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Digiron [165]
3 years ago
9

A sheet of construction paper is 9 inches long and 11 inches wide. How many 1- inch squares of paper can cut out one sheet of pa

per?
Mathematics
2 answers:
Serggg [28]3 years ago
8 0

Answer:

99

Step-by-step explanation: 9*11=99

Alchen [17]3 years ago
8 0

Answer:

99

Step-by-step explanation:

A sheet of paper which is 9" long and 11" wide has an area of (9")(11"), or 99 sq inches.  This translates into 99 1-inch squares of paper that can be cut from that one sheet of paper.

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Determine the value of c that will result in a perfect square trinomial. <br> w^2+6w+ c =130+c
Genrish500 [490]

Answer:

The value of c that will result in a perfect square trinomial is (3)^2 or 9

The perfect square trinomial is: (w+3)^2=139

Step-by-step explanation:

We need to determine the value  of c that will result in a perfect square trinomial.

w^2+6w+ c =130+c

Perfect square trinomial are of form: a^2+2ab+b^2=(a+b)^2

Now, the equation given is:

w^2+6w+ c =130+c

Looking at the term 6w, we can write it as 2(w)(3)

We are given: a = w, 2ab = 2(w)(3) so, b will be: (3)^2

So, we will be adding (3)^2 on both sides

w^2+6w+ c=130+c\\w^2+2(w)(3)+ (3)^2 =130+(3)^2\\The\:left\:side\:becomes: a^2+2ab+b^2\\We\:can\:write\:it\:as: (a+b)^2\\We\:have\:a=w\: and\: b=3\\(w+3)^2=130+9\\(w+3)^2=139

So, The value of c that will result in a perfect square trinomial is (3)^2 or 9

The perfect square trinomial is: (w+3)^2=139

3 0
3 years ago
2x+8y=6, -5x-20y=-15<br><br>need work because I don't understand
Vlada [557]

Answer:

Infinitely many solutions.

Step-by-step explanation:

Step: Solve 2x + 8y = 6 for x:

2x + 8y = 6

2x + 8y + −8y =6 + −8y (Add -8y to both sides)

2x = −8y + 6

2x/2 = (-8y + 6)/2 (Divide both sides by 2)

x = −4y + 3

Step: Substitute −4y + 3 for x in −5x − 20y = −15:

−5x − 20y = −15

−5 (−4y + 3 ) −20y = −15

−15 = −15 (Simplify both sides of the equation)

−15 + 15 = −15 + 15 (Add 15 to both sides)

0 = 0


4 0
3 years ago
To find the height of a trapezoid you can divide its area by 1 -2 of its bases true or false
lys-0071 [83]
True in a couple of ways
4 0
3 years ago
Please answer this question!
Aleks [24]
406 divided by 140 makes 2.9 multiply that 100 and you arrive at 290%. Hope this helps!
8 0
3 years ago
12 less than a number is the same as 5 times the same number increased by 4
Lina20 [59]

Answer: 12<5x+4

Step-by-step explanation:

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3 years ago
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