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ozzi
3 years ago
12

Which statement can be made about a line in slope-intercept form when the graph of the line appears to slant downward from left

to right?

Mathematics
2 answers:
olchik [2.2K]3 years ago
7 0

Answer with explanation:

The equation of line in Slope intercept form is:

⇒    y= m x +C

y= x tan (Angle made by line with positive Direction of X axis) +C(Y-Intercept)

It is given that, graph of the line appears to slant downward from left to right.

⇒It means ,the angle that the line is making with X axis should be:

   90°<Angle<180°

  as i have drawn the line about the given information.

⇒Tan (90°< Angle <180°)= Negative

So, we can say that slope of line will be Negative.

Harrizon [31]3 years ago
5 0
That is a negative slope
The coefficient of x in the equation of the line will be negative.
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four apples and one banana cost £1.40 seven apples and one banana cost £2.00 work out the cost of an apple and the cost of a ban
beks73 [17]

Answer:

  • apple: £0.20
  • banana: £0.60

Step-by-step explanation:

Let "a" and "b" represent the costs of one apple and one banana, respectively. Then the purchases can be written ...

  4a +b = 1.40

  7a +b = 2.00

Subtracting the first equation from the second gives ...

  (7a +b) -(4a +b) = (2.00) -(1.40)

  3a = 0.60 . . . . simplify

  a = 0.20 . . . . . .divide by 3

Using this in the first equation, we have ...

  4(0.20) +b = 1.40

  b = 0.60 . . . . . subtract 0.80

The cost of an apple is £0.20; the cost of a banana is £0.60.

8 0
3 years ago
A boundary stripe 6 in. wide is painted around a rectangle whose dimensions are 120 ft by 230 ft. Use differentials to approxima
Nimfa-mama [501]

Answer:

350 square feet

Step-by-step explanation:

We are given that

Width of strip=6 in

Dimension of rectangle=20 ft\times 230 ft

We know that

Area  of rectangle ,A=xy

Differentiate

dA=\frac{\partial A}{\partial x}x+\frac{\partial A}{\partial y}y

We have \frac{\partial A}{\partial x}=y=230 ft

\frac{\partial A}{\partial y}=x=120

dx=\frac{12}{12}=1 ft

1 ft=12 in

Because 6 in added in both side of breadth

dy=\frac{12}{12}=1 ft

Because 6 in added on both sides of length of rectangle

Substitute the values

dA=230\times 1+120\times 1=350 ft^2

Hence, the number of square feet of paint in the strip=350 square feet

7 0
3 years ago
John will paint the four walls of his rectangular basement. The basement measures 10 feet long, 13 feet wide, and 8 feet high an
Svetlanka [38]

Answer:

D. 1,019 square feet

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3 0
2 years ago
One cup of sweetened condensed milk weighs 10.8 ounces.How many whole cups of sweetened condensed milk can you get from a​ 15-po
ElenaW [278]

Answer:

162 ounces

Step-by-step explanation:

conversion problem

1 cup = 10.8 ounces

15*10.8=162

5 0
2 years ago
If e || f and a || b, what is the value of y. *
Blizzard [7]

Answer:

y = 90

Step-by-step explanation:

Since, e || f and a || b

Therefore, quadrilateral so formed is a rectangle.

Each angle of a rectangle is right angle.

\therefore \: y \degree = 90 \degree \\  \\  \huge \red{ \boxed{ \therefore \: y  = 90}}  \\  \\

3 0
3 years ago
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