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2 years ago

If a sprinkler rotated 90˚, paused, and then rotated another 90˚, how many degrees

Mathematics

1 answer:

Yanka [14]2 years ago

3 0

Answer:

180°

Step-by-step explanation:

Since a sprinkler rotates 90°, pauses,and then rotates another 90°

So, here total degrees be like

= 90° + 90°

= 180°

hence, The number of degrees did it rotate altogether should be considered as the 180 degrees.

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Solving 1/2x =8 what is the answer

aleksley [76]

Multiply to remove the variable from the denominator.
x = 1/16

4 0

4 years ago

Find the area of this triangle. Round to the nearest tenth.l

trasher [3.6K]

Answer:

$\boxed{109.3yd^2}$

Step-by-step explanation:

Hey there!

Well to find area we'll use the following formula.

$\frac{b h_{b} }{2}$

Plug in the given info,

$\frac{9.5*23}{2}$

Simplify

218.5/2

109.25 or 109.3 rounded to the nearest tenth

= 109.3yd²

Hope this helps :)

5 0

3 years ago

Read 2 more answers

The point (2,1) is a solution to which of the following systems of equations

Triss [41]

Answer:

x+y = 3

3x-y = 5

Step-by-step explanation:

x+y = 3

3x-y = 5

This system of equation will give the points(2,1).

Lets substitute the values x=2 and y = 1 in the equations:

x+y=3 equation 1

2+1 =3

3=3

3x-y=5 equation 2

3(2)-1=5

6-1=5

5=5

Lets solve the system:

Add the equations to eliminate y from the system:

x+y = 3

3x-y = 5

_______

4x = 8

Now divide both the sides by 4

4x/4 = 8/4

x=2

Now substitute the value of x in equation 1:

x+y=3

2+y=3

Combine the constants:

y=3-2

y=1....

4 0

4 years ago

A 15-inch candle is lit and burns at a constant rate of 1.6 inches per hour.

Naily [24]

Answer:

c = 15: The height of candle is 15 inches when it is not lit.

m = -1.6: The height of candle decreases 1.6 inches for every hour it is lit.

Step-by-step explanation:

We are given the following in the question:

Height of candle = 15 inches

$f (t) = 15 - 1.6 t$

This function gives the length of the candle in inches left after it was burn for t hours.

Comparing the given equation to a linear equation, we have:

$y = mx + c$

where m is the slope and c is the y-intercept.

Comparing we, get

m = -1.6 and c = 15

Interpretation:

c = 15 mean the y-intercept is 15 that is he value of function when t = 0, thus, the height of candle is 15 inches when it is not lit.

m = -1.6 is the rate of change of the function when t increases by 1 unit that is the height of candle decreases 1.6 inches for every hour it is lit.

3 0

3 years ago

With a two-year agreement, Sarah can add up to 4 lines for $9.99 each. Her first monthly bill totals 89.96. Sarah did not exceed

gogolik [260]

Answer:

The answer is 267.

Step-by-step explanation:

If we wanted to represent this scenario as an equation, it would be 22.40-14+.5x (x being the amount of texts after 250). We are using PEMDAS, but because the variable is unknown, we skip multiplication and just go left to right. 22.40 - 14 = 8.40. With 8.40, we now know how much it costed AFTER 250 messages (how much she owes after $14). If we want to find how many PER 50 cents, we have to DIVIDE (reverse of multiplication). 8.4 / .5 = 16.80. Because you can't send .8 of a text message, you round to get 17. 250 + 17 = 267 (messages sent that month).

Therefore the answer is 267 (250 + 17)

3 0

3 years ago