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pantera1 [17]
3 years ago
5

Evaluate y/4-2y-3 when y = -4​

Mathematics
2 answers:
Nastasia [14]3 years ago
7 0

Answer:

4

Step-by-step explanation:

Hope that helps!

Valentin [98]3 years ago
6 0

9514 1404 393

Answer:

  4

Step-by-step explanation:

Substitute the given value for y, then do the arithmetic.

  \dfrac{y}{4}-2y-3\\\\=\dfrac{-4}{4}-2(-4) -3 \qquad\text{use $y=-4$}\\\\=-1+8-3=7-3=\boxed{4}

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280 in the ratio 3:5
Sonja [21]

Answer:

105:175

Step-by-step explanation:

3+5 = 8

3/8 of 280 is 105.

5/8 of 280 is 175.

the ratio is 105:175

next we have to simplify it:

divide both sides by 5:

21:35 divide both sides by 7=

3:5

7 0
3 years ago
SOMEONE HELP ME PLEASE
Dmitrij [34]

Answer:

Undetermined

Step-by-step explanation:

The Y values for the two points are the same (-3).  So that means your line is a horizontal line.  Slope for a horizontal line is called Undetermined.

4 0
3 years ago
The length of a rectangle is a two-digit number with identical digits (aa). the width is 1/10 of the length. the perimeter is 2
Pavlova-9 [17]
L = 10a + a
L = 11 a
W = 1/10 (11a)
W = 1.1 a

Perimeter = 2(L + W)
Perimeter = 2*(11a + 1.1a)
Perimeter = 22a + 2.2 a
Perimeter = 24.2 a

Area = L * W
Area = 11a * 1.1a
Area = 12.1 a^2
 
The perimeter is 2*area
P = 2*A
P = 2* 12.1 a^2
P = 24.2 a^2

Now put in the perimeter on the left side of the above equation.
24.2a = 24.2 a^2 Divide both sides by 24.2
1 a = a^2 Divide by a
1 = a

The length = 11*a = 11*1 = 11
The Width =  1.1 a = 1.1 * 1 = 1.1

Answers
L = 11 <<<<<<< answer
W = 1.1 <<<<<< answer
5 0
3 years ago
Find the diameter of a circle with an area of 676π square centimeters.
Alex_Xolod [135]
A = \pi r^2 \\&#10;676\pi = \pi r^2 \\&#10;r = \sqrt{676} = 26

Therefore, the diameter is twice of that:
52 centimeters.
8 0
3 years ago
A coordinate map of the local grocery store is shown below. Ice cream is located at the point (-8,0)(−8,0)left parenthesis, minu
Alona [7]

Answer:

Step-by-step explanation:

If on the coordinate map, ice cream is located at the point (-8,0) and sprinkles are located at the point (-8,6), we can find the distance between the coordinate points using the formula;

D = √(x2-x1)²+(y2-y1)²

Given

x1 = -8, y1 = 0, x2 = -8 and y2 = 6

Substitute

D = √(x2-x1)²+(y2-y1)²

D = √(-8-(-8))²+(6-0)²

D = √0²+6²

D = √36

D = 6units

Hence the distance between the coordinate points is 6units

7 0
3 years ago
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