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Reika [66]
3 years ago
14

Please help me out i suck at this

Mathematics
1 answer:
Kitty [74]3 years ago
7 0

Answer:

I dont know I just want points

Step-by-step explanation:

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In circle P diameter QS measures 30 cm.
kow [346]

<u>Given</u>:

The diameter of the circle P is 30 cm.

The radius of the circle P is 15 cm.

The measure of ∠RPS is 125°

We need to determine the arc length of QR.

<u>Measure of ∠QPR:</u>

The angles QPR and RPS are linear pairs.

Thus, we have;

\angle QPR + \angle RPS=180^{\circ}

Substituting the values, we have;

\angle QPR + 125^{\circ}=180^{\circ}

          \angle QPR =55^{\circ}

Thus, the measure of ∠QPR is 55°

<u>Arc length of QR:</u>

The arc length of QR can be determined using the formula,

Arc \ length =(\frac{\theta}{360})2 \pi r

Substituting \theta=55 and r =15, we get;

Arc \ length =(\frac{55}{360})2 (3.14)(15)

Arc\  length = \frac{5181}{360}

Arc \ length =14.4 \ cm

Thus, the arc length of QR is 14.4 cm.

Hence, Option d is the correct answer.

4 0
3 years ago
Sarafina and Katie have between $105 and $420 dollars to spend on jewelry for Christmas presents for their friends. If they buy
algol13

Answer:

66

Step-by-step explanation:

105+420=525   (Total Money)

7x3.25=22.75   (Cost of all bracelets)

8x11.74=93.92   (Cost of all necklaces)

93.92+22.75=116.67   (Cost of all Christmas presents)

525-116.67=408.33   (Total money - Cost of all Christmas presents)

408.33/6.15=66.39...   (Amount of necklaces)

since in real life you can only buy a whole number of things, you would round down 66.39 to 66. I hope this helped!

5 0
3 years ago
Find the slope between the following points
postnew [5]
Slope = (-2 + 2) / (4 + 7 ) = 0/11 = 0

answer
0
5 0
4 years ago
Read 2 more answers
A fraction less than 5/6 and has a denominator of 8 How do I figure this out?
allochka39001 [22]
A fraction less than 5/6 but has a denominator of 8 could be:

1/8, 2/8, 3/8, 4/8, 5/8, 6/8

You can choose any one of those fractions as your answer.
8 0
3 years ago
In a rectangle, the sides have measurements of 2x + 1 and 3x - 5 units Find an expression for the area of the rectangle, in squa
SashulF [63]

Answer:

(6 {x}^{2}   - 7x - 5) \:  {units}^{2}

Step-by-step explanation:

Area of rectangle = Product of sides

= (2x + 1) \times (3x - 5) \\  = 2x(3x - 5) + 1(3x - 5) \\  = 6 {x}^{2} - 10x + 3x - 5 \\ area \: of \: rectangle \:  \\  = (6 {x}^{2}   - 7x - 5) \:  {units}^{2}

4 0
4 years ago
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