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m_a_m_a [10]
4 years ago
14

3/10 + 2/5 what is the answer?

Mathematics
1 answer:
Verizon [17]4 years ago
6 0

Answer:

7/10

Step-by-step explanation:

2/5 is tha same as 4/10

so 4/10 plus 3/10 is 7/10

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S=5r^2t solve for T please
Vitek1552 [10]
Hello there!

S = 5r^2 * T
To solve for T, we need to isolate it - or get it on one side of the equation by itself.
To do this, we need to divide both sides by 5r^2.

S/5r^2 = T is now our equation and final solution.

I hope this helps!
7 0
3 years ago
Read 2 more answers
1.) p^2+14p-38=0<br> what the vertex?
Lelu [443]

Answer:

vertex = (- 7, - 87)

Step-by-step explanation:

given a parabola in standard form : ax² + bx + c : a ≠ 0

Then the x- coordinate of the vertex is

x_{vertex} = - \frac{b}{2a}

p² + 14p - 38 is in standard form

with a = 1, b = 14, c = - 38, hence

x_{vertex } = - \frac{14}{2} = -7

substitute x = - 7 into the equation for corresponding value of y

y = (- 7)² + 14(- 7) - 38 = 49 - 98 - 38 - - 87

vertex = (- 7, - 87)


3 0
3 years ago
A dance academy charges $24 per class and a one time registration fee of $15. A student paid a total of $687 to the academy. Fin
dem82 [27]

Answer:

The student took 28 classes

Step-by-step explanation:

What I did was minus $15 from the $687 total, cause $15 is only a one time registration fee, then 687-15=672, so then I divided 672 by the cost per class, so $24, 672 divided by 24 equals to 28, so the student took 28 classes.

5 0
3 years ago
The graph represents f(x), and g(x) = 7x – 42.
Aliun [14]
g(x)=7x-42\\\\\y-intercept\ of\ g(x):\\\\f(0)=7\cdot0-42=-42\to(0;\ -42)\\\\x-intercept\ of\ g(x):\\\\0=7x-42\ \ \ \ |+42\\7x=42\ \ \ |:7\\x=6\to(6;\ 0)

f(x)=ax+b\\\\y-intercept\ of\ f(x):\ (0;\ -3)\\\\x-intercept\ of\ f(x):\ (6;\ 0)

Answer:

A) the y-intercept of g(x) is less than the y-intercept of f(x).


4 0
4 years ago
A bakery made 6 chocolate cake. Later the bakery baked 12 red velvet cakes. What is the ratio of chocolate cakes to red velvet c
dlinn [17]

It would be

chocolate cake to red velvet cakes 6:12

Hope this helps!


4 0
3 years ago
Read 2 more answers
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