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aliina [53]
3 years ago
9

NEED HELP ASAP!! don’t wanna fail my math quiz

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0

Answer:

\frac{2}{3}

Step-by-step explanation:

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After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number in the class be
Vadim26 [7]

Answer:

n+4=32

Step-by-step explanation:

The initial number n gets additional 4 students making the new total number of students to be 32. Therefore, this situation can be represented as

n+4=32

To get the actual number of students before the additio, we make n the subject of formula hence

n=32-4

n=28

Therefore, the initial number was 28 and the equation is n+4=32

Since no choices were provided, the equation that can be modified is n+4=32

8 0
3 years ago
PLEASE HELP ME GEOMETRY
Aloiza [94]
Answer is B. second choice

Segments DE and AC are parallel by construction


4 0
3 years ago
Can someone help me understand this and how to find it?
natulia [17]

Answer:

triangle y= -3, triangle x= 5 M= -1 1/2

Step-by-step explanation:

actually I used the app that my teacher gave me in 7th grade so I'm gonna give it to you Just look up slope calculator and it says OMNI calculator

5 0
3 years ago
explain the benefits of each of the three forms of quadratic equations, standard form, vertex form, and factored form. What do t
mamaluj [8]

Answer:

Summary:

Standard form allow us to quickly find the y-intercept.

Vertex form allow us to quickly locate the vertex.

And factored form allows us to quickly determine the roots/zeros.

Step-by-step explanation:

The three forms of quadratics are the standard form, vertex form, and the factored form. Each of them reveals a specific part about the quadratic.

Standard Form:

The standard form of a quadratic is:

ax^2+bx+c

There are only two details that can be conveyed by a quadratic in standard form immediately: (1) the leading coefficient a, and (2) the y-intercept.

The leading coefficient a will tell us if the parabola curves upwards or downwards.

And the constant c will give us the y-intercept.

Vertex Form:

The vertex form of a quadratic is:

a(x-h)^2+k

There are also two details that can be conveyed by a quadratic in vertex form:  (1) the vertex, and (2) the leading coefficient.

The leading coefficient is given by a. Again, this tells us the orientation of the parabola.

And the vertex is given by (h, k).

Hence, in my opinion, vertex form is the best form of a quadratic since it immediately reveals the vertex, the most important aspect of a quadratic.

Factored Form:

The factored form of a quadratic is:

a(x-p)(x-q)

Where p and q are the zeros/roots/solutions of the quadratic.

Again, factored form gives us two details about the quadratic: (1) the leading coefficient, and (2) the zeros.

The zeros tells us when the parabola crosses the x-axis, which can assist in graphing.

Summary:

Therefore, each form of a quadratic equation has its own benefits.

Standard form allow us to find the y-intercept.

Vertex form allow us to quickly locate the vertex.

And factored form allows us to quickly determine the roots/zeros.

Hence, depending on the question, each form can be useful in its own way.

4 0
3 years ago
!! PLEASE HELP QUICKLY 20 POINTS !!<br><br><br>Evaluate 4 - 0.25g + 0.5h when g=10 and h=5
Sonja [21]

Step-by-step explanation:

4- 0.25 + 0.5h

0.25g= 2.5

4- 2.5 = 1.5

0.5h = 2.5

4- 2.5 + 2.5

addition is first

2.5+2.5 = 5

4-5 =-1

I honestly don't know if that's right but I tried aha x

4 0
3 years ago
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