2 years ago

The sum of two numbers is -6. The difference of the same numbers is 12. What are the numbers?

Mathematics

1 answer:

ipn [44]2 years ago

3 0

Answer:

-9 and +3

Step-by-step explanation:

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Ashley has a sprinkler that has several varieties of coverage. The quarter circle sprinkler head sprays water a distance of up t

alukav5142 [94]

Answer:

314 square feet

Step-by-step explanation:

we know that

The area that will be covered by the spray of the quarter-circle sprinkler head, is equal to the area of a quarter circle with radius of 20 feet

The area of a quarter circle is

$A=\frac{1}{4}\pi r^{2}$

we have

$r=20\ ft$

$\pi =3.14$

substitute

$A=\frac{1}{4}(3.14)(20)^{2}=314\ ft^2$

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3 years ago

Tangent is positive in quadrants I and IV only.<br>True or False

zhannawk [14.2K]

Answer:

The statement is false

Step-by-step explanation:

we know that

$tan(x)=\frac{sin(x)}{cos(x)}$

The tangent function will be positive when the sine function and the cosine function have the same sign

In the first quadrant the tangent function is positive

In the third quadrant the tangent function is positive

The statement is false

6 0

3 years ago

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Henry wants to earn more than $68 trimming trees. He charges $6 per hour and pays $4 in equipment fees. What are the possible nu

nexus9112 [7]

68>6t+4 when ever the number is per something(the 6) you put the variable with it and 4 is the constant

t>16

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3 years ago

Find the volume of a cube<br>with a side length of 10 ft.

Korvikt [17]

Answer:

108

Step-by-step explanation:

do u guys stay on this and text on this

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3 years ago

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A 25-foot streetlight casts a showdown 20feet long.If Melanie is standing at the end of the shadow casted by a 60. -foot tall bu

natka813 [3]

Melanie is 48 feet away from the building.
Heres my working

20% of 25=20 so 20% of 60=48.
Hope this helped ☺️

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3 years ago