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oee [108]
3 years ago
11

Someone please help me

Mathematics
1 answer:
svetlana [45]3 years ago
7 0

Answer:

,

Step-by-step explanation:

all work shown and pictured

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Fill in the blank.<br>-9+____=-14​
faust18 [17]

Answer:

-5

Step-by-step explanation:

-9+x = -14

Add 9 to each side

-9+x+9 = -14+9

x = -5

4 0
3 years ago
Read 2 more answers
There are 8 hamburger buns in a package. which number of hamburger buns would fill a whole number of packages: 18, 32, 44, 56?
olganol [36]

Answer:

32 and 56?

Step-by-step explanation:

32 and 56 are related to 8.

32=8x4

56=8x7

6 0
2 years ago
When3/11 is written as a decimal, how many digits are in the smallest sequence of repeating digits?
Andrei [34K]
Two, 2 and 7, because 3/11 just equals 0.2727272727..., so the two and seven keep repeating
7 0
3 years ago
A 15ftX20ft room has a 6ft diameter circular rug in it. How much of the flood is not covered by the rug?
Luda [366]

Answer:

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

Step-by-step explanation:

step 1

Find out the area of the room

The area of the rectangular room is

A=(15)(20)=300\ ft^2

step 2

Find out the area of the circular rug

The area of the circle is

A=\pi r^{2}

we have

\pi =3.14

r=6/2=3\ ft ----> the radius is half the diameter

substitute

A=(3.14)(3)^{2}

A=28.26\ ft^{2}

step 3

Find out what percentage of the room is not covered by the rug

we know that

300 ft^2 represent the 100%

so

using proportion

Find out what percentage represent the difference (300-28.26)=271.74 ft^2

Let

x ----> the percentage not covered by the rug

\frac{300}{100\%}=\frac{271.74}{x}\\\\x=100(271.74)/300\\\\x=90.58\%

Convert to fraction form

90.58\%=\frac{90.58}{100}

Simplify

\frac{4,529}{5,000}

therefore

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

4 0
3 years ago
Please help quickly! <br><br> What is the measure of Arc CB. How did you determine this?
S_A_V [24]

Answer:

As shown in picture,

Angle CDF = Angle BDE = 54 deg (pair of opposite angles)

Angle CDB = 180 - CDF = 180 - 54 = 126 deg (BF is a diameter).

=> Arc CB = Angle CDB = 126 deg (property of angle on circle)

Hope this helps!

:)

4 0
3 years ago
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