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3 years ago

8

The table above shows the number of hours that Robin worked each week for 5 weeks. What would be the number of hours Robin worke

d in days?

1 answer:

ELEN [110]3 years ago

8 0

Robin would have worked a total of 10 days!!! Hope this helps :) :) :)

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Given r=3 and a center of (3,5)? Find the equation of the circle in standard and general form.

alukav5142 [94]

9514 1404 393

Answer:

(x -3)^2 +(y -5)^2 = 9
x^2 +y^2 -6x -10y +25 = 0

Step-by-step explanation:

The standard form equation for a circle of radius r and center (h, k) is ...

(x -h)^2 +(y -k)^2 = r^2

For radius 3 and center (3, 5), this is ...

(x -3)^2 +(y -5)^2 = 9 . . . . standard form equation

Expanding this and subtracting the constant on the right gives ...

x^2 -6x +9 +y^2 -10y +25 -9 = 0

x^2 +y^2 -6x -10y +25 = 0 . . . . general form equation

8 0

2 years ago

Find the product. (x - 7)(y - 9)

antiseptic1488 [7]

(x - 7)(y - 9)

x*(y - 9) - 7*(y - 9)

x*y - x*9 - 7*y -7*(-9)

xy - 9x - 7y + 63

That's the product.

6 0

2 years ago

Read 2 more answers

Anna11 [10]

Answer:

2.7%

Step-by-step explanation:

Actual width = 45.5 meters.

Incorrect width = 44.25 meters.

Error = 45.5 - 44.25 = 1.25

Percentage error = $\frac{Error}{Actual width} (100)$

$=\frac{1.25}{45.5} (100)$

= 2.74

≈ 2.7%

Hence, the percentage error = 2.7% which is given in the third option.

5 0

3 years ago

Read 2 more answers

The function p(x)=8x-10 shows the profit, in dollars, for selling x books.

Natasha2012 [34]

p(10) is the profit, in dollars, from selling 10 books. Replace every copy of x with 10 and simplify

p(x) = 8x-10

p(10) = 8*10-10 .... every x is replaced with 10

p(10) = 80-10

p(10) = 70

So the profit is $70

5 0

3 years ago

Can somebody help me with this question?

Bas_tet [7]

Answer:

86 yd

Step-by-step explanation:

the area of the shaded region is 2924 yd²

let b the doted side next y :

the area of the total triangle is :

A = (y+b)*68/2 = 2924+ b*68/2

$\frac{(y+b)*68}{2}$ = $\frac{b*68}{2}$ + 2924
$\frac{68*(y+b-b)}{2}$ = 2924
68*y/2 = 2924
68y = 2*2924
y= (2*2924)/68
y= 86 yd

5 0

2 years ago