Kristie needs 2.5 yards of fabric for bridesmaid dresses.
If she purchased 28.5 yards of fabric, how many complete
dresses would she make?

Answer:

he sum of the first number and the square of the second number is 18. The difference between the square of the second number and twice the first number is 12.

I know the first set of equations would be x+y2=18 and y2−2x=12, and we can get x=2 and y=2 or y=−2.

My question is about how to understand difference when making equations. I know it means subtraction but would you ever use absolute values when making the equation?

For example, if I said the difference between a number x and 7 is 3, then wouldn't there be two answers? I would think of it as |x−7|=3 and then we could get two answers: x=10 and x=4. My rationale is that on the number line, the distance between either of my x values and 7 is 3.

In the quoted question I began with, then I could get the numbers of x=10 and y=22–√ or y=−22–√ but that's only if I did |y2−2x=12| and I don't feel that's right.

Step-by-step explanation:

I gotchu :)

1) 6r + 7 = 13 + 7r    - Subtract 6r from both sides...

   7 = 13 + r       - Subtract 13 from both sides....

 6(-6) + 7 = 13 + 7(-6)

  -36 + 7 = 13 -42

   -29 = -29  ( It works )

2) -14 + 6b + 7 - 2b = 1 + 5b    - Combine like terms...

   -7 + 4b = 1 + 5b        - Add 7 to both sides....

    4b = 8 + 5b       - Subtract 5b from both sides....

     -b = 8            - Divide both sides by -1

3) 8x + 4(4x+3) = 4(6x + 4) - 4     - Distributive property

   8x + 16x + 12 = 24x + 16 - 4        Combine like terms

   24x + 12 = 24x + 12       - Both terms equal each other

    0 = 0

Since both terms equal each other, all numbres fit.

Answer:

option b

6-3

which is 3

hope it helps

Answer:

number 3 comes after 2 put the full question if I got it wrong

Aplicando multiplicación cruzada, tiene-se que el valor de w es w = 9.

En este problema, la ecuación que relaciona las proporciones es dada por:

[tex]\frac{12}{w} = \frac{4}{3}[/tex]

Aplicando multiplicación cruzada:

[tex]4w = 12(3)[/tex]

[tex]4w = 36[/tex]

[tex]w = \frac{36}{4}[/tex]

[tex]w = 9[/tex]

El valor de w es w = 9.

Un problema similar es dado en https://brainly.com/question/24615636

The Answer from when you are doing the equation: Negative 8 :The answer to the question:E

Step-by-step explanation: When you add negative numbers, you are basically adding normal numbers, or atleast they look that way, you are actually subtracting but lest just pretend we are adding except they are not normal, all you have to do is add the numbers, but put a negative sign before you put in a number.

Answer: y+7 = 2(x-4)

Step-by-step explanation: Point slope form is y − y1 = m(x − x1), where m is the slope and (x1,y1) is one known point on the line.  We are told that m= 2 and (4,-7).  Therefore:

(y − (-7)) = 2(x − (4))

y+7 = 2(x-4)

[tex]\\ \sf\longmapsto GI^2=FI(IH)[/tex]

[tex]\\ \sf\longmapsto GI^2=6(12)[/tex]

[tex]\\ \sf\longmapsto GI^2=72[/tex]

[tex]\\ \sf\longmapsto GI=\sqrt{72}[/tex]

[tex]\\ \sf\longmapsto GI=8.22[/tex]

If FI = 6 and IH = 12. The length of GI = 8.22.

Given: FI = 6 and IH = 12

To estimate the length of GI

[tex]$\mathrm{Gl}^{2}[/tex] = FI (IH)

Simplifying the above equation, we get

[tex]$\mathrm{Gl}^{2}[/tex]= 6 (12)

Remove parentheses: (a) = a

Multiply the numbers then, we get

[tex]$6 \cdot 12=72$[/tex]

[tex]$\mathrm{Gl}^{2}[/tex] = 72

GI = [tex]$\sqrt{72}[/tex]

GI  = 8.22

Therefore, the length of GI = 8.22.

To learn more about triangles length

https://brainly.com/question/14302533

#SPJ2

Answer:

[tex]y=\frac{1}{2} x-40[/tex]

Step-by-step explanation:

Slope interccept form: y=mx+b

(m= the slope, b= the y-intercept (the y value when x=0))

for every 2 x-values the y-value increases by 1. Slope is written as  [tex]\frac{rise}{run}[/tex] or  [tex]\frac{y_{1}-y_{2} }{x_{1}-x_{2}}[/tex] which is the change in the y-values divided by the change in x-values. You can find the slope by plugging in points.

[tex]\frac{(-42)-(-41)}{(-2)-(-4)} =\frac{1}{2\\}[/tex]     so now you have [tex]y=\frac{1}{2}x+b[/tex]

b is whatever the value of y is when x=0. According to the table when x=0 then y=-40. The final equation is [tex]y=\frac{1}{2} x-40[/tex]

Answer:

no.

Step-by-step explanation:

44.50/10=4.45

she can buy four people ice cream

Answer:

yes

Step-by-step explanation:

10+10+10+10

the answer is 40 and she have 4.5

92 because I'm really good at math

The z-scores of the monthly utility bills for the value of x as $60, $71 and $9 are -1.25, 0.125, and 2.25 respectively.

A Z-score helps us to understand how far is the data from the mean. It is a measure of how many times the data is above or below the mean. It is given by the formula,

[tex]Z = \dfrac{X- \mu}{\sigma}[/tex]

Where Z is the Z-score,

X is the data point,

μ is the mean and σ is the standard variable.

As it is given that the standard deviation of the monthly utility bills is $8, while the mean is $70. Therefore, the z-score can be written as,

A.) X= 60

[tex]Z = \dfrac{X- \mu}{\sigma}=\dfrac{60- 70}{8} = -1.25[/tex]

B.) X = 71

[tex]Z = \dfrac{X- \mu}{\sigma} = \dfrac{71- 70}{8}=0.125[/tex]

C.) X = 92

[tex]Z = \dfrac{X- \mu}{\sigma}= \dfrac{92- 70}{8}=2.25[/tex]

Hence, the z-scores of the monthly utility bills for the value of x as $60, $71 and $9 are -1.25, 0.125, and 2.25 respectively.

Learn more about Z-score:

https://brainly.com/question/13299273

The answer would be X > -5

Answer:

look up the packet name and after that put answer key

Step-by-step explanation:

.

Answer:

second graph

Step-by-step explanation:

the line running at same rate

0.167

Step-by-step explanation:

5 ÷ 29.95

= 5 ÷ 2995/100

= 5 × 100/2995

= 500/2995

≈ 0.167

Answer:

PARALLEL

Step-by-step explanation:

The second equation, y = (1/3)x - 4, has already been solved for y.  To compare the slopes easily, we need now to solve the first equation for y, obtaining y = (1/3)x - 4.

We see that these two lines have the same slope, m = 1/3, and thus conclude that these lines are PARALLEL.

Answer:

eef the points thanks man

thanks

Step-by-step explanation:

Answer:

Answer:

eef the points thanks man

thanks

Step-by-step explanation:

Step-by-step explanation:

When dilating a curved figure, you have to make sure to use a lot of points to produce a decent image of the original figure. You also have to make sure that the points you choose are not all concentrated in just one part of the figure.

Answer:

The slope of the line. otherwise known as the gradient, can be found in the equation as the number in front of the x term.

In this case, it is - 1/2 (or -0.5, however you want to answer it)

Answer:

x=3

Step-by-step explanation:

g(x)=2x+1,

When g(x)=7

g(x)=2x+1,

7=2x+1

7-1=2x

x=6/2

x=3

[tex]8 \times x = 24 \\ x = \frac{24}{8} \\ x = 3[/tex]

Answer:

3

Step-by-step explanation:

24 ÷ 8 = 3

8 × 3 = 24

....................

Answer:

Perimeter = 25.6 cm

Explanation:

Square Perimeter Formula: [tex]P = 4 * s (side length)[/tex]

[tex]P = 4*6.4cm \\P = 25.6 cm[/tex]

Answer:

4:3

Step-by-step explanation:

There are 4 A's and 3 B's, so the ratio would be 4:3.

The ratio would not be 3:4, because you are asking for A's to B's, and not B's to A's.

Answer:

4:3

Step-by-step explanation:

There are 4 A's in this set and only 3 B's. Often confused as 3:4, however, that would be the ratio of B's to A's. This ration can't be simplified either leaving it at 4:3.

Hope this helps! :)

Answer: 3/4 because the line runs through the points (0,-2) and (4,1).

rise/run

Answer:

v = 5

Step-by-step explanation:

Distribute on the left:

5 ( v + 7 )

( 5 x v ) + ( 5 x 7 )

5v + 35

7v + 25 = 5v + 35

Subtract 5v from each side:

2v + 25 = 35

subtract 25 from each side:

2v = 10

Divide each side by 2:

v = 5