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frosja888 [35]
3 years ago
15

If x/4=45/36 then what is x

Mathematics
1 answer:
miskamm [114]3 years ago
7 0

Answer:

x is 5

Step-by-step explanation:

45/36 was divided by 9 to get 5/4

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HELP PLEASE!
navik [9.2K]
1. 
20= 2(x-4)
20/2= 2(x-4)/2
10= x-4
+4 .  +4
14=x
3 0
3 years ago
Read 2 more answers
In the figure to the right, AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3/10 cm. Find the perimeter of the figu
nasty-shy [4]

Answer:

<em>P= 5.5 cm</em>

Step-by-step explanation:

<u>The Perimeter of Plane Shapes</u>

If we are given a plane shape, the perimeter is the measurement of the boundary of it. In case the shape is made of lines, the perimeter is the sum of the lengths of all of them.

We are given an irregular shape, we only need to add all the sides. But we don't have all the individual sides. Let's write the expression for the perimeter.

P=AE+ED+DC+CB+BA

We have: AE + DC = 1 1/5 cm, AB = 1 3/4 cm, DE = 1 1/4 cm, and BC = 1 3/10 cm. Note we don't have AE or DC, but we have their sum, so

P=AE+DC+ED+CB+BA

Recall that AB=BA, the order of the letters is not important. The perimeter is

\displaystyle P=1\frac{1}{5}+1\frac{1}{4}+1\frac{3}{10}+1\frac{3}{4}

We add the integer parts separate from the fractions

\displaystyle P=4+\frac{1}{5}+\frac{1}{4}+\frac{3}{10}+\frac{3}{4}

Now we use the common denominator (Least Common Multiple or LCM ) which is 20:

\displaystyle P=4+\frac{4+5+6+15}{20}

Operating

\displaystyle P=4+\frac{30}{20}

Simplifying

\displaystyle P=4+\frac{3}{2}

\displaystyle P=\frac{11}{2}=5.5\ cm

5 0
3 years ago
Classify the figure as a polyhedron or not polyhedron.
Step2247 [10]
It is a polyhedron (i think)
5 0
3 years ago
Read 2 more answers
Can you guys help me? Please and thank you! :)
expeople1 [14]
The theoretical probability is what is expected based on using math. Since there is only one card that is number 1, and there are 400 possible outcomes, then the theoretical probability is 1/400 which is 0.25%.
Now find the experimental probability by find the number of times card 1 is picked, and the number of cards in total. 128/400 = 0.32 which is 32 percent.
The experimental probability is higher than the theoretical probability.
Hope this helps
4 0
2 years ago
Jalisa needs to purchase a cover for her oval shaped pool.The pools length and width measurements,as marked by dotted lines are
Brums [2.3K]

Answer:

the area of the cover will be

933.17ft^{2}

Step-by-step explanation:

This problem bothers on the mensuration of flat shapes. oval/ellipse

the area of the ellipse is A=a*b* \pi.

Since we are multiplying two units of length together, our answer will be in units squared.

also the oval/ ellipse has to radius major and minor radius

Given data

minor radius = a=  10 feet

major  radius= b= 26 feet

furthermore we want the cover to extend 1 feet

hence  

minor radius = a=  11 feet

major  radius= b= 27 feet

A=a*b* \pi

A=11*27* \ 3.142

A=11*27* \ 3.142\\A= 933.17 ft^{2}

8 0
3 years ago
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