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givi [52]
3 years ago
6

What is the value of y in the equation 3y - 8 = 22?

Mathematics
2 answers:
Alenkasestr [34]3 years ago
8 0
So first you move eight to the other side as a positive number
3y=22+8
3y=30
We divide both sides by 3
So y equals to ten
ArbitrLikvidat [17]3 years ago
7 0

10

Step-by-step explanation:

3y-8=22

3y=22+8

3y=30

y=30/3

y =10

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Write an equation that is parallel to y = 3x and passes through (-4 , -3)
Anit [1.1K]
The slopes of two parallel lines must be identical.

We have slope m=3, so the slope for the parallel line be the same.

Now, to find an equation that also passes through the given point, we use slope-point form, y-y_1=m(x-x_1), where our point (-4,-3) is substituted for (x_1,y_1).

y+3=3(x+4)

Now, we convert to slope-intercept form as such.

y=3x+12-3\\y=3x+9

And we are done. :) We can verify graphically that these are indeed parallel lines. See attached.

8 0
3 years ago
What is -11 2/3 x (-4 1/5) = ?
adelina 88 [10]

Answer:

49

Step-by-step explanation:

-11 2/3 x (-4 1/5) =

negative times negative = positive

Change the mixed numerals into fractions.

= 35/3 × 21/5

Multiply the numerators together. Multiply the denominators together.

= (35 × 21)/(3 × 5)

Simplify.

= (7 × 5 × 7 × 3)/(3 × 5)

Divide the numerator and denominator by 3 and by 5.

= 7 × 7

= 49

6 0
3 years ago
An iPhone costs 7 times as much as an AirPods. Together they cost $1,200. Find the price of the laptop and iPod.
Mrac [35]

Answer:

Airpods=$150 iPhone=1050

Step-by-step explanation:

$1,200/8=150 150*7=1050

I might be wrong tho

4 0
3 years ago
Can someone please help me with this question ?
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The cost of water would be $615 as he needs 3 acre-feet of water for 205 acre/ft
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Amiraneli [1.4K]

Answer:

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b) No. of cells in 1 L

\text{No. of cells} =  \text{1 L} \times \dfrac{\text{1000 cm}^{3}}{\text{1 L}} \times \dfrac{2 \times 10^{10} \text{ cells}}{\text{1 cm}^{3}} = \mathbf{2.00 \times 10^{13}} \textbf{ cells}

7 0
3 years ago
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