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love history [14]
2 years ago
7

What is 72 times 80 ...............

Mathematics
2 answers:
djyliett [7]2 years ago
7 0
  72
x80
---------
    00
576
---------
5760 is the answer.
Pani-rosa [81]2 years ago
3 0
The answer to your question is 5,760
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Find the positive value of x if: 5^(x^2 - 2x) = 1
Dennis_Churaev [7]
5^(x² - 2x) = 1
5^(x²) - 5^(2x) = 1
5^x² - 5²x = 1


5 0
2 years ago
A company is building a new park in the shape of a circle with a 25 ft diameter. Portions of the new park will be covered with g
emmasim [6.3K]

Answer: The area of the regions covered by grass is approximately 313.375 sq ft.

Step-by-step explanation:

Given: A company is building a new park in the shape of a circle with a 25 ft diameter.

Then radius = \dfrac{25}{2}=12.5\ ft

Required area = Area of circle - Area of rectangle + Area of triangle

Formula: Area of circle = \pi r^2

Area of rectangle = length x width

Area of triangle = 0.5 x base x height

Area of circle = (3.14)(12.5)^2=490.625\ \text{ft}^2

Area of rectangle = 20 ft x 10ft = 200 ft²

Area of triangle = 0.5 x 7 x 6.5 = 22.75 ft²

Required area = 490.625 -200+22.75 = 313.375 ft²

Hence, The area of the regions covered by grass is approximately 313.375 sq ft.

4 0
2 years ago
Y=3/4x^2+9x vertex form?
Nutka1998 [239]

The standard form:

f(x)=ax^2+bx+c

The vertex form:

f(x)=a(x-h)^2+k\\\\h=\dfrac{-b}{2a};\ k=f(h)

We have

y=\dfrac{3}{4}x^2+9x\to f(x)=\dfrac{3}{4}x^2+9x\\\\a=\dfrac{3}{4},\ b=9,\ c=0\\\\h=\dfrac{-b}{2a}\to h=\dfrac{-9}{2\cdot\frac{3}{4}}=\dfrac{-9}{\frac{3}{2}}=-9\cdot\dfrac{2}{3}=-3\cdot2=-6\\\\k=f(h)\to k=f(6)=\dfrac{3}{4}(-6)^2+9(-6)=\dfrac{3}{4}(36)-54\\=(3)(9)-54=27-54=-27

Answer:

y=\dfrac{3}{4}(x-(-6))^2+(-27)=\dfrac{3}{4}(x+6)^2-27

7 0
3 years ago
What is straight is part of a line and has 2 endpoints
Karolina [17]
A line has no endpoints. A line segment is a part of a line that has two end points.  A ray is a part of a line that has one end point. hope this helps 
6 0
3 years ago
Read 2 more answers
If nobody answers this they think im hot
cupoosta [38]

NO YOU ARE NOT

AND THANK YOU

5 0
2 years ago
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