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Sliva [168]
3 years ago
15

Six out of eight dentists recommend crust toothpaste in a group of 156 dentists how many of them would recommend crest

Mathematics
1 answer:
sashaice [31]3 years ago
7 0

Answer:

117

Step-by-step explanation:

crest :        6 x19.5=117

no creast : 2x19.5=39

whole : 8/156=19.5

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You start driving north for 9 miles, turn right, and drive east for another 40 miles. At the end of driving, what is your straig
Vsevolod [243]

The straight line distance from the starting point is 41 miles.

<u>Explanation:</u>

Given:

Distance covered towards north, n = 9 miles

Distance covered towards east, e = 40 miles

Distance from the origin to the end, x = ?

If we imagine this, then the route forms a right angle triangle

where,

n is the height

e is the base

x is the hypotenuse

Using pythagoras theorm:

(x)² = (n)² + (e)²

(x)² = (9)² + (40)²

(x)² = 1681

x = 41 miles

Therefore, the straight line distance from the starting point is 41 miles.

5 0
3 years ago
Tara baked 6 1/2 dozen cookies. She sold 3 2/6 dozen of the cookie she made. How many dozens of cookies does Tara have remaining
Bess [88]
Tara baked 78 cookies in total because 6x12+6=78 or 72  6/12 and sold 36  4/12  so she has 24 cookies left hope this helps
4 0
3 years ago
Read 2 more answers
I need help on this​
ElenaW [278]
The proof is because it has a right angle.... I think :)
5 0
3 years ago
Algebra 1
zhannawk [14.2K]

Answer:

The actual wide of the lawn is 24 meters

Step-by-step explanation:

we know that

The scale drawing is

\frac{2}{1}\frac{mm}{m}

using proportion

Find out how wide  is the actual lawn if the lawn is 48 millimeters in the drawing

Let

x -----> the actual wide of the lawn

\frac{2}{1}\frac{mm}{m}=\frac{48}{x}\frac{mm}{m}\\\\x=48/2\\\\x=24\ m

therefore

The actual wide of the lawn is 24 meters

6 0
3 years ago
What is the domain of the function f(x)=45/(x-23)?
galben [10]
Domain is the set of numbers you can use
usually, domain=all real numbers except those that divide by zero

so find those exceptions
find what numbers make deonenator equal to 0 and exclude them
x-23 is denom
x-23=0
x=23

doman is all real numbers except 23
5 0
4 years ago
Read 2 more answers
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