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3 years ago

13

Sandra you sir debit card to buy lunch for $8.74 on monday on tuesday she deposit 8 and 74 since back until accounts was the ove

rall increase or decrease in her bank account

1 answer:

blsea [12.9K]3 years ago

3 0

I think its increase

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length of a rectangle is 4 inches less than its width, and its perimeter is 24 inches. Which of the following systems of equatio

Anestetic [448]

Answer:

length= 8 width = 4

Step-by-step explanation:

24-8=16

16/2=8

8+8+4+4=16+8=24

4 0

3 years ago

Doug is 2 more than twice the age of Joey.<br> The sum of their ages is 74. How old is Doug?

Citrus2011 [14]

The answer would be 37

4 0

3 years ago

An AutoCAD drawing has a scale of 1/2 inches to 3 ft. If a piece of a bridge measures 17 ft, how long is that piece in the AutoC

Dmitry_Shevchenko [17]

Answer:

It will be 2.83 inches long on the drawing

Step-by-step explanation:

The scale we have is;

0.5 in to 3 ft

This;

x in to 17

17 * 0.5 = 3 * x

8.5 = 3x

x = 8.5/3

x = 2.83 inches

3 0

3 years ago

Which equation represents a line that passes through (2,-1/2) and has a slope of 3 ?

Anna11 [10]

Answer:

C. $y + \frac{1}{2} = 3(x - 2)$

Step-by-step explanation:

Given

$Point: (2,\frac{-1}{2})$

$Slope: 3$

Required

Equation of line

Let m represents the slope of the line;

m is calculated as thus

$m = \frac{y - y_1}{x - x_1}$

$where (x_1,y_1) = (2,\frac{-1}{2})$

$So; x_1 = 2; y_1 = \frac{-1}{2}$

$m = 3$

By substituting the right values in the formula above;

$m = \frac{y - y_1}{x - x_1}$ becomes

$3 = \frac{y - \frac{-1}{2}}{x - 2}$

Multiply both sides by $(x - 2)$

$3 *(x - 2) = \frac{y - \frac{-1}{2}}{x - 2} *(x - 2)$

$3 *(x - 2) = (y - \frac{-1}{2})$

$3 *(x - 2) = (y + \frac{1}{2})$

$3(x - 2) = (y + \frac{1}{2})$

$3(x - 2) = y + \frac{1}{2}$

Reorder

$y + \frac{1}{2} = 3(x - 2)$

Hence, the equation that represents the line is $y + \frac{1}{2} = 3(x - 2)$

4 0

3 years ago

The average height of a family of five is 150 cm. If the height of 4 family members is 153, 150, 151, and 152, find the height o

Lady bird [3.3K]

J can find the height of the fifth member on this way
S=150
S1=153
S2=150
S3=151
S4=152
S5=?
S= (s1+s2+s3+s4+s5)/5:
5*150= <span>153+150+151+152+S5
S5=5*150-606=750-606=144
Answer is 144 cm</span>

5 0

3 years ago