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Papessa [141]
3 years ago
11

The seventh and eighth graders at East Middle School are having a competition to see whose class can sell the most candy bars ov

er the course of five days. The following bar graph shows each of their sales for the week. How many total candy bars were sold between the two grades on Monday and Tuesday?
375
350
355
390

Mathematics
1 answer:
lyudmila [28]3 years ago
5 0
Should be 355,if I didn't read the graph wrong
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Marian is making accessories for the soccer team. She uses 888.44 inches of fabric on headbands for 36 players and 2 coaches. Sh
ki77a [65]

Answer:

23.38 inches of fabric was used for headband for each player.

9.43 inches of fabric was used for wristband for each player.

Step-by-step explanation:

Given that:

Total fabric used on headbands = 888.44 inches

Total number of players = 36

Total number of coaches = 2

Total number of people for whom headbands were made = Number of players + Number of coaches = 36 + 2 = 38

Amount of fabric used for each one = Total fabric used for headbands divided by Total number of people

Amount of fabric used for each one = \frac{888.44}{38}=\bold{23.38\ inches}

Similarly,

Total fabric used on wristbands = 339.48 inches

Total number of players = 36

Amount of fabric used for each one = Total fabric used for headbands divided by Total number of players

Amount of fabric used for each one = \frac{339.48}{36}=\bold{9.43\ inches}

8 0
3 years ago
Five friends ordered 3 large sandwiches.
hichkok12 [17]
I got 1/12th left

I changed all of the fractions to twelfths

4/12

6/12

9/12

16/12

James and Katya ate 10/12 of a sandwich

Ramon ate the last 2/12 and 7/12 of the next sandwich

Sianna ate the other 5/12 and 11/12 of the 3rd sandwich

So that means 1/12 is left


I hope that helps and you get it right
4 0
3 years ago
In the Country A legal system, a defendant is presumed innocent until proven guilty. Consider a nullhypothesis, H0, that the def
Pie

Using error concepts, it is found that in this problem, a type I error would be finding an innocent person guilty, while a type II error would be finding a guilty person innocent.

<h3>What are Type I and Type II errors?</h3>
  • Type I: Rejection of a true null hypothesis. The null hypothesis is true, but from a sample, you get enough evidence to reject.
  • Type II: Non-rejection of a false null hypothesis. The null hypothesis is false, but from a sample, you do not get enough evidence to reject.

Hence:

In this problem, a type I error would be finding an innocent person guilty, while a type II error would be finding a guilty person innocent.

More can be learned about error concepts at brainly.com/question/25225353

3 0
3 years ago
Which equation below gives an incorrect value for the function k(x) = 512x?
lina2011 [118]

Answer:

D. gives an incorrect value for the function k(x) = 512^{x}

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

<em>Which equation below gives an incorrect value for the function k(x) = </em>512^{x}<em>?</em>

<em>A.) k(2/3)=64 </em>

<em>B.) k(4/9)=16 </em>

<em>C.) k(1/3)=8 </em>

<em>D.) k(2/9)=8</em>

My answer:

Let analyse all 4 possible answers:

  • A.) k(2/3)=64  

<=> k(2/3) = 512^{2/3} = 64

True

  • B.) k(4/9)=16

<=> k(4/9) = 512^{4/9}= 16

True

  • C. k(1/3)=8

<=>  k(1/3)= 512^{1/3}= 8

True

  • D. k(2/9)=8

<=> k(2/9) = 512^{2/9} = 4 not 8

Wrong

Hope it will find you well

3 0
3 years ago
X^2=12x-27 solve by factoring
Alex Ar [27]

Answer:

X=3 or X=9

Step-by-step explanation:

Step 1: Subtract 12x-27 from both sides.

x2−(12x−27)=12x−27−(12x−27)

x2−12x+27=0

2: Factor left side of equation.

(x−3)(x−9)=0

Step 3: Set factors equal to 0.

x−3=0 or x−9=0

x=3 or x=9

3 0
3 years ago
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