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AleksandrR [38]
3 years ago
11

Nigel paints 5/4 square yards in 1/3 hour.How much did he paint in 5 hours

Mathematics
1 answer:
White raven [17]3 years ago
6 0

Answer:

18\frac{3}{4}\ yd^{2}

Step-by-step explanation:

we know  that

using proportion

\frac{(5/4)}{(1/3)}\frac{yd^{2}}{hours}=\frac{x}{5}\frac{yd^{2}}{hours}\\\\x=5*(5/4)/(1/3)\\\\x=\frac{75}{4}\ yd^{2}\\\\x=18\frac{3}{4}\ yd^{2}

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You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.
liraira [26]

APR refers to annual interest rate i e 4.5%

Difference:-

  • 800-640
  • 160$

Now

Interest:-

  • 160(0.045)
  • 7.20$

Total savings:-

  • 160+7.20
  • 167.20$

Remember the code:-

  • Question's calculations mostly given in its options
4 0
2 years ago
Plot point C(2,7). If M is the midpoint of CD , what are the coordinates of D?
Y_Kistochka [10]

Answer:

The coordinates of D is (-4,-9)

Step-by-step explanation:

Given

C = (2,7)

<em>M=(-1,-1)  ----- Missing part of question</em>

Required

Determine the coordinates of D

<em>Let the coordinates of D be (x₂,y₂)</em>

<em>We'll solve this question using mid point formula;</em>

<em></em>M(x,y) = (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})<em></em>

<em>Where</em>

C(x_1,y_1) = (2,7)    and     M(x,y) = (-1,-1)

Put these values in the formula

(-1,-1) = (\frac{2+x_2}{2},\frac{7+y_2}{2})

By comparison;

-1 = \frac{2+x_2}{2}  and -1 = \frac{7+y_2}{2}

-1 = \frac{2+x_2}{2}

Multiply both sides by 2

-2 = 2 + x_2

Subtract 2 from both sides

-2 -2 = x_2

x_2 = -4

-1 = \frac{7+y_2}{2}

Multiply both sides by 2

-2 = 7 + y_2

Subtract 7 from both sides

-2 - 7 = y_2

y_2 = -9

<em>Hence, the coordinates of D is (-4,-9)</em>

4 0
3 years ago
Allen drove 90 miles in 2 and 1/4 hours at a constand speed, how many miles did he drive in one hour.
Bumek [7]
Use property of proportion:

miles           time (hs)
   90              2.25
    x                   1

x = 90 ÷ 2.25
x = 40 miles


8 0
2 years ago
HELP PLEASEEEEEE NO LINKS PLEASE 20PTS!!!!
nevsk [136]

Answer:

x = 5

Step-by-step explanation:

3x + 11 = 26

3x = 15

x = 5

5 0
3 years ago
The triangular park shown below is going to be surrounded by a fence the dimensions of the park are given in feet. How many feet
Ksenya-84 [330]

Answer:

its 65

Step-by-step explanation:

7 0
3 years ago
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