Cynthia ate 1/4 of the pizza. if the pizza has egiht slices how many slices left?

Answers

Answer 1

Answer: There are 6 slices left because she ate 2

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The volume of a box with a rectangular base is 3 072cm3.the length of the sides are in the ratio 1:2:3. Calculate the length of the shortest side.

Answers

(1) The volume of a box with a rectangular base is 3072 cm³...

X x Y x Z = 3072 cm³

(2) The length of the sides are in the ratio 1:2:3

This means that:

(X)*(2X)*(3X) = 3072 cm³

It also means that:

Y=2X

Z=3X

(3) Calculate the length of the shortest side...

(X)*(2X)*(3X) = 3072 cm³

6X³ = 3072 cm³

X³ = (3072 cm³)/6

X³ = 512 cm³

X = ∛(512 cm³)

X = 8 cm

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Answers:

Length of the shortest side (X): 8 cm

Length of the side (Y): 16 cm

Length of the side (Z): 24 cm

What is the temperature change from 20 to -10?

Answers

Answer:30 degrees Fahrenheit

Step-by-step explanation:

The temperature change decreased 30 degrees.

I hope this helped! Brainliest? :) -Raven❤️

Lydia was out at a restaurant for dinner when the bill came. Her dinner came to $30. After adding in a tip, before tax, she paid $34.50. Find the percent tip.

Answers

Answer:

15%

Step-by-step explanation:

Answer:

is 16.75

Step-by-step explanation:

What type of line would you mark the center of a two-way road

Answers

There are 2 types of line that you can mark the center of a two-way road.

1) passing permitted - it is a broken line marking found in the center of the two-way road. It means that passing other cars is permitted.

2) no passing zones and edge line - it is composed of a combination of solid yellow line, single broken-yellow line, double solid yellow line. It means overtaking or passing is never permitted.

What is the first step in solving the following equation 3x - 5 = 20?

Answers

Add 5 to both sides.

Add 5 in the both sides

Please Help!?!4. A data set has a variance of 42.

What is the standard deviation of the data set?

Round to the nearest tenth.

Question 5.5. What is the standard deviation of the data set? Round your answer to the nearest tenth.

6 4 9 5 5 4 5

(Points : 1)
1.6
1.7
5.4
5.0

Answers

Answer:

Step-by-step explanation:

(A) It is given that a data set has a variance of 42, then the standard deviation is given as:

$SD=√(variance)$

⇒ $SD=√(42)$

⇒ $SD=6.48$

Thus, the standard deviation of the given data set is 6.48.

(B) The given data set is:

6 4 9 5 5 4 5

Mean of the given data set is:

$Mean=(6+4+9+5+5+4+5)/(7)$

$Mean=(38)/(7)$

$Mean=5.42$

Data set $(x-\overline{x})^2$

6 0.33

4 2.01

9 12.81

5 0.17

4 2.01

5 0.17

The variance is given as:

$V=(0.33+2.01+12.81+0.17+0.17+2.01+0.17)/(7)$

$V=2.52$

Thus, the standard deviation is given as:

$SD=√(variance)$

⇒ $SD=√(2.52)$

⇒ $SD=1.6$

Hence, option A is correct.

Q4 . Standard deviation is square root of variance so, the standard deviation of the given data set is , $\sqrt { 42 }$ which is equal to 6.48074069841

Q5.5

To find the standard variation first find the mean of the set.

6+4+9+5+5+4+5 = 38

$\frac { 38 }{ 7 } =5.42$

Then we will subtract the mean from each number in the set, then will square that. Then we will add those all.

Solution is in the pic. Sorry if this was not explanatory enough.

Ask me if you wanna know more.

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A coffee shop mixes Brazilian coffee worth $5 per kilogram with Turkish coffee worth $8 per kilogram. The mixture is to sell for $7 per kilogram. How much of the Turkish coffee should be used to make 300 kg of the mixture?

Help me please !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!