MATHEMATICS MIDDLE SCHOOL

Dupa ce a parcurs 2/5 din drum, unui biciclist i-au mai ramas de parcurs 48 km. Aflati lungimea drumului

Answers

Answer 1

Answer:

Answer:

The length of the road is 80 km

Step-by-step explanation:

The question in English is

After traveling 2/5 of the way, a bicyclist had 48 km left to travel. Find out the length of the road

Let

x -----> the length of the road

we know that

The linear equation that represent this problem is equal to

$x-(2)/(5)x=48$

solve for x

$(3)/(5)x=48$

$x=48*5/3$

$x=80\ km$

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Jimmy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of change in dollars he should give the customer. Which equation represents c?mc017-1.jpg mc017-2.jpg mc017-3.jpg mc017-4.jpg

Simplify. –10.5 – (–5.3) + 20.2

A.
36

B.
–36

C.
15

D.
–4.4

Answers

so you take -10.5+5.3+20.2=??

-10.5+5.3=-5.2

-5.2+20.2=15

Ur Answer Is 15

Did I Help??

Hope I Did!!

-10.5-(-5.3)+20.2
=-10.5+5.3+20.2
=15

.
..

(100 Points!)
Are the terms like terms?
2x + 2x^1

Yes
No

Answers

Answer:

Yes

Step-by-step explanation:

Yes, because a number to the first power is the same.

$2x = 2x^1$

Answer: Yes

Answer:

Yes

Step-by-step explanation:

2x¹ = 2x

A line has a slope of -5 and passes through (1,-1).which is the equation of the line in point - slope form?

Answers

the equation of a line which has the slope m and passes through the point A(x1,y1) has the formula:
y-y1=m(x-x1)
in your case m= -5 ; A(x1;y1)=(1;-1)
y-(-1)= -5(x-1)
y+1= -5(x-1)
answer is c

Answer:

The answer to the question is C) y + 1 = -5(x - 1)

Step-by-step explanation:

In order to find this, we start by looking at the base form of point-slope form.

y - y1 = m(x - x1)

Now we put the slope in for m and the point in for (x1, y1)

y + 1 = -5(x - 1)

Clark has 7 1/2 feet of wire. How many 3/4 pieces can Clark cut from the 7 1/2 feet of wire? Show your work.

Answers

To answer this first change 7 1/2 into 7.5 and 3/4 into .75 to find the answer divide 7.5 by .75 so the answer is 10 to check this multiply 10 by .75 and you should get 7.5. Hope this helped!

Clark would have a total of ten pieces

Find the area of a circle with a diameter of 22 inches. Use 3.14 for pi

Answers

The formula for the area of a circle is A = π r^2

r is the radius, which is half of the diameter.

The diameter is given as 22 inches, the radius would be 2 /2 = 11 inches.

Area = 3.14 * 11^2

Area = 3.14 * 121

Area = 379.94 square inches.

To do this, use this formula=The area is always pie times the radius to the 2nd(\pi r^{2} ). The radius is half the diameter(22/2) which is 11. Now we need to bring this to the power of 2 (11x11), which is 121. Now we multiply by pie (3.14x121) which is 379.94. Your answer is

379.94 inches!!!!

The residents of a city voted whether to raise property taxes. The ratio of yes votes was 7 to 4. if there were 5425 yes votes, what was the total numbers of votes?