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Assoli18 [71]
3 years ago
6

The class party started with five chocolate cakes cut in fourths as shown below in the example.

Mathematics
1 answer:
professor190 [17]3 years ago
5 0
<h3>Answer:     7/20</h3>

============================================================

Explanation:

One large square cake cuts into 4 smaller slices

Since we have 5 such cakes that are cut like this, we have 5*4 = 20 slices all together.

Count the number of dark shaded slices that are shown in the lower diagram. We have 4+3+4+2 = 7+6 = 13 slices of cake that are left over. This must mean the class ate 20-13 = 7 slices.

The fraction of the cakes eaten is 7/20

Notes:

  • 7/20 = 35/100 = 0.35 = 35%
  • The fraction 7/20 cannot be reduced further because 7 and 20 have no common factors other than 1.
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Which equation represents a line parallel to y - 2x=8
patriot [66]

Answer: I cannot see the answer choices, so there is nothing to go by to answer this question.

Step-by-step explanation:

What I can tell you is that a line being parallel to another line would look like this:  \\.

Two lines close to each other and that look identical are parallel.

Parallel lines never intersect each other, for that would make them perpendicular to each other.

In equation form, two lines can be found parallel to each other if they have the same slope. Often times they differ in y-intercepts, but they are still parallel.

7 0
3 years ago
Please help I need it
ivolga24 [154]

Answer:

<h2>Yes. It's a right triangle.</h2>

Step-by-step explanation:

If a ≤ b < c are the length of the sides of a right triangle, then

a² + b² = c².

We have:

a =30 ft, b = 40 ft and c = 50 ft.

Check the equality:

L = 30² + 40² = 900 + 1600 = 2500

R = 50² = 2500

L = R

5 0
3 years ago
The trapezoid that you have below is a scale drawing of the land it occupies
koban [17]

Step-by-step explanation:

that's what I know hope it helps you.

4 0
3 years ago
A company wants to estimate the mean net weight of all 32-ounce packages of its yummy taste cookies at 95% confidence. it is kno
Georgia [21]
Standard deviation= σ= 0.1 
Confidence interval= 95%= 0.95
Significance level=α= 1-0.95= 0.05
 α/2 = 0.025
At  α/2  z( α/2 ) =1.960   [from statistic table]
Now,
the sample size at error of 0.02 is
0.02=z( α/2 )σ/√n
0.02=(1.960)*(0.1)/√n
5/49 = 1/√n
√n=49/5
n=96.04
n should be 96 or greater 

4 0
3 years ago
Given the rectangular solid, RS = 6, ST = 3, and SL = 4. Solve for KT.
katrin [286]

First thing is that you need to find the diagonal of the rectangle

but remember is it a horizontal rectangle.

So let's start it :)

d= √6²+3²

d= √36+9

d= √54

d= 6.7082

But wait.. we are not done yet

We need to solve KT

we have 6.7082 which is the base and we have SL=4 which is the height

so with this 2 information we can find KT

KT is the hypotenuse because when you draw the line from K to T you'll see that it is the longest line.

Use the hypotenuse formula which is

C = √a²+b²

Now replace C by KT since we are solving for KT instead of C. Got it ?:)

KT= √6.7080²+4²

KT= 7.81


I do it with decimals so it might be little bit confusing to you but I think you can solve that different ways :)


Well I hope that's help and if not I am so sorry.

7 0
3 years ago
Read 2 more answers
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