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algol [13]
3 years ago
9

Which number is IRRATIONAL? A) 100 B) 225 C) 300 D) 400

Mathematics
2 answers:
Mama L [17]3 years ago
8 0
I am going with 225. Answer B
Ilya [14]3 years ago
4 0

Answer:it is c

Step-by-step explanation:

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What is the Slope of 7x+4y=20
yKpoI14uk [10]

<u><em>Answer:</em></u>

slope = \frac{-7}{4}


<u><em>Explanation:</em></u>

<u>The general form of the linear line is:</u>

y = mx + c

where:

m is the slope

c is the y-intercept


<u>The given equation is:</u>

7x + 4y = 20


<u>We will start by putting the equation in the general form:</u>

7x + 4y = 20

4y = -7x + 20

\frac{4y}{4} = \frac{-7x}{4} + \frac{20}{4}

y = \frac{-7}{4} x + 5


<u>Now, comparing our equation with the general form, we would find that:</u>

m = slope = \frac{-7}{4}

c = y-intercept = 5


Hope this helps :)

8 0
3 years ago
Geometry an Isosceles triangle has at least two congruent sides the permitter of a certain isosceles triangle is at most 12 inch
salantis [7]
I believe that it’s 7 but I could be wrong
8 0
3 years ago
Find: (a) the equations of the graphs
professor190 [17]

Answer:

-6

Step-by-step explanation:

7 0
3 years ago
The student council is making corsages to sell at prom. They spent $350 on materials such as
erma4kov [3.2K]

Answer:

The inequality 7.50c - 350 ≥ 700 can be used.

Step-by-step explanation:

Given that:

Amount spent on materials = $350

Amount the council needs to earn = $700

Selling price per corsage = $7.50

Number of corsages sold = c

Selling price per corsage * Number of corsages sold - amount spent on materials ≥ amount needs to be earned

7.50c - 350 \geq 700

Hence,

The inequality 7.50c - 350 ≥ 700 can be used.

3 0
3 years ago
I still need help with similar question
KatRina [158]

Step-by-step explanation:

<u>Step 1:  Determine the axis of symmetry</u>

The axis of symmetry is middle of the parabola.  In this equation we see that at x = -1 we have the vertex and also the middle of the parabola.  So our axis of symmetry is x = -1.

<u>Step 2:  Determine the vertex</u>

The vertex is the minimum or maximum of a parabola and is bent in a crest form.  In this example the vertex is at (-1, -3) because we are using the tip of the graph.

<u>Step 3:  Determine the y-intercept</u>

The y-intercept is where the graph intersects with the y-axis.  In this example we intersect the y-axis at -4 so that means that our point would be (0, -4) meaning that we intersect x = 0 at -4.

<u>Step 4:  Determine if the vertex is a min or max</u>

Looking at the graph we can see that the rest of the red line is beneath the vertex point which means that the vertex is a max.

<u>Step 5:  Determine the domain</u>

The domain is the x-values that we are going to be using and we know that we are reaching toward positive and negative inifity which means that we are using all real numbers.

<u>Step 6:  Determine the range</u>

The range is the y axis and what y values we are able to reach using the graph.  In this example we can see that all y-values above -3 are not being used therefore the range is y \leq -3

3 0
2 years ago
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