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myrzilka [38]
3 years ago
11

If DC = 10 centimeters, SR = 15 centimeters, and the area of ABCD is 72 square centimeters, then the area of PQRS is square cent

imeters.

Mathematics
1 answer:
Dovator [93]3 years ago
3 0
I think this will help you

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emmasim [6.3K]
I hope this helps if you need any other help just message me and i will answer 

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3 years ago
What’s the total value of 20 quarters, 40 dimes, 30 nickels, and 15 pennies
Inessa [10]

Answer$10 65 cents

Step-by-step explanation:

20/4= $5 40/10= $4  .05 x 30= $1.50 and add those together to get $10.50 then add the 15 pennies which is $10.65

6 0
3 years ago
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It is given that a+b=6 and ab=7. Find the value of a^2 + b^2.
n200080 [17]
Use the identity:-

a^2 + b^2  = (a + b)^2 - 2ab

Plugging in the given values;-

a^2 + b^2 = 6^2 - 2*7    =  36-14  = 22 Answer
4 0
3 years ago
The volume of the rectangular prism is ________ cm3
just olya [345]

Answer:

volume of rectangular prism =l×w×h

volume of rectangular prism =4cm×2cm×7cm

volume of rectangular prism =56cm³

5 0
2 years ago
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The number of mosquitoes in Anchorage, Alaska (in millions of mosquitoes) as a function of rainfall (in centimeters) is modeled
GarryVolchara [31]

Answer:

7 centimeters of rain will produce the maximum number of mosquitoes (49 millions of mosquitoes)

Step-by-step explanation:

we have the function

m(x)=-x^2+14x

where

m(x) is the number of mosquitoes in Anchorage, Alaska (in millions of mosquitoes)

x is the rainfall (in centimeters)

This is a vertical parabola open downward

The vertex represent a maximum

The x-coordinate of the vertex represent the centimeters of rain that will produce the maximum number of mosquitoes

so

Convert the quadratic equation into vertex form

m(x)=-x^2+14x

Factor -1

m(x)=-(x^2-14x)

Complete the square

m(x)=-(x^2-14x+7^2)+7^2

m(x)=-(x^2-14x+49)+49

Rewrite as perfect squares

m(x)=-(x-7)^2+49

The vertex is the point (7,49)

therefore

7 centimeters of rain will produce the maximum number of mosquitoes (49 millions of mosquitoes)

4 0
2 years ago
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