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padilas [110]
3 years ago
14

Which expression is equivalent?

Mathematics
1 answer:
ANEK [815]3 years ago
3 0
The equivalent expression is b)
The second one
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Two paths each 2m wide run across the middle of a rectangular field. If the area of the cross path is 196m and its length is 60m
Naddik [55]

Answer:

d=2m

Area(A)=196m

l=60m

Now,

A=d(l+b-d)

196=2(60+b-2)

196=2(58+b)

196=116+2b

2b=196-116

2b=80

b=40m

5 0
2 years ago
This is the new update of the question
anzhelika [568]

Answer:

d

Step-by-step explanation:

If x represents the slant height, the graph would be a straight line.

If x represents the radius, the graph would be a parabola.

Looking at the answers, we're looking for x to be the slant height, so we're looking for a straight line.

We are looking for g(x). Answers a and b are wrong.

In g(x) r is fixed to 5 (this is given). So the slant height in the smallest possible cone would still be at least 5.

So the domain is x > 5.

d is your answer.

8 0
3 years ago
Read 2 more answers
At the beginning of a 10-hour experiment,a substance has an initial temperature of 19.7 degrees C. The substance is cooled at a
Olin [163]

Answer:

-6.3

Step-by-step explanation:

2.6 * 10 (10 hours and 2.6 degrees) = 26

19.7 - 26 = -6.3



3 0
3 years ago
Prove:ABCD is a parallelogram
labwork [276]

Answer:

Given

Step-by-step explanation:

<A and <D are supplementary

7 0
3 years ago
A survey showed that 30% of students bring their lunch to school. The survey polled 300 students. How many of the 300 students d
Karolina [17]

Let's first find how many students bring their lunch to school. This is 30% of 300. To find this value, convert the percentage to a fraction (or decimal) and multiply:

30\% \,\, \textrm{of} \,\,300 = \dfrac{3}{10} \cdot 300 = \dfrac{900}{10} = 90


Since 90 students bring their lunch to school, we can say 210 students do not bring their lunch to school. (300 - 90 = 210)

8 0
3 years ago
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