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ahrayia [7]
3 years ago
11

Help me someone smart

Mathematics
1 answer:
nasty-shy [4]3 years ago
3 0

Answer:

18: b. y= -x+6

19: c. y-3=2(x-3)

Step-by-step explanation:

i hope this helps :)

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A factory makes 1200 shirts every 6 hours.the factory makes shirts for 9 hours a workday. what is the fewest number of workdays
Dominik [7]
1. Divide the target number of shirts, 12,600 by the company's rate of making the shirts. That is,
                                 number of hours = 12,600 shirts/ (1200 shirts/6 hours)
                                                               = 63 hours
2. Determine the number of workdays for them to complete the shirts by dividing 63 hours by 9 hours/workday. This will give us an answer of 7 workdays. 
8 0
3 years ago
Which graph represents a function?​
Pepsi [2]

Answer:

The answer to this is the last one, the on all the way at the bottom.

Step-by-step explanation:

This is because no 2 coordinates/points line up.

4 0
3 years ago
Determine the equation of straight line which passes through the point (a, b)and perpendicular to ax+by=5
Citrus2011 [14]

Answer:

y=\frac{b}{a} x.

Step-by-step explanation:

1) if the required straight line is 'l', the given point is A(a;b), then the required equation of line can be written in form:

\frac{x-a}{x_1-a} =\frac{y-b}{y_1-b},

where (x₁;y₁) is other point B, which belongs to the 'l';

2) from the equation it is possible to detect the coordinates of the perpendicular, they are (x₁-a;y₁-b);

3) if the given perpendicular is ax+by=5, then the coordinates of the vector (a;b) are coordinates of the vector, which belongs to the required line 'l', and then: x₁-a=a and y₁-b=b;

4) if to substitute the a=x₁-a and b=y₁-b into the required equation of line 'l', then:

\frac{x-a}{a} =\frac{y-b}{b};

5) finally, the equation is: ay=bx, or y=b/a *x (slope-interception form).

note: the suggested solution is not the only way.

5 0
3 years ago
7 fruit tarts. Each tart needs 3/4 cup of strawberries and 1/4 cup of blueberries. What is the total amount of fruit needed
Murrr4er [49]
3/4 x 7 =5 and 1/4 cup
1/4 x 7 = 1 and 3/4 cup
1/4 + 3/4 =1 cup 
so 7 cups in total hope this helped:)! brainliest please:)?
6 0
3 years ago
Simplify the expression.<br> 4(b−6) +19 =
jolli1 [7]

Answer:

b=4/5 or 0.8

Step-by-step explanation:

4(B-6)+19=0

4b-24=-19

4b=5

b=4/5

6 0
2 years ago
Read 2 more answers
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