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Lena [83]
3 years ago
5

You are going to a bowling alley and have $10 to spend. Renting bowling shoes cost $1.50. Each game cost $2.

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0

Answer:

6.50

Step-by-step explanation:

  1. 10.00
  2. 10.00 - 1.50 - 8.50 - 2.00 = 6.50
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QUESTION 9
netineya [11]
The radius of the shape is c. 3ft 3in
6 0
3 years ago
Natalie needs to save $479.58 for a vacation. She saved $149.88, and earns $7.85 an hour working at the grocery store. How many
SashulF [63]

Answer:

42 hours

Step-by-step explanation:

Natalie needs to save a total of $479.58

She already saved $149.98

The amount left to save is

= 479.58-149.98

= 329.7

If she earns 7.85 dollars working per hour then the number of hours she can work to get $329.7 can be calculated as follows

= 329.7 / 7.85

= 42

Hence Natalie will work for 42 hours to meet her goals

6 0
3 years ago
Erica plotted the three towns closest to her house on a graph with town AA at (9, 12), town BB at (9, 7) and town CC at (1, 1).
Sliva [168]
To compute the distance between the points, we can apply the distance formula as shown below.

d = \sqrt{(x_{1} - x_{2})^{2} + (y_{1} - y_{2})^{2} }

In which x₁ and x₂ are the x-coordinates and y₁ and y₂ are the y-coordinates of the two points. Thus, applying this with the segments AABB, AACC, and BBCC, we have

\overline{AABB} = \sqrt{(9-9)^{2} + (12-7)^{2}} = 5
\overline{AACC} = \sqrt{(9-1)^{2} + (12-1)^{2}} = \sqrt{185}
\overline{BBCC} = \sqrt{(9-1)^{2} + (7-1)^{2}} = 10

Now that we have the lengths of all the sides of ΔAABBCC, we can find the missing angles using the Law of Cosines.

Generally, we have

c^{2} = a^{2} + b^{2} - 2abcosC

or

C = cos^{-1} (\frac{a^{2} + b^{2} - c^{2}}{2ab})

Hence, we have

\angle AA = cos^{-1} (\frac{(\sqrt{185})^{2} + 5^{2} - 10^{2}}{2(5)(\sqrt185)})
\angle BB= cos^{-1} (\frac{5^{2} + 10^{2} - (\sqrt{185})^{2}}{2(5)(10)})
\angle CC= cos^{-1} (\frac{10^{2} + (\sqrt{185})^{2} - 5^{2}}{2(5)(\sqrt{185})})

Simplifying this, we have

\angle AA = 36.03^{0}
\angle BB = 126.87^{0}
\angle CC = 17.10^{0} 

Thus, from this, we can arrange the angles from smallest to largest: ∠CC, ∠AA, and ∠BB.

Answer: ∠CC, ∠AA, and ∠BB
3 0
3 years ago
How to do 314,207 in standard form??
olya-2409 [2.1K]
314 207 = 300 000 + 10 000 + 4 000 + 200 + 7
4 0
4 years ago
A manufacturer of carpentry screws claims that its production machine is very accurate and that the standard deviation of the le
Ratling [72]

Answer:

Option (a) 45.31

Step-by-step explanation:

Data provided in the question:

Standard deviation, σ = 0.08 mm

Sample size, n = 30

standard deviation of 30 samples, s = 0.10

Now,

σ² = (0.08)² = 0.0064

s² = (0.10)² = 0.01

Test Statistic = [ ( n - 1) × s²] ÷ σ²

or

Test Statistic = [ (30 - 1 ) × 0.01 ] ÷ 0.0064

= ( 29 × 0.01 ) ÷ 0.0064

= 45.31

Hence,

Option (a) 45.31

4 0
3 years ago
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