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Lena [83]
3 years ago
8

What is the mathematical sum of 2+2

Mathematics
1 answer:
NikAS [45]3 years ago
4 0

Answer:

2 + 2 = 4

Step-by-step explanation:

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Gabriella needs a mason and must decide between 2 companies. For a service visit, Company A charges $65 to send a mason plus $30
Kamila [148]
So first we write out their respective charges
A=65+30x (x=hours of A)
B=30+47.5y (x= hours of B)

we want to know when A and B are equal so just set them to be equal

65+30x=30+47.5x
subtract 30 from both sides
35+30x=47.5x
multiplyboth sides by 2 to get rid of the nasty decimal
70+60x=95x
subtract 60x from both sides
70=35x
divide both sides by 35
2=x
they must work 2 hours for them to be equal

7 0
4 years ago
Read 2 more answers
point A is located at (2,6) and point B is located at (18,12) . what point partitions the directed line segment ab into a 2:3 ra
Lesechka [4]

(8.4, 8.4) or \left(\frac{42}{5}, \frac{42}{5}\right)

Explanation:

Given points are A(2, 6) and B(18, 12).

Let P(x, y) partitions the line segment in the ratio 2 : 3.

That is AP : PB = 2 : 3.

A(2, 6) can be taken as A(x_1, y_1).

B(18, 12) can be taken as B(x_2, y_2).

AP : PB can be taken as m : n = 2 : 3.

The coordinate of point P(x, y) divides line segment joining A(x_1, y_1)and B(x_2, y_2) in ratio m : n is

P(x,y)=(\frac{mx_2+nx_1}{m+n}, \frac{my_2+ny_1}{m+n})

Here, x_1 = 2, x_2=18, y_1=6, y_2=12 and m = 2, n = 3.

Substitute these in the above formula, we get

P\left(x, y\right)=\left(\frac{2 \times 18+3 \times 2}{2+3}, \frac{2 \times12+3 \times 6}{2+3}\right)

           =\left(\frac{36+6}{5}, \frac{24+18}{5}\right)

           =\left(\frac{42}{5}, \frac{42}{5}\right)

           = (8.4, 8.4)

Hence, the point partitions the line segment is (8.4, 8.4) or \left(\frac{42}{5}, \frac{42}{5}\right).

8 0
3 years ago
Read 2 more answers
if the sum of the interior angles of a square is 360,write an equation to show of one interior angle.
Alecsey [184]
The interior angle would be 360* degrees.. but i think 900* hope i could help.
5 0
3 years ago
If a person is making the first quartile salary for a construction worker, they are making more than what percentage of Teachers
Natali5045456 [20]

Answer:

They are making more than 50% of Teachers.

Step-by-step explanation:

In the diagram given showing the box plot for construction workers and teachers, the first quartile ranges from the whisker to the left and the beginning of the edge of the rectangular box.

Thus, comparing the first quartile for salary of Construction workers and Teachers, we would see that the first quartile mark is approximately the same as the median for Teachers. The median is the vertical line that divides the rectangular box.

Therefore, we can conclude that if a person is making a first quartile salary for construction worker ($30,000), they are receiving more than 50% of what Teachers are receiving. Median is about 50%. The median salary for Teachers is ($30,000).

3 0
3 years ago
How do you write and solve one step inequalities
ycow [4]

I honestly don't know I just want points


6 0
3 years ago
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