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stepladder [879]
2 years ago
15

What is [b-5] over 8=5

Mathematics
1 answer:
julia-pushkina [17]2 years ago
6 0

Answer:

B=45

Step-by-step explanation:

Multiply 8 by 5

Add 40 and 5 together

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Simplify (2/5÷3/8)÷(-3/5)
liberstina [14]

Answer:

\pink{ - 1 \frac{7}{9} }

Step-by-step explanation:

( \frac{2}{5}  \div  \frac{3}{8} ) \div ( -  \frac{3}{5} ) \\ (\frac{2}{5}  \times  \frac{8}{3} ) \times ( -  \frac{5}{3} ) \\  \frac{16}{15}  \times  -  \frac{5}{3}  \\ -   \frac{80}{45}

As the answer can be more simplified, divide both numerator and denominator by 5.

-  \frac{16}{9}  =   - 1 \frac{7}{9}

3 0
1 year ago
Polygon F has an area of 36 square units. Aimar drew a scaled version of Polygon F and labeled it Polygon G. Polygon G has an ar
mariarad [96]

Area is a squared number.  We know that from the label we use when we solve problems involving area.  Perimeter is a single unit label.  This single unit label can also be used to find scale factor, since single unit labels are one-to-one.  If the area of polygon F is 36, that means that the single unit measure was a number that was squared to get to the area.  Same goes for polygon G.  That means that in order to find the single unit measure of each of those we have to take the square root of the area.  The square root of 36 is 6, and the square root of 4 is 2.  6:2 is the scale factor, but that can be reduced to 3:1, larger to smaller.

6 0
3 years ago
Read 2 more answers
Scott is playing a game in which he rolls a number cube with faces numbered 1through 6 and spins the spinner shown below one tim
defon

Solution:

The total number of possiblities rolling a number cube with faces numbered 1 to 6 is;

And the total number of possibilities spining the spinner is;

The number of possibility where outcome on the cube is greater than 2 is;

4

And the number on the spinner less than 9 is;

2

Hence, the unique combination is;

4\times2=8

CORRECT OPTION: A

7 0
10 months ago
The width of a rectangular room is 80% of its length. If the length of the room is 20 meters, what is the area of the room? A= l
KIM [24]

Answer:320ft^2

Step-by-step explanation:

80% of 20 is 16, because 80% is 4/5 and 20 divided by 5 is 4, multiplied by 4 is 16. Area is L x W, so 16 times 20 is 320, and don't forget unit of measurement, ft^2 for area

7 0
3 years ago
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A band leader wants to line up 236 band members in 4 rows so that each row has 2 members more than the row before. How many band
fenix001 [56]
Row one:56
Row two: 58
Row three: 60
Row four:62
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