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3 years ago

Rewrite the equation below into standard form. -3/2x=-2/5y-10/3

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

7 0

Answer:

Step-by-step explanation:

You want to rewrite the equation

Ax +By=C A,B,C are integers

30(-3/2x) = 30(-2/5y-10/3)

-45x = -12y - 100

-45x + 12y = -100

kaheart [24]3 years ago

4 0

Answer:

standard form is 45x -12y -100 = 0.

Step-by-step explanation:

Given the equation is -3/2x=-2/5y-10/3.

Finding common denominator, L.C.M.(2,5,3) = 30.

Multiplying both sides by 30.

30*(-3/2x) = 30*(-2/5y-10/3)

-45x = -12y -100

Moving all terms on left side, keeping right side equal to 0.

-45x +12y +100 = 0

Making x's coefficient positive by changing all signs.

45x -12y -100 = 0

Hence, standard form is 45x -12y -100 = 0.

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Find the value of cos θ if the angle θ is in the third quadrant and sinθ= -0.8

Rudiy27

Correct option is D) -0.6.

Step-by-step explanation:

We have $sin\alpha = -0.8$ . Also, we know that $cos\alpha = \sqrt{1- (sin\alpha } )^{2}$ . Let's find out value of $cos\alpha$ using above formula:

$cos\alpha = \sqrt{1- (sin\alpha } )^{2}$

⇒ $cos\alpha = \sqrt{1- (sin\alpha } )^{2}$

⇒ $cos\alpha = \sqrt{1- (-0.8 } )^{2}$

⇒ $cos\alpha = \sqrt{1- (0.64 } )^{}$

⇒ $cos\alpha = \sqrt{0.36}$

⇒ $cos\alpha = 0.6$

But we know that cos $\alpha$ is negative in third quadrant , Therefore $cos\alpha = -0.6$ .

Hence, correct option is D) -0.6.

3 0

3 years ago

Please help anyone......

Neko [114]

Answer:

5. is 39 and i don't want to answer the other one sorry:(

Step-by-step explanation:

7 0

3 years ago

1/5 x -5 hahshdnajjsjfnenw

Artyom0805 [142]

=1/5 × -5

=-5/5

=-1

hence the answer is -1

5 0

3 years ago

Read 2 more answers

Raphael graphed the functions g(x)=x+2 and f(x)=x−1. How many units below the y-intercept of g(x) is the y-intercept of f(x)? A

jasenka [17]

Answer:

3 units below the y-intercept of g(x) is the y-intercept of f(x)

Step-by-step explanation:

$g(x)=x+2$ and $f(x)=x-1$

In f(x)= mx+b the y intercept is b

In $g(x)=x+2$ , the y intercept value is 2

In $f(x)=x-1$ , the y intercept value is -1

the difference in y intercept is +2-(-1)=+3

3 units below the y-intercept of g(x) is the y-intercept of f(x)

4 0

4 years ago

Read 2 more answers

Please help me with this ASAP

meriva

Answer:

Step-by-step explanation:

15x+19=2(10x+2)

15x+19=20x+4

19-4=20x-15x

15=5x

x=3

PQ=QN

10x+2=

10(3)+2=

30+2=

6 0

3 years ago