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lina2011 [118]
2 years ago
5

If its total was $490 for the week, what was its average daily change?

Mathematics
2 answers:
g100num [7]2 years ago
5 0

Answer:

$70/day

Step-by-step explanation:

7 days = 490

1 day   =     X

Cross multiply

7X  =  490

Divide both sides by 7

X=70

zheka24 [161]2 years ago
4 0
$70/day because a week has seven days so 490 divided by 7 is 70
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Evgesh-ka [11]
2*(1/2*8 inches*4 inches)+10 inches*4 inches
4 0
3 years ago
How do you solve 5/6 ×20
Alex73 [517]
Ok so remember that if you had
1/2 times 3/4 that equals (1 ties 3)/(2 times 4)
just mutply top number with top number and bottom number with bottom number so

remember that 20=20/1 so
5/6 times 20/1=
5 times 20=100
6 times 1=6

5/6 times 20/1=100/6 (can be simplified to 50/3 or 16 and 2/3)
5 0
3 years ago
PLEASE HELP, 50 POINTS<br> QUESTION IS IN THE PICTURE
artcher [175]

Answer:

-\frac{50}{3}

Step-by-step explanation:

Find dy/dx of the ellipse  25x^{2} +y^{2}=109 at (2,3)

Using Implicit Differentiation

Differentiate both sides of the equation with respect to x

25x^{2} +y^{2}=109

50x +2y\frac{dy}{dx}=0

isolate the term dy/dx

2y\frac{dy}{dx}=-50x

\frac{dy}{dx}=-25\frac{x}{y}

Evaluate at point (2,3)

For x=2, y=3

\frac{dy}{dx}=-25(\frac{2}{3})

\frac{dy}{dx}=-\frac{50}{3}

4 0
3 years ago
Read 2 more answers
1/2 x (6 x 4) divided 3 + 2
cricket20 [7]

Answer:

6

Step-by-step explanation:

6*4=24

1/2*24=12

3+2=5

12/5=6

Parenthises

Exponets

Multiplication

Divide

Add

Subtract

Hope this helps!!

7 0
2 years ago
Read 2 more answers
The sum of only negative numbers.<br> Is it positive or negative
Dmitry_Shevchenko [17]

Answer: negative

Step-by-step explanation: Whenever you are adding negative

numbers together, you will always get a negative number.

For example, (-1) + (-1) will give you -2.

In the same way, (-5) + (-4) gives you -9.

6 0
3 years ago
Read 2 more answers
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