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Nutka1998 [239]
2 years ago
7

A contractor needs 54 square feet of brick to construct a rectangular walkway. The length of the walkway is 15 feet more than th

e width. Write an equation that could be used to determine the dimensions of the walkway. Solve this equation to find the length and width, in feet, of the walkway.
Mathematics
1 answer:
professor190 [17]2 years ago
3 0
54-14 it’s pretty easy
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A survey was taken of twenty dentists about Sparkly toothpaste. Sixteen of the dentists recommended Sparkly toothpaste to their
Bas_tet [7]

Answer: There are 40 dentists who would recommended Sparkly toothpaste to their patients .

Step-by-step explanation:

Since we have given that

Out of 20 dentists, a survey was taken of about Sparkly toothpaste,

Number of dentists recommended Sparkly toothpaste to their patients = 16

Percentage of dentists who recommended Sparkly toothpaste to their patients be

\frac{16}{20}\times 100=80\%

Out of 30 dentists, a survey was taken of about Sparkly toothpaste,

Number of dentists recommended Sparkly toothpaste to their patients = 24

Similarly,

Percentage of dentists who recommended Sparkly toothpaste to their patients be

\frac{24}{30}\times 100=80\%

Now, we have asked to find the number of dentists recommended Sparkly toothpaste to their patients if survey was taken of 50 dentists.

As we have seen that there is always 80% of total number of dentists surveyed have recommended Sparkly toothpaste to their patients ,

so, According to this pattern , we get that

\frac{80}{100}\times 50=40

Hence, there are 40 dentists who would recommended Sparkly toothpaste to their patients .


5 0
2 years ago
Using the variable​ x, translate the sentence into an equation. Solve the resulting equation.
Nuetrik [128]
4+x=18, the sum would make it an addition problem and x would represent "a number".
3 0
3 years ago
Point O is the center of the circle in the diagram. What is m∠BCA ?
netineya [11]
The sum of angle around a point equal 360°
so (BOA) = 360-250=110°
and the sum of angle in the shape CAOB = 360°
so BCA = 360-(110+90+90)= 70°
THE ANSWER IS C.70°
7 0
3 years ago
If three slugs have six eye-stalks, then two will have __ eye-stalks
blondinia [14]

Answer:

two

Step-by-step explanation:

3 0
2 years ago
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m_a_m_a [10]

Answer:

B

Step-by-step explanation:

it's basically divided

5 0
2 years ago
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