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Ksju [112]
3 years ago
7

Select the correct answer from each drop-down menu.

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0

Answer:

Both questions are true.

Step-by-step explanation:

The general mathematical equation of a line can be written as y = ax + b .

If we rearrange the two equations given in the question as follows:

5y = 3x + 22 and 20y = 12x + 11

We can see that they follow the general equation we defined earlier so we can say that they represents linear lines.

The 20y = 12x + 88 given in the second question also represents a similar linear line with a different slope.

So the two questions are both true.

I hope this answer helps.

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Is it possible to multiply a 3 by 4 matrix and a 2 by 2 matrix
WINSTONCH [101]
No, because the number of rows of the first one has to equal the number of collumns in the 2nd matrix

none of them are equal (except 2=2 but same matrix0

cannot multiply
8 0
4 years ago
Mrs. Taylor spent $420 on groceries for the week and paying bills. This is 30% of her income for the month. How much money does
natita [175]

Answer: Ms. Taylor earns $1400 a month (good for her)

Step-by-step explanation:

420/3 = $140

$140 x 10 = 1400

5 0
3 years ago
A certain machine is to contain two wheels, one of radius 2 inches and one of radius 8 inches. The
pshichka [43]

Answer:

62.83 in

Step-by-step explanation:

C is circumference

r is the radius

We sum up both, given first one radius is 2 and second one radius is 8, so we have:

The length of the belt should be around 62.83 in

3 0
2 years ago
A company manufactures aluminum mailboxes in the shape of a box with a half-cylinder top. The company will make 1485 mailboxes t
Gnoma [55]

Answer:8746.65\ m^2

Step-by-step explanation:

Given

Base of mail box is 0.4\ m\times 0.7\ m

height of mail box h=0.55\ m

Total area required for one mail box

A_t=\text{surface area of cubiod} - \text{Top of cubiod +Semi-cylinder area}

A_t=2(lb+bh+hl)-lb+\pi rh'

where b=0.4\ m

l=0.7\ m

h=0.55\ m

r=\frac{0.4}{2}=0.2\ m

h'=0.7\ m

Substituting values

A_t=2(0.7\times 0.4+0.4\times 0.55+0.55\times 0.7)-0.4\times 0.7+\pi \times 0.2\times 0.7

A_t=2(0.28+0.385+0.22)-0.28+\pi \times 0.14

A_t=1.77-0.28+4.4

A_t=5.89\ m^2

Therefore for 1485 mailboxes Area required

A_o=1485\times 5.89=8746.65\ m^2

4 0
4 years ago
What is one way a person can increase the wages he or she expects to earn?
777dan777 [17]
It sounds like it must be B
6 0
3 years ago
Read 2 more answers
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