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Brums [2.3K]
2 years ago
7

Ms.Hatcher bought a pencil decoration shown below for her bulletin board. If a= 11 in and b= 25in what is the area of this penci

l
Mathematics
1 answer:
andriy [413]2 years ago
3 0

Answer:

The area of the pencil is 36 inches.

Step-by-step explanation:

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X²-12x+a=(x+b)² find a and b​
Valentin [98]

Answer:

Step-by-step explanation:

x² - 12x + a = (x + b)²

x² - 12x + a = x² + 2xb + b²

-12 = 2b and a = b²

b = -6

a = b² = 36

8 0
2 years ago
13,406,109 pennis into dollars
geniusboy [140]

Answer:

$134,061.09

Step-by-step explanation:

hope this helps

4 0
2 years ago
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In a survey of 400 seniors, x percent said that they plan on majoring in physics. One university has used this data to estimate
azamat

Answer:

2 percent

Step-by-step explanation:

We can use two separate fractions, one representing the amount of physics majors expected and the amount of seniors expected in physics majors by the university.

\frac{400x}{66} = \frac{400}{3600}

Now cross multiply.

\frac{66*400}{400x * 3600}

x will be removed.

\frac{26400}{1320000}

Simplifying this fraction will get you \frac{1}{50}, which in percentage form, will be 2 percent.

8 0
1 year ago
Complete the equivalent equation for –7x – 60 = x2 + 10x.
cupoosta [38]

Answer:

x = -5

x = -12

Step-by-step explanation:

- 7x - 60 = x^2 + 10x

add 7x to both sides

x^2 + 17x = -60

add 60 to both sides

x^2 + 17x + 60 = 0

factorise quadratic

(x + 12) (x + 5) = 0

<em>x = -12</em>

<em>x = -12x = -5</em>

6 0
2 years ago
Using the information given, calculate a grade to the nearest whole percent. The "rise" is 525 feet. If the scale on the map sho
melamori03 [73]
The grade on the west side would be the vertical rise divided by the horizontal run or 525 divided by 800' or rounded off to 66% (a steep grade as in an underground mine a grade of 25% is considered very steep for vehicles to go up or conveyors to travel). On the east side the 40% grade was obtained by dividing the 525' vertical height by the 1300' run. 
5 0
3 years ago
Read 2 more answers
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