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Olegator [25]
3 years ago
5

A bakery sold 115 cupcakes in one day. The head baker predicted he would sell 95 cupcakes that day. What was the percent error o

f the baker's prediction?
Mathematics
1 answer:
Brut [27]3 years ago
5 0
It was about 17.4% 
======================================================================

% error=
actual value-estimated value 
Then divide that by actual value
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Can I get help with these too? Thank you!!!!!
Anastasy [175]
For ABC:

The interior angle of C is 180 - 142 = 38
The three interior angles add up to 180°
(2x - 15) + (x - 5) + 38 = 180
3x - 20 + 38 = 180
3x + 18 = 180
3x = 162
x = 54

The measure of angle ABC = x - 5 = 54 - 5 = 49

For JKL:
The interior angle of L is 180 - 100 = 80°
The 3 interior angles add up to 180°
(2x + 27) + (2x - 11) + 80 = 180
4x + 16 + 80 = 180
4x + 96 = 180
4x = 84
x = 21

The measure of angle JKL is 2x - 11 = 2(21) - 11 = 42 - 11 = 31°
7 0
3 years ago
Find the slope of (0, 4), (− 5, 2)
vredina [299]

Answer:

⅖ is the slope

Step-by-step explanation:

To find slope:

\frac{ {y}^{2} -  {y}^{1}  }{ {x}^{2} -  {x}^{1}  }

\frac{2 -4}{ - 5 - 0}

\frac{ - 2}{ - 5}

\frac{2}{5}

7 0
3 years ago
P < 4.75 represents the prices p in dollars that Paige is willing to pay for popcorn. The inequality p < 8.00 represents t
vesna_86 [32]

Answer:

1 theater

Step-by-step explanation:

Given

P --- Popcorn

P < 8.00 --- Movie

See attachment for the table that shows ticket and popcorn prices at five movie theater chains

Required

The number of theaters that supports the given inequality

The given inequality can be combined to give:

P < 4.75\ and\ P

From the table entries, only one theater supports this inequality.

Where

P = 4.25 --- Movie

P = 7.25  --- Popcorn

Which gives:

4.25 < 4.75\ and\ 7.25

7 0
3 years ago
The Product of C and 8 is less than -18
Liono4ka [1.6K]

-18/8 = -2.25

therefore C is less than -2.25

3 0
4 years ago
Find the volume of the composite solid. Round your answer to the nearest tenth.
lakkis [162]
The "cylinder" has a diameter of 6, and therefore its radius is half that, or 3, thus

\bf \textit{volume of a cylinder}\\\\&#10;V=\pi r^2 h~~&#10;\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;-----\\&#10;r=3\\&#10;h=11&#10;\end{cases}\implies V=\pi (3)^2(11)\implies V=99\pi
6 0
3 years ago
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