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Sladkaya [172]
2 years ago
8

Daycare in the New York region costs an average of $ 1,123 per month with a stdev = $325 depending upon level of care etc. Withi

n what limits ( upper and lower) would you expect approximately 22.58% of the monthly costs to fall? Round answers to 2 decimal places---express answers as dollar amounts.
Statistics
Mathematics
1 answer:
Radda [10]2 years ago
7 0
22.58 is a dad so multiply it by three and get 490
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-2(3y - 6) + 4(5y - 8) = 92
Whitepunk [10]

Answer:

y = 8

Step-by-step explanation:

-2(3y - 6) + 4(5y - 8) = 92\\\\\mathrm{Expand\:}-2\left(3y-6\right)+4\left(5y-8\right):\quad 14y-20\\14y-20=92\\\\\mathrm{Add\:}20\mathrm{\:to\:both\:sides}\\14y-20+20=92+20\\\\Simplify\\14y=112\\\\\mathrm{Divide\:both\:sides\:by\:}14\\\frac{14y}{14}=\frac{112}{14}\\\\Simplify\\y= 8

3 0
3 years ago
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Round 2.56×0.03 to the nearest hundredth
Arlecino [84]
2.56 times 0.03 is 0.0768 then round to hundredth is 0.08 i think 
4 0
3 years ago
The curve with equation y2 = x3 + 3x2 is called the tschirnhausen cubic. find an equation of the tangent line to this curve at t
MAVERICK [17]
First find the slope, take derivative of both sides with respect to x.  
2y dy/dx=3x^2+6x
solve for dy/dx
dy/dx=[3x^2+6x]/2y
plug in given vales of (1,2(
dy/dx=9/4

now you have everything you need to plug into point slope form
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5 0
3 years ago
Find the surface area of each figure. Round answers to two decimal places. Use 3.14 for pi​
ELEN [110]

Answer:

the top wpuld be 73.14 and i cant see the numbers at the bottom

Step-by-step explanation:

8 0
3 years ago
What is a correct congruence statement for the triangles shown?
Kamila [148]

Answer:

ΔRHS ≅ ΔNKW

Step-by-step explanation:

We are given that, in the triangles RHS and NKW.

∠H = ∠K

Side HS = KW.

∠S = ∠W

Now, using the ASA congruence criteria, which states that when two corresponding angles of the triangles are equal with the included side between them is equal, then both the triangles are congruent.

Hence, according to ASA criteria, ΔRHS ≅ ΔNKW.

4 0
3 years ago
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