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emmainna [20.7K]
2 years ago
10

I need you to walk me through how you got the answer to 298÷4

Mathematics
2 answers:
Alex787 [66]2 years ago
8 0
You can solve using long division:

       74
4 )298
  - 28
-----------
       18
     - 16
-----------
         2

-hope this was what you're looking for and it helps :)
ra1l [238]2 years ago
7 0
4 divides into 29 7 times, leaving a remainder of 1.  Write 7 over the 8 and bring down the remainder (1), and also bring down the next integer (8).  Divide 4 into 18; the result is 4 with a remainder of 2.

So now the quotient is 74 with a remainder of 2.

You could also write this as 74 2/4, or 74 1/2.

Here we're discussing long division by integers.


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Answer:c.

Step-by-step explanation

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2 years ago
What percent of 350 is 252
7nadin3 [17]
To solve this you can make a perportion

252     x 
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350     100

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252 is 72% of 350
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3 years ago
You bought 34 pound of dry ice for an experiment. When the experiment was over, you found that you had used only 13 of what you
MrRa [10]
If you only used 13% then you used 4.42 pounds of dry ice. 
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3 years ago
Warm-Up
Serjik [45]

Answer:

using the formula

we replace the coordinates

the we calculate

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5 0
2 years ago
Could someone help me rnnn?
GuDViN [60]

Answer:

vertex = (0, -4)

equation of the parabola:  y=3x^2-4

Step-by-step explanation:

Given:

  • y-intercept of parabola: -4
  • parabola passes through points: (-2, 8) and (1, -1)

Vertex form of a parabola:  y=a(x-h)^2+k

(where (h, k) is the vertex and a is some constant)

Substitute point (0, -4) into the equation:

\begin{aligned}\textsf{At}\:(0,-4) \implies a(0-h)^2+k &=-4\\ah^2+k &=-4\end{aligned}

Substitute point (-2, 8) and ah^2+k=-4 into the equation:

\begin{aligned}\textsf{At}\:(-2,8) \implies a(-2-h)^2+k &=8\\a(4+4h+h^2)+k &=8\\4a+4ah+ah^2+k &=8\\\implies 4a+4ah-4&=8\\4a(1+h)&=12\\a(1+h)&=3\end{aligned}

Substitute point (1, -1) and ah^2+k=-4 into the equation:

\begin{aligned}\textsf{At}\:(1.-1) \implies a(1-h)^2+k &=-1\\a(1-2h+h^2)+k &=-1\\a-2ah+ah^2+k &=-1\\\implies a-2ah-4&=-1\\a(1-2h)&=3\end{aligned}

Equate to find h:

\begin{aligned}\implies a(1+h) &=a(1-2h)\\1+h &=1-2h\\3h &=0\\h &=0\end{aligned}

Substitute found value of h into one of the equations to find a:

\begin{aligned}\implies a(1+0) &=3\\a &=3\end{aligned}

Substitute found values of h and a to find k:

\begin{aligned}\implies ah^2+k&=-4\\(3)(0)^2+k &=-4\\k &=-4\end{aligned}

Therefore, the equation of the parabola in vertex form is:

\implies y=3(x-0)^2-4=3x^2-4

So the vertex of the parabola is (0, -4)

5 0
2 years ago
Read 2 more answers
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