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JulijaS [17]
3 years ago
13

45 PTS!!! please help! Place the correct inequality interval in the appropriate blank. All intervals are listed with the variabl

e (x) regardless of the variable in the problem. There is one answer for each question.

Mathematics
1 answer:
Marizza181 [45]3 years ago
4 0

Answer:

im sorry i can barely see it

Step-by-step explanation:

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Malik's solution to the equation 2/5x-4y=10 when x=60 is shown below​
Hatshy [7]

Answer:

D. Malik substituted 60 for y instead of x.

Step-by-step explanation:

3 0
3 years ago
The scale for a map is 20 miles = 1/2 inch. The distance between two towns on the map is 3 3/4 inches. What is the actual distan
zubka84 [21]

Answer:

150 miles

Step-by-step explanation:

If 1/2 of an inch is 20 miles, we can assume that 1/4 of an inch is 10 miles, since half of 1/2 is 1/4 and 1/2 of 20 is 10.

Equipped with this information, we can divide 3 by 1/2 or multiply 3 by the reciprical, 2/1 to get how much we should multiply 20 by.

3*2=6

20*6=120

Then we can multiply 10 by 3 and add that on our answer, since there are still 3/4s left and 1/4=10 miles.

10*3=30

120+30=150

The actual distance is 150 miles.

Hope this helps!

4 0
3 years ago
The number of adults who attend a county fair (measured in hundreds of people) is represented by the function a(d)=−0.3d2+4d+9 ,
Lesechka [4]

Given is the function for number of adults who visit fair at day 'd' after its opening, a(d) = −0.3d² + 4d + 9.

Given is the function for number of children who visit fair at day 'd' after its opening, c(d) = −0.2d² + 5d + 11.  

Any function f(d) to find excess of children more than adults can be written as follows :-  

f(d) = c(d) - a(d).

⇒ f(d) = (−0.2d² + 5d + 11) - (−0.3d² + 4d + 9)

⇒ f(d) = -0.2d² + 0.3d² + 5d - 4d + 11 - 9

⇒ f(d) = 0.1d² + d + 2

6 0
3 years ago
Read 2 more answers
Which is a true statement about an isosceles right triangle?
AnnyKZ [126]

Let l be the length of a leg. Using the pythagorean theorem, the hypotenuse is

h = \sqrt{l^2+l^2}=\sqrt{2l^2}=l\sqrt{2}

So, the hypotenuse is \sqrt{2} times as long as either leg.

6 0
3 years ago
1. Solve.
Ivahew [28]

Step-by-step explanation:

2x × 3x +(-5×1)=6x-6=o

7 0
3 years ago
Read 2 more answers
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