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julsineya [31]
3 years ago
11

Solution of 2/3 x =12 ?

Mathematics
1 answer:
Contact [7]3 years ago
7 0

Answer:

x = 18

Step-by-step explanation:

2/3 x = 12

x = 12 × 3/2

x = 6 × 8

x = 18

Hoping it helps you dear

Please follow me

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Yakvenalex [24]

Answer:

13.5

Step-by-step explanation:

speed  = distance/time

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40 = 9/x

so, x = 9/40

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(9/40)*60 = x

(9*60)/40 = x

540/40 =x

54/4 = x

27/2  = x

13.5 = x

hope this helps :)

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2 years ago
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Determine the standard form of the equation of the line that passes through (-5,0) and (0,-9)
azamat

Answer:

Step-by-step explanation:

Determine the standard form of the equation of the line that passes through (-5,0) and (0,-9)

a. 5x + 9y = -45

c. -9x + 5y = 45

b. 9x + 5y = -45

d. 5x - 9y = 45

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2 years ago
My fourth number is 39 my fifth number is 43 what is my first number ?
Stells [14]

Answer:

27

Step-by-step explanation:

39+4=43

27, 31, 35, 39, 43

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3 years ago
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Please help quick!! <br> Given ΔΡHS &amp; ΔCNF, find the values of x, y, and z.
valkas [14]

Answer:

x=24, y=10, z=17

Step-by-step explanation:

We know that \Delta PHS\cong\Delta CNF.

Then by CPCTC, ∠P≅∠C, ∠H≅∠N, and ∠S≅∠F.

Therefore, let’s solve for each of the angle relations.

∠P≅∠C:

We know that ∠P is 36°. ∠C is (4z-32)°. Therefore:

36=4z-32

Solve for z:

\begin{aligned}36&=4z-32\;\;\; \text{Add 32 to both sides}\\68&=4z\;\;\;\;\;\;\;\;\;\;\;\text{Divide both sides by 4}\\17&=z\end{aligned}

So, the value of z is 17.

∠H≅∠N

∠H is (6x-29) and ∠N is 115. So:

6x-29=115

Solve for x:

\begin{aligned} 6x-29&=115\;\;\;\;\;\;\text{Add 29 to both sides}\\6x&=144\;\;\;\;\;\;\text{Divide both sides by 4}\\\ x&=24\end{aligned}

Therefore, the value of x is 24.  

∠S≅∠F

We will need to find ∠S.

We already know that ∠P is 36.

∠H will be (6x-29). Substitute 24 for x to acquire: (6(24)-29)=144-29=115.

A triangle always totals 180°. Therefore, 115+36+∠S=180 or 151+∠S=180.

Therefore, ∠S=29.

∠F is (3y-1). So:

29=3y-1

Solve for y:

\begin{aligned} 29&=3y-1\;\;\;\;\;\text{Add 1 to both sides}\\ 30&=3y\;\;\;\;\;\;\;\;\;\;\text{Divide both sides by 3}\\ 10&=y\end{aligned}

Therefore, the value of y is 10.

So, x=24, y=10, and z=17.

And we are done!

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3 years ago
Does that look right
Tju [1.3M]

looks right to me! :)

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3 years ago
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