4 years ago

Seven more than one half a number as an equation

Mathematics

1 answer:

romanna [79]4 years ago

5 0

Answer:

1/2x+7

Step-by-step explanation:

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If x+y=4 and x−y = a, then what does x equal?

EastWind [94]

Answer:

a/2+2

Step-by-step explanation:

Adding the 2 equations you get

2x=a+4 (divide by 2 so find x)

a/2+2

7 0

3 years ago

One number is 3 1/3 larger than the other. The tripled sum of these numbers is 133.What is the largest number?

ElenaW [278]

Let denote the two numbers with X and Y. n represent one number

Y=X + 3 1/3

The sum of the two numbers is: X+Y=X + X + 3 1/3

The triple sum is: 3(X + X + 3 1/3)

3(X + X + 3 1/3) = 133

3X + 3X + 10 = 133

6X + 10 = 133

6X = 123

X = 12 1/2 , Y= X+ 3 1/3 = 12 1/2 = 3 1/3 is the largest number

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4 years ago

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How many inches are in 4 feet 5 inches

vladimir2022 [97]

Answer:

53 inches

Step-by-step explanation:

multiply the length value by 12

4 0

3 years ago

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The measures of the angles of a triangle are shown in the figure below. Solve for x. 49° 59° (5x+7)°

Lisa [10]

Answer:

<h2><u>ᎪꪀsωꫀᏒ</u></h2>

➪x= 13

Step-by-step explanation:

49+59+5x+7=180

115+5x= 180

5x = 180-115

5x= 65

x= 65/5

x= 13

hope it's helpful to you

$\sf{}$

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3 years ago

Easy math (17 points))

zhenek [66]

Answer:

A-8.25 B-43.2 C-248.5

Step-by-step explanation:

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