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tia_tia [17]
3 years ago
15

17. A warehouse has 5 shelves long enough to hold 8 boxes and high enough to hold 4 boxes. All the shelves are full. How many bo

xes are there?
Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

<h3>Total 20 boxes are there. </h3>

Step-by-step explanation:

Total number of shelves in a warehouse = 5 shelves.

Each shelve either can hold maximum 8  boxes with their lengths or can hold 4 boxes with their heights.

So, in that case only 4 boxes could be hold in each of 5 shelves because only 4 boxes could be fit with their heights.

Therefore, total number of boxes = 5 × 4 = 20 boxes .

<h3>Therefore, total 20 boxes are there. </h3>
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How do you prove that angles are parallel?
3241004551 [841]

Answer:#1

if corresponding angles are congruent


#2

if alternate interior angles are congruent


#3

if consecutive, or same side, interior angles are supplementary


#4

if two lines are parallel to the same line


#5

if two lines are perpendicular to the same line


#6

if alternate exterior angles are congruent




7 0
3 years ago
Read 2 more answers
9. Determine whether (-3,2) is a solution of<br> Y = 2x +8<br> Y= -X+1
miss Akunina [59]
2 = 2(-3) + 8
2 = -6 + 8
2 = 2

true.

2 = 3 + 1
2 = 4

false.

this is not a solution because both equations have to be true.
4 0
2 years ago
The equation of a line is y = 4x + 15. what is the y-intercept of the line.
Stels [109]

Answer:

15

Step-by-step explanation:

y = 4x + 15 \\ equating \: it \: with \\ y = mx + b \\ we \: find \\ b = 15 \\  \implies \: y - intercept = 15

4 0
3 years ago
Sam decided that he is going to start biking to work as much as possible. After 4 days of work Sam has
mr_godi [17]

Answer:

<u>Proportion:</u>

<u>4/15 = 20/75</u>

<u>Sam will bike 37.5 km after 10 days.</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

4/15 = 20/75

b. Solve for the amount of km in part (a).

Let's use the proportion, this way:

20/75 = 10/x

20x = 75 * 10

20x = 750

x = 750/20

x = 37.5

<u>Sam will bike 37.5 km after 10 days.</u>

4 0
3 years ago
Consider the initial value problem 2ty′=4y, y(2)=−8. 2ty′=4y, y(2)=−8. find the value of the constant cc and the exponent rr so
Softa [21]
2ty'=4y
Replacing y'=dy/dt in the equation:
2t(dy/dt)=4y
Grouping terms:
dy/y=4dt/(2t)
dy/y=2dt/t
Integrating both sides:
ln(y)=2ln(t)+ln(c), where c is a constant
Using property logarithm:  b ln(a) = ln(a^b), with b=2 and a=t
ln(y)=ln(t^2)+ln(c)
Using property of logarithm: ln(a)+ln(b) = ln(ab), with a=t^2 and b=c
ln(y)=ln(ct^2)
Then:
y=ct^2
Using the initial condition: y(2)=-8
t=2→y=-8→c(2)^2=-8→c(4)=-8
Solving for c:
c=-8/4
c=-2

Then the solution is y=-2t^2
Comparing with the solution: y=ct^r
c=-2, r=2

Answer: T<span>he value of the constant c is -2 (c=-2) and the exponent r is 2 (r=2)</span>
 
5 0
3 years ago
Read 2 more answers
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