Are the ratios 15:10 and 3:2 equivalent

Answer:

it's D

Step-by-step explanation:

Answer:

-9 and 5 make -4 and -45

Step-by-step explanation:

-9 and 5 make -4 and -45

Answer:

every parallelogram is a square? False

every rectangle with four congruent sides is a square? True

every rectangle is a quadrilateral? True

every quadrilateral is a rectangle?​ False

Step-by-step explanation:

every parallelogram is a square?

A parallelogram has two opposite pairs of parallel lines and opposite congruent sides. A square needs to have 4 right angles and all sides need to be equal. In the restrictions of a parallelogram, these cannot be concluded, therefore parallelogram are not always squares.

every rectangle with four congruent sides is a square?

Square require 4 congruent sides and 4 right angles. Rectangles already have  4 right angles. If you add 4 congruent sides to the mix, it means that these rectangles are always squares.

every rectangle is a quadrilateral?

A quadrilateral is defined by a shape having 4 sides. Rectangles have 4 sides, so they fit into the category of quadrilaterals.

every quadrilateral is a rectangle?​

A quadrilateral is a just a shape with four sides. We do not know if it has 4 right angles, so not every quadrilateral is a rectangle.

Answer:

49

Step-by-step explanation:

Answer:

A.m = -3

Step-by-step explanation:

This equation is written in point slope form

y-y1 = m(x-x1)

y +2 = -3(x – 7)

y - -2 = -3(x – 7)

The slope is -3 and the point is (7, -2)

Answer: Hi! The answer is, y=-(x-2)^2

Step-by-step explanation:(The explanation is in the image below) I hope that this helps you!

Answer:

A = 6x² + 97x + 391

Step-by-step explanation:

Given that,

The length of the shop, l = (3x+23)

The width of the shop, b = (2x+17)

The expression for the area of the shop is given by :

A = lb

Put all the values,

A = (3x+23) × (2x+17)

= 6x² +51x+46x +391

= 6x² + 97x + 391

Hence, the expression for the area of the shop is equal to 6x² + 97x + 391.

Answer:

Step-by-step explanation:

3.5(-3n+4)

=3.5*-3n+3.5*4

=-10.5n+14

Answer:

[tex]-10.5n+14.[/tex]

Step-by-step explanation:

DISTRIBUTIVE PROPERTY: WHEN YOU MULTIPLY A NUMBER OUTSIDE OF THE PARENTHESIS BY THE NUMBERS ON THE INSIDE.

This expression requires distributive property.

SOLVE:

[tex]3.5 (-3n + 4)[/tex]

[tex]3.5*-3n=-10.5n[/tex]

[tex]3.5*4=14.[/tex]

[tex]3.5(-3n + 4)=-10.5n+14.[/tex]

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Refer to the attachment for answer...

Answer:

Are people actually expected to do this?

Step-by-step explanation:

Answer:

-2 y^2 + 6 y + 4

Step-by-step explanation:

Answer:

true  hope this helped

Step-by-step explanation:

Answer:

C) The y-intercept will always be the vertex.

Step-by-step explanation:

We have the quadratic function in the form:

[tex]f(x)=ax^2+bx+c[/tex]

And we want to determine the true statement when b = 0.

Let's go through each of the choices and examine its validity.

Choice A)

Recall that according to the quadratic formula, the roots of a function is given by:

[tex]\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]

If b = 0, then we acquire:

[tex]\displaystyle x=\frac{-(0)\pm\sqrt{(0)^2-4ac}}{2a}=\pm\frac{\sqrt{-4ac}}{2a}[/tex]

As we can see, as long as the inside of the square root is positive, the graph will have x-intercepts. So, b equalling zero does not guarantee that the graph does not have any x-intercepts.

A is false.

Choice B)

A quadratic has a minimum if it curves upwards and a maximum if it curves downwards.

This is decided by the leading coefficient a. b does not affect whether a quadratic curves downwards or upwards.

B is false.

Choice C)

The vertex of a quadratic is given by:

[tex]\displaystyle \text{Vertex}=\left(-\frac{b}{2a}, f\left(-\frac{b}{2a}\right)\right)[/tex]

If b = 0, then the x-coordinate of the vertex is given by:

[tex]\displaystyle x=-\frac{(0)}{2a}=0[/tex]

Then the y-coordinate will be:

[tex]f(0)=a(0)^2+b(0)+c=c[/tex]

So, the vertex is (0, c).

This is also the y-intercept as, by definition, the y-intercept is the value when x = 0.

So, Choice C is the correct choice.

Choice D)

The axis of symmetry is the x-coordinate of the vertex. As we saw earlier, the x-coordinate of the vertex will always be:

[tex]\displaystyle x=-\frac{(0)}{2(a)}=0[/tex]

Zero is neither positive nor negative. Thus, D is false.

Answer:

The y-intercept will always be the vertex.

Step-by-step explanation:

its c

Answer:

125

Step-by-step explanation:

This can be simplified to sqrt(25) ^3

sqrt(25) is 5

          (5*5) = 25

5^3 = 225

          (5*5*5) = 125

Answer:

125

Step-by-step explanation:

[tex]\sqrt[2]{25^3} \\=25\sqrt[2]{25} \\=25*5\\=125[/tex]

Answer:

6cm squared

Step-by-step explanation:

1 x 2 = 2 cm

2 x 3 = 6 cm

6 cm squared

Answer:

Step-by-step explanation:

Given

Total no. of observation = 50

Given, No. of observations that told yes = 42

Therefore,

Probability of getting response as yes

[tex] = \frac{42}{50} [/tex]

[tex] = \frac{21}{25} [/tex]

In decimal form ,

= 0.84 (Ans)

Answer:

288$

Step-by-step explanation:

6 · 23 = 138$

138$ + 150$ = 288$

Answer:

[tex]y = - 5x + 4[/tex]

Step-by-step explanation:

You can plot the graph on online graphing calculator to check.

Brainliest please~

Their are two triangle possible.

1 ) With hypotenuse of length x.

2) With hypotenuse of length 12.

Solution :

Case : 1 )

Using Pythagoras theorem :

x² = 7² + 12²

x = √( 7² + 12²)

x = √( 49 + 144 )

x = √(193)

x = 13.89

Case : 2 )

Using Pythagoras theorem :

x² + 7² = 12²

x² = 144 - 49

x = √95

x = 9.75

Hence, this is the required solution.

Answer:

1. Create a three-dimensional figure net.

2. Determine the area of each net face.

3. To calculate the surface area of the cube, add the areas of all the net's faces.

Answer:

1. spends $80

2. Each garlic bread costs the same

3. Orders a pizza for 25.50 and two garlic breads

Step-by-step explanation:

Answer:

25 = x

Step-by-step explanation:

The angles are vertical angles and vertical angles are equal

5x+15 = 6x -10

Subtract 5x from each side

5x-5x+15 = 6x-5x -10

15 = x - 10

Add 10 to each side

15+10 = x-10+10

25 = x

Answer:

4374

Step-by-step explanation:

Since, we are given table for x and y values

and table for average rate of changes

we can see the pattern of average rate of change

average rate of change for 5 to 6 is three times average rate of change for 4 to 5

but we have to find

average rate of change for 7 to 8

so, using same pattern

average rate of change for 6 to 7 is three times average rate of change for 5 to 6

average rate of change for 7 to 8 is 3*3( average rate of change for 5 to 6)

so, we can plug value

average rate of change for 7 to 8 is 3*3*486

average rate of change for 7 to 8 is 4374

Answer:

thank you

Step-by-step explanation:

have a good day

Answer:

graph b represents a function.

Answer:

graph b

Step-by-step explanation:

Step-by-step explanation:

hope this will help you alot

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Thankyou

Answer:

circumference of the circle=2πr

30π=2πr

r =15

radius of the circle is 15 mm

area of the circle=πr²

=3.14×15²

=706.5 mm²

Answer:

It is C because on 12 I can see 3.

Step-by-step explanation: