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3 years ago

Is 39x+27y=6 in standard form

Mathematics

1 answer:

tatiyna3 years ago

3 0

Answer: Yes

Step-by-step explanation:

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What is the value of x in the equation. 8 x - 2 y= 48 when y =4

goldfiish [28.3K]

$\qquad$ ❄️ $\boxed{\bf x = 7}\\\\$

We are given –

$\qquad$ $\twoheadrightarrow\bf 8x -2 y =48$

And also value of y's given. So, just put the value of y in the given equation.

___________________________________

$\qquad$ $\purple{\twoheadrightarrow\bf 8x -2 y =48}$

$\qquad$ $\twoheadrightarrow\sf 8x - \underbrace{2 \times 4} =48$

$\qquad$ $\twoheadrightarrow\sf 8x - 8 =48$

$\qquad$ $\twoheadrightarrow\sf 8x = 48 +8$

$\qquad$ $\twoheadrightarrow\sf 8x = 56$

$\qquad$ $\twoheadrightarrow\sf x =\cancel{\dfrac{56}{8}}$

$\qquad$ $\purple{\twoheadrightarrow\bf x= 7}$

Henceforth, value of x is 7.

_______________________________________

4 0

3 years ago

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Complete the sentence. The distance between 4 and 17 is

mel-nik [20]

Answer:

Step-by-step explanation:

You just have to minus 17 with 4 to get the answer!

Distance = 17 - 4 = 13 units

3 0

2 years ago

Matt pours 3 2/3 cups of orange juice into a measuring cup from a large container. then he pours 1 1/4cups back into the contain

STALIN [3.7K]

2 and 5/12 are left

convert yhe thirds and quarters to twelths

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4 years ago

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An Angle whose measure is 40 is in standard position. In which quadrant does the terminal side of the angle fall?

soldi70 [24.7K]

ANSWER

First quadrant

EXPLANATION

An angle in standard position starts measuring from the positive x-axis anticlockwise.

Since 40° is less than 90°, it's terminal side will fall within the first quadrant.

Hence the terminal side of a 40° is in the first quadrant.

6 0

3 years ago

Two families go to the cinema.

Elena-2011 [213]

x= cost of 1 adult ticket
y=cost of 1 kid ticket
so 1 adult+4 childeren=x+4y=19
2 adults and 2 childern=2x+2y=17
elimination

x+4y=19
2x+2y=17
multiply firest equation by -2
-2x-8y=-38
add to first equatuion
-2x-8y=-38
<u>2x+2y=17 +</u>
0x-6y=21
-6y=-21
multiply -2
6y=21
divide by 6
y=21/6=7/2

subsitute
2x+2y=17
2x+2(7/2)=17
2x+14/2=17
2x+7=17
subtract 7 from both sides
2x=10
divide by 2
x=5

1 adult ticket costs £5
1 kid ticket costs £7/2 or £3 and 1/2 or <span>£</span>3.5

7 0

4 years ago