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wariber [46]
3 years ago
7

Box method, I don’t know the missing numbers

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

Answer:

5) x

6) -7

7) 3

Step-by-step explanation:

if you fill in those numbers and solve, x times x = x^{2}, x times -7 = -7x, 3 times x = 3x, and -7 times 3 = -21.

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Bob sells part of a 50-acre rectangular plot of land he owns so that he can still own a smaller rectangular plot within the orig
Nuetrik [128]

Considering the area of a rectangle, it is found that the area of Bob's remaining plot of land is of 12.5 acres.

<h3>What is the area of a rectangle?</h3>

The area of a rectangle of length l and width w is given by the multiplication of these dimensions, that is:
A = lw.

In this problem, both the length and the width are divided in half, hence the proportion remaining is given by:

A = 0.5l x 0.5w = 0.25lw = 25% of the initial area.

Hence:

0.25 x 50 = 12.5.

The area of Bob's remaining plot of land is of 12.5 acres.

More can be learned about the area of a rectangle at brainly.com/question/10489198

#SPJ1

5 0
1 year ago
The base of a cylinder has an area of 64π in2. If the height of the cylinder is 10 in., what is the total volume?
Stells [14]

Answer:

see explanation

Step-by-step explanation:

The volume (V) of a cylinder is

V = area of base × height

here area of base = 64π and height = 10, hence

V = 64π × 10 = 640π in³ ← exact value


5 0
3 years ago
Read 2 more answers
I need help this is urgent <br><br> Write an equation of the line below
Kamila [148]
Given the line, we have points (0,4),(1,3), (2,2), (3,1) and (4,0)
Hence, y= 4-x
7 0
3 years ago
What is the tangent ratio for ∠A?
tiny-mole [99]

for this case we have to define trigonometric relations of rectangular triangles, that the tangent of an angle is given by the leg opposite the angle on the leg adjacent to the angle. So:

tg (A) = \frac {6} {8} = \frac {3} {4}

Answer:

tg (A) = \frac {3} {4}

8 0
2 years ago
Stacey, Mia, and Harper want to make invitation cards for the annual school dance. It would take Stacey and Mia 4 hours each to
Reptile [31]

The rate of doing work is the ratio of work and time. The time it will take for all of them to make the invitation cards is 1.2 hours.

<h3>What is the relation between work, rate, and time?</h3>

The rate of doing work is the ratio of work and time. Therefore, the relation between the work, rate of doing work and time is,

Rate of doing work = Work / Time

Assume the total work to be represented by x.

Given that It would take Stacey and Mia 4 hours each to do the job. Therefore, the rate at which Stacey and Mia both work can be written as,

Stacey's rate of working = Mia's rate of working = Work/time = x/4

Also given that Harper alone could do the job in 3 hours. Therefore, the rate at which Harper will work is,

Harper's rate of working = x/3

Now, the rate at which the three of them will work together is,

Rate of all three = (x/4) + (x/4) + (x/3)

                           = (3x/12) + (3x/12) + (4x/12)

                           = 10x/12

                           = 5x/6

Further, the time it will take for all of them to make the invitation cards are,

Time = Work/ Rate of working

Time = x/(5x/6) hours

Time = 6x/5x hours

Time = 1.2 hours

Hence, the time it will take for all of them to make the invitation cards is 1.2 hours.

Learn more about Work, time and rate here:

brainly.com/question/23308203?referrer=searchResults

#SPJ1

5 0
1 year ago
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