2 years ago

1. You pay $150 per month total. How much is that per week?

Mathematics

1 answer:

dsp732 years ago

5 0

Answer:

I'm going to report because this is just doing an assignment

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The length of a rectangle is 2 centimeters less than its width. What are the dimensions of the rectangle if its area is 195 squa

JulijaS [17]

Answer:

Length=15 cm

Width=13 cm

Step-by-step explanation:

-Let x be the width dimension, the length will be (x-2)

-The area of a rectangle is given by the formula;

$A=lw$

#We substitute the length and width values and equate to the given area:

$A=lw\\195=x\times (x-2)\\\\195=x^2-2x$

#Rewrite as a quadratic and solve for x:

$195=x^2-2x\\\\x^2-2x-195=0\\\\\# Use \ the \ Quadratic\ formula \ to\ solve:\\\\x_1,x_2=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\therefore x_1,x_2=\frac{-(-2)\pm\sqrt{(-2)^2-4\times 1\times(-195)}}{2\times 1}\\\\\\x_1=15, x_2=-13$

Since dimensions are always positve, the x value is 15

x=15

x=13

Hence, the dimensions of the rectangle are length=15 cm and width=13 cm

8 0

2 years ago

Comparing decimals 0.49 to 0.94 is that equal ? or 0.94 more..?

ddd [48]

the simple fact that 94 is 49 backwards means nothing, anymore than say 001 and 100 are equal quantities or related other than in the digits.

so, 0.49 or 49/100 and 0.94 or 94/100, are two values, both are at the one hundredth level, so to see who is larger, we can nevermind the 100 and look at the numerator, 94 is clearly much larger than 49.

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2 years ago

There are about 448 students fully virtual and about 92 students coming into school for hybrid learning. Write and simplify a ra

lutik1710 [3]

448: 92
Divide by 4
112 : 23

4 0

1 year ago

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Using the distributive property what is 4(2x -1) in simplest form?

Marina86 [1]

Answer:

8x -4