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inessss [21]
2 years ago
8

63 first-graders and 21 other students attended a school assembly. What percentage of the

Mathematics
2 answers:
boyakko [2]2 years ago
4 0

Answer:

75%

Step-by-step explanation:

alexira [117]2 years ago
3 0

Answer:

75%

Step-by-step explanation:

First let's start by finding the total number of students at the assembly:

63+21=84

Then we find the percentage of the students that were first-graders.

63/84=9/12=3/4=75/100=75%

As further explanation to how this works:

We take the number of first graders over the total number of students so we can find the percentage. Then we simplify it down to 3/4. Since percentages are out of 100 we can change the fraction so it's something out of 100. We multiply the numerator and denominator by 25 (since 100/4=25) and we get 75/100 which is 75%

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Which steps can be used to solve for the value of 'y'? 2/3(y+57)=178
bagirrra123 [75]
 2 / 3 ( y + 57 ) = 178

2( y + 57 ) / 3 = 178

2*y + 2 * 57 / 3 = 178

2y + 114 / 3 = 178

3*(2 y + 114 ) / 3 * ( 178)

2 y + 114 = 534

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hope this helps!


3 0
3 years ago
How to create an equation for function m? I wrote the right equation as a guess, but I don't understand it.​
AfilCa [17]

Answer:

h(x)=2(x + 3)^{\frac{1}{2} }

Step-by-step explanation:

Parent function of the square root function has been given as,

f(x) = x^{\frac{1}{2} }

If the graph of the given function is stretched vertically by the scale factor = g(x) = k(x^\frac{1}{2})

If the graph is shifted 3 units to the left,

h(x) = k(x + 3)^{\frac{1}{2} }

Since, the graph of the function passes through a point (-2, 2),

2=k(-2 + 3)^\frac{1}{2}

2 = k

Therefore, the function is h(x)=2(x + 3)^{\frac{1}{2} }.

7 0
3 years ago
If f(x)=1/x and g(x) = x+4, which of the following is the graph of (gf)(x)?
slega [8]

The graph of the function 1 + 4/x is attached below.

<h3>What is a graph?</h3>

A graph contains data of which input maps to which output.

Analysis of this leads to the relations which were used to make it.

Given;

If f(x ) = 1/x and g(x) = x+4

then,

(gf)(x)

= 1/x (x + 4)

= 1 + 4/x

The graph of the function 1 + 4/x is attached below.

Learn more about finding the graphed function here:

brainly.com/question/27330212

#SPJ1

6 0
2 years ago
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