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kirza4 [7]
3 years ago
6

Pls help i will mark brainleist

Mathematics
1 answer:
lara [203]3 years ago
6 0

Answer:

ok so term 9 coefficent 5 term factor 1 quotient division sign sum add sign product x signf

Step-by-step explanation:

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Find the value of x.
olchik [2.2K]

Answer:

x = 4

Step-by-step explanation:

In \triangle BAC, \: DE || AC

Hence, by basic proportionality theorem:

\frac{x + 2}{x}  =  \frac{3}{2}  \\  \\  \therefore \: 2(x + 2) = 3x \\ \therefore \:2x + 4 = 3x \\ \therefore \:4 = 3x - 2x \\ \therefore \:4 = x \\  \huge \red { \boxed{\therefore \:x = 4}}

7 0
3 years ago
Examine the system of equations. y = 3 2 x − 6, y = −9 2 x + 21 Use substitution to solve the system of equations. What is the v
nadezda [96]

Answer:

<h2>y = -4/9</h2>

Step-by-step explanation:

Given the system of equations y = 3/2 x − 6, y = −9/2 x + 21, since both expressions are functions of y, we will equate both of them to find the variable x;

3/2 x − 6 = −9/2 x + 21,

Cross multiplying;

3(2x+21) = -9(2x-6)

6x+63 = -18x+54

collecting the like terms;

6x+18x = 54-63

24x = -9

x = -9/24

x = -3/8

To get the value of y, we will substitute x = -3/8 into any of the given equation. Using the first equation;

y = 3/2x-6

y = 3/{2(-3/8)-6}

y = 3/{(-3/4-6)}

y = 3/{(-3-24)/4}

y = 3/(-27/4)

y = 3 * -4/27

y = -4/9

Hence, the value of y is -4/9

4 0
3 years ago
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Which of the following does not describe slope?
Hoochie [10]
C so a proportional relationship
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3 years ago
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Which one is the right answer ?
Darina [25.2K]

Answer:

c

Step-by-step explanation:

4 0
2 years ago
Which number(s) below belong to the solution set of the equation? Check all that apply
lys-0071 [83]

Answer:

salut

X+6=45

X=45-6

X=39


Step-by-step explanation:


3 0
3 years ago
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