Martina is going to wallpaper her wall in her bedroom.The wall is 11 feet 4 inches wide and 8 feet 3 inches high. A roll of of wallpaper is 21 inches wide and 30 inches long. Whole strips of wallpaper are cut from the roll, then glued vertically onto the wall. How many whole strips of wallpaper can Martina cut from one roll of paper?
Answers
= 11ft = 132in. Add 4 in.
132+4 = 136 inches
8 ft = 96 in. Add 3 in.
96 + 3 = 99 inches
Area of the wall is l*w = 99* 136 = 13,464 in^2
Area of one strip = 30*21 = 630 in^2
630 in = 1 strip
13464 in = X
630*X = 13464
X= 13464/630
X= 21.37
They need whole. So, Rounding it will give it 21 strips.
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At the animal shelter there are 15 dogs 12 cats 3 snakes and 5 parakeets which animal makes up approximately 14 % of the animals in the shelter
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For the number 3.48 we have:
We multiply and divide the number by 100:
We simplify the fraction obtained.
Answer:
3.48 repeating as a fraction is:
For the number 1.07 we have:
We multiply and divide the number by 100:
The fraction obtained can not be simplified because we do not have multiples of the numerator and denominator equal.
Answer:
1.07 repeating as a fraction is:
Answers
Answer:
The answers are 654 and 74082.
Answers
The difference of the given mixed fractions is .
The given fractions are and
.
Subtracting fractions include the subtraction of two or more fractions with the same or different denominators. Like fractions can be subtracted directly but for unlike fractions we need to make the denominators same first and then subtract them.
Here, can be written as
and
can be written as
.
Now,
Therefore, the difference of the given mixed fractions is .
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f(x)=2x-7; (-2,-1,0,1,2)
Answers
Answer:
{-11, -9, -7, -5, -3}
Step-by-step explanation:
Put each domain value into the function to find the corresponding range value. The range is the list of all of those values.
__
range = f(domain)
= 2{-2, -1, 0, 1, 2} -7 = {-4, -2, 0, 2, 4} -7
= {-11, -9, -7, -5, -3} . . . . . the range for the given domain
_____
If you have a lot of function values to find, a spreadsheet or calculator can be helpful.
Final answer:
By substituting values from the domain (-2, -1, 0, 1, 2) in the function f(x) = 2x - 7, we get the range as {-11, -9, -7, -5, -3}.
Explanation:
In the given function f(x) = 2x - 7, to find the range, we substitute the values from the given domain (-2,-1,0,1,2).
- For x=-2, f(-2)= 2*(-2) -7 = -4 -7 = -11.
- For x=-1, f(-1)= 2*(-1) -7 = -2 -7 = -9.
- For x=0, f(0)= 2*(0) -7 = 0 -7 = -7.
- For x=1, f(1)= 2*(1) -7 = 2 -7 = -5.
- For x=2, f(2)= 2*(2) -7 = 4 -7 = -3.
Hence, the range of the function for the given domain (-2,-1,0,1,2) is {-11, -9, -7, -5, -3}.
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Answers
81 and 100 have no common factor.
So 81/100 can't be simplified.
Answers
81=3x+3 combine like terms
-3-3 subtraction property of equality
78=3x
/3/3 division property of equality
26=x symmetry property
x=26
x+1=27
x+1=28/
26,27,28
26+27+28=81
so,26.27.and 8