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3 years ago

On the graph of the equation 3x + 2y = 18, what is the value of the y-intercept? (1 point) −9 −6 6 9

Mathematics

2 answers:

azamat3 years ago

8 0

Answer: The answer is y=9 i did the math twice to make sure.

Step-by-step explanation:

Lady_Fox [76]3 years ago

5 0

Answer:

Step-by-step explanation:

The equation is in the form:

Ax + By =C

3x + 2y = 18

y-intercept = C/B = 18/2 = 9

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Simplify -6√20+2√45+7√5 show Woking out to prove ans please

Dmitry_Shevchenko [17]

Answer:

$\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{20}$ = $\sqrt{4(5)}$ = $\sqrt{4}$ × $\sqrt{5}$ = 2 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

- 6(2 $\sqrt{5}$ ) + 2(3 $\sqrt{5}$ ) + 7 $\sqrt{5}$

= - 12 $\sqrt{5}$ + 6 $\sqrt{5}$ + 7 $\sqrt{5}$

= $\sqrt{5}$

6 0

2 years ago

What makes 5,459,176,320 unique

Lisa [10]

Answer:

There is every digit (0-9( except for 8

Step-by-step explanation:

6 0

2 years ago

What's 2/5 - 9/10 as a fraction?

elena-s [515]

Answer:

- 1/2

Step-by-step explanation:

turn 2/5 to have the same denominator as 10

2 ( 2 ) = 4

5 ( 2 ) = 10

4/10 - 9/10

= -5/10

simplify

-5/10 = -1/2

hope this helps

4 0

2 years ago

Solve: 2.5k+47.4=81.9

belka [17]

Answer:

k=13.8

Step-by-step explanation:

Given function:

2.5k+47.4=81.9
to find k..

Subtract final and middle value:

$81.9-47.4= 34.5$

Divide by 2.5:

$34.5*2.5=13.8$

Therefore, k=13.8..

8 0

3 years ago

Help me please I would be very thankful.

Marysya12 [62]

Answer:

sorry I don't know the answer

7 0

2 years ago