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dedylja [7]
3 years ago
7

I need to know this question: 12x2+17x+6​

Mathematics
2 answers:
Schach [20]3 years ago
6 0

Answer:

30+17x

Step-by-step explanation:

tino4ka555 [31]3 years ago
3 0

Answer:

Hint just simplfy and apply bodmas

You get:30+17x

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Now try 50 for x. If x=50,what I'd y when y=x-20? Does that work with the other equation?
SSSSS [86.1K]
X= 50
Replace the x with the given number.
Y= 50-20
Y= 30
5 0
3 years ago
A rectangles length is 2 in more than its width. The area of the rectangle is 143 square inches. Find the dimensions of the rect
Anastaziya [24]

Answer: The length is 13 inches and the width is 11 inches.

Step-by-step explanation:

Let L represent the length of the rectangle.

Let W represent the width of the rectangle.

The formula for determining the area of a rectangle is expressed as

Area = LW

The area of the rectangle is 143 square inches. This means that

LW = 143 - - - - - - - - - - - - --1

The rectangle's length is 2 in more than its width. This means that

L = W + 2

Substituting L = W + 2 into equation 1, it becomes

W(W + 2) = 143

W² + 2W - 143 = 0

W² + 13W - 11W - 143 = 0

W(W + 13) - 11(W + 13) = 0

W + 13 = 0 or W - 11 = 0

W = - 13 or W = 11

Since the width cannot be negative, it means that W = 11

L = W + 2 = 11 + 2

L = 13

4 0
3 years ago
Can someone help pls 18-3 X 2/5-1^2
d1i1m1o1n [39]

Answer:

3

Step-by-step explanation:

Remember the order of operations using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).  So, you get  18 - 6   / 5-1  = 12/4 = 3

7 0
2 years ago
Read 2 more answers
Find the gradient of the line segment between the points (-4,-5) and (2,-4).
Anna11 [10]

Answer:

   1/6

Step-by-step explanation:

The gradient of the line segment is the same as slope

m = (y2-y1)/(x2-x1)

   = ( -4 - -5)/( 2 - -4)

   = (-4+5)/( 2 +4)

   1/6

8 0
3 years ago
Read 2 more answers
X varies directly as y. If x is 9 when y is 4, find x when-y is 8.
jeka94

Answer:

see explanation

Step-by-step explanation:

Given x varies directly as y then the equation relating them is

x = ky ← k is the constant of variation

To find k use the condition x = 9 when y = 4

k = \frac{x}{y} = \frac{9}{4} = 2.25

x = 2.25y ← equation of variation

When y = 8, then

x = 2.25 × 8 = 18

4 0
3 years ago
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