ago
Identify the property being illustrated:<br><br> (12 + 5) + 21 = 12 + (5 + 21
ad-work [718]
Associative property
8 0
3 years ago
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