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Mathematics

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Elina [12.6K]3 years ago

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I believe the file i shared with you should help you

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What is the value of x in the equation 3x-4y=65 when y =4

Dovator [93]

3x - 4(4) = 65

First, simplify 4 × 4 to get 16. / Your problem should look like: 3x - 16 = 65
Second, add 16 to both sides. / Your problem should look like: 3x = 65 + 16
Third, simplify 65 + 16 to 81. / Your problem should look like: 3x = 81
Fourth, divide both sides by 3. / Your problem should look like: x = $\frac{81}{3}$
Fifth, simplify $\frac{81}{3}$ to 27. / Your problem should look like: x = 27

Answer: x = 27

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3 years ago

Which triangle congruence is this? SSS SAS AAS ASA HL

Tanzania [10]

Aas i belive . If not consult the other answer

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3 years ago

Mathematics Financial literacy

hichkok12 [17]

Answer:

$10,500

Step-by-step explanation:

since his income is b/n $50,000 and $100,000, he pays 15%, (15/100)70,000=$10,500

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3 years ago

what is perpendicular to y= 3x -9 and passes through the point (3,1)

GREYUIT [131]

$(3,1) , \ \ y= 3x -9 \\ \\ The \ slope \ is :m _{1} =3 \\ \\ If \ m_{1} \ and \ m _{2} \ are \ the \ gradients \ of \ two \ perpendicular \\ \\ lines \ we \ have \ m _{1} \cdot m _{2} = -1 \\ \\3\cdot m_{2}=-1 \ \ /:3\\ \\ m_{2}=-\frac{1}{3}$

$\Now \ your \ equation \ of \ line \ passing \ through \ (3,1) would \ be: \\ \\ y=m_{2}x+b \\ \\1=-\frac{1}{ 3} \cdot3 + b$

$1=-1+b\\ \\ b=1+1\\ \\b=2 \\ \\ y =- \frac{1}{3}x+2$

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3 years ago

56y - 8 in Distributive Property

FromTheMoon [43]

Answer:

8 ( 7 − 1 )

Step-by-step explanation:

Find the common factor.

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3 years ago