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exis [7]
3 years ago
8

Hadley runs several times around the

Mathematics
1 answer:
Nady [450]3 years ago
7 0
1.75 - .40 is 1.35 so 1.35 divided by .15 is 9 do she ran the track 9 times
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A rain gutter is made from sheets of aluminum that are 20 inches wide by turning up the edges to form right angles. Determine th
Mice21 [21]
<span>For the answer to this question,

Let x = depth of the gutter
then
18 - 2x = width of the gutter
Cross section area 
A = depth  x  width

</span><span> = x(18 - 2x)
A = 18x - 2x^2
:
Axis of symmetry will give x value for max area:

x = -b/(2a)
x = -18/(2x(-2))

x = 4.5 inches is the depth for max area

</span><span>Max area: 4.5 * 9 = 40.5 sq/in

I hope my answer helped you.</span>
3 0
3 years ago
Factor the following , it is not prime
MrMuchimi
So 1/9-16z^2 this is a diffirence of two perfect squares thing
so (1/3)^2-(4z)^2
so ((1/3)-4z)((1/3)+4z)

4 0
4 years ago
Use the distributive property to factor the following. <br><br> ab+bc
Ghella [55]
Ab + bc = ba + bc = b( a + c )
6 0
4 years ago
Paul is making banana bread. The number of cups of bananas he uses is proportional to the number of loaves of bread. Paul uses 1
drek231 [11]

The equation that best represents the relationship between the number of loaves of bread which is denoted by b and the number of cups of bananas which is denoted by c is c = 2 1/4b.

We know that we need 11 ¼ cups of bananas is needed to make 5 loaves of bread.

We need to divide 11 ¼ to 5 which the answer is 2 ¼. The 2 ¼ represents how many cups is needed to make 1 loaf of bread.

7 0
3 years ago
Name two different numbers that round to 30 when rounded to the nearest ten
andrew11 [14]

For this case we have the following definition:

tens place: number of two digits whose absolute value is greater than zero.

Then, we have the following rounding rule:

If the previous number is greater than or equal to five, the next number increases by one unit.

We then have the following numbers rounded to 30 when rounded to the nearest ten:

26: twenty-six

27: twenty-seven

Answer:

two different numbers that round to 30 when rounded to the nearest ten are:

26: twenty-six

27: twenty-seven

6 0
3 years ago
Read 2 more answers
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