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steposvetlana [31]
3 years ago
6

Which equation is correctly rewritten to solve for y?

Mathematics
1 answer:
kap26 [50]3 years ago
8 0

Answer : The correct option is, (B) y=\frac{t-d}{31}

Step-by-step explanation :

As we are given that the expression as:

12y+d=-19y+t

By solving the term we get the value of 'y'.

12y+d=-19y+t

We are taking like terms together.

12y+19y=t-d

Now we are adding like terms, we get:

31y=t-d

y=\frac{t-d}{31}

Therefore, the equation correctly rewritten to solve for y is, y=\frac{t-d}{31}

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A tortoise makes a journey in two parts; it can either walk at 4cm/s or crawl at 3cm/s.
Semenov [28]

Answer:

y = 240 cm crawl

x = 120 cm walking

Step-by-step explanation:

Logic....

8 0
3 years ago
Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?
tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

5 0
3 years ago
PLEASE ANSWER FAST!<br> you dont have to explain but im trusting on u have a good day
JulsSmile [24]

Answer:

126 square inches

Step-by-step explanation:

The area of the figure = area of the parallelogram + area of the square + area of the rectangle

✔️Area of the parallelogram = b*h

b = 10 in.

h = 3.5 in.

Area = 10*3.5

Area = 35 in.²

✔️Area of the square = s²

s = 4 in.

Area = 4²

Area = 16 in.²

✔️Area of the rectangle = L*W

L = 12.5 in.

W = 6 in.

Area = 12.5*6

Area = 75 in.²

✅Area of the figure = 35 + 16 + 75

= 126 in.²

8 0
2 years ago
Help me please please help
Vilka [71]

Answer:

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find y'' by implicit differentiation. 5x2 + y2 = 3
makkiz [27]
5x²+y²=3
by implicit differentiation we shall have:
10x+2yy'=0
the second derivative will be:
10+2y"=0
2y"=-10
y"=-5

6 0
3 years ago
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