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dimulka [17.4K]
3 years ago
12

Explain what operation can be used to solve the equation 3.5n=10.5. What is the value of n

Mathematics
1 answer:
coldgirl [10]3 years ago
4 0

Answer:

see below

Step-by-step explanation:

3.5n=10.5

Divide each side by 3.5 to isolate n

3.5n /3.5 = 10.5/3.5

n =3

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Suppose you are taking 2 cars. Each car gets 24 miles per gallon. How many gallons of gas will you need in total for both cars i
makkiz [27]
54/24 = 2.25, which is more than 2, so it rounds up to 3. So, one car will need three gallons. Since there are two cars, six gallons will be needed. 
7 0
3 years ago
Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21
Mice21 [21]

Answer:

(-4,-13) and (4,3) the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

f(x)=2x-5

g(x)=x^2+2x-21

For a common point of these functions,

f(x)=g(x)

2x-5=x^2+2x-21

-5=x^2-21

0=x^2-16

x^2=16

x=-4,4

For x=-4,

f(-4)=g(-4)=2(-4)-5

                       =-13

For x=4,

f(4)=g(4)=2(4)-5

                  =3

Therefore, (-4,-13) and (4,3) the intersection points.

3 0
3 years ago
Simply 8t + 6r - 3t + 2r
ehidna [41]

Answer: 8r+5t

Step-by-step explanation:

8t + 6r - 3t + 2r

8t-3t= 5t

6r+2r=8r

= 8r+5t

4 0
3 years ago
Read 2 more answers
Anyone can help me out on this? :)
Charra [1.4K]

Answer:

the answer is c, science CANNOT answer all questions

6 0
3 years ago
A wheel has a radius of 12 cm. Approximately how far does it travel in 2 revolutions?
pishuonlain [190]
150.72 cm is your answer 
7 0
3 years ago
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