What is this? I don’t know the answers plz help

Answer:

Option B is correct

Step-by-step explanation:

mark me as brainliest ❤️

I hope this help you

Answer:

the selling price = 1512

Step-by-step explanation:

the profit = 1200 × 26/100

= 312

the selling price = profit + the cost

= 1200+ 312 = 1512

Answer: i think it is.

you cant divide both numbers by the same number

Step-by-step explanation:

Answer:

Step-by-step explanation:

I can only show you what the answer is.

7 - x^2.

Be careful which one you put first. Unless told otherwise, the first number mentioned goes before the minus sign.

The rule is

[tex]\frac{d}{dx}x^n = nx^{n-1}[/tex]

which is the power rule. You pull down the exponent to place it as the coefficient. So that explains the 1/2 pull out front. Then we subtract 1 from the exponent.

The expression you wrote can be simplified or rewritten like this

[tex]\frac{d}{dx}x^n = nx^{n-1}\\\\\frac{d}{dx}\left[x^{1/2}\right] = \frac{1}{2}x^{\frac{1}{2}-1}\\\\\frac{d}{dx}\left[x^{1/2}\right] = \frac{1}{2}x^{-\frac{1}{2}}\\\\\frac{d}{dx}\left[x^{1/2}\right] = \frac{1}{2}\frac{1}{x^{\frac{1}{2}}}\\\\\frac{d}{dx}\left[x^{1/2}\right] = \frac{1}{2x^{\frac{1}{2}}}\\\\\frac{d}{dx}\left[x^{1/2}\right] = \frac{1}{2\sqrt{x}}}\\\\[/tex]

Optionally, we can multiply top and bottom by [tex]\sqrt{x}[/tex] to rationalize the denominator.

Answer:

d

Step-by-step explanation:

7/5 is greater than 1

sorry if this is wrong

The minim she can get for a score is a 90%

Answer:

-2

Step-by-step explanation:

If we have an equation of the form y = mx +b then the y-intercept is b.

So now here we have y =-x - 2. Therefore b = -2 and we conclude the y-intercept is -2.

[tex]7x-20>3(2-2x)\\\\7x-20>6-6x\\\\7x+6x>6+20\\\\13x>26 \ \ /:13\\\\\huge\boxed{x>2}[/tex]

Answer:

Step-by-step explanation:

[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]

To find the domain of graph, we notice at the point on the left and the right.

Domain is the set of all x-values, so we perceive in a horizontal line or x-axis.

The first point on left is at x = -1 and the second point on the right is at x = 1.

Since the points are opened and therefore, the Inequality signs can only be > or <.

Therefore, the domain is -1 < x < 1

To find the range, similar to domain but we perceive vertical line or y-axis. Range is the set of all y-values.

We notice that the minimum point is -1 or y = - 1 and maximum point at 1 or y = 1.

Therefore, the range is -1 < y < 1

Step-by-step explanation:

[tex] \sqrt{(3 - 4) ^{2} + (( - 5) - 1) ^{2} } \\ \sqrt{( 3 - 4) ^{2} + ( - 5 - 1) ^{2} } \\ \sqrt{( - 1) ^{2} + ( - 6) ^{2} } \\ \sqrt{1 + 36} \\ \sqrt{37} [/tex]

Answer:

1.2 x (8.4-6.4)

Step-by-step explanation:

1.2 x 2 = 2.4

Answer:

1.2 × (8.4 – 6.4)

Step-by-step explanation:

8.4 - 6.4 = 2

2 x 1.2 = 2.4

This one seems the easiest to multiplying into and subtracting than the others.

Answer:

D. x = 10

Step-by-step explanation:

Perimeter = the sum of all sides lengths

Perimeter = 30 (in this case)

so...

[tex]((x-5)+x)2=30[/tex]

Step 1. Dividing 3 to both sides

[tex]((x-5)+x)=15[/tex]

Step 2. Add 5 to both sides

[tex]x+x=20[/tex]

Step 3. Solve for x

Since x + x = 20, to solve for one of the x means solving for the other x

so since 2 x's are being added with the same value, divide 20 by 2.

x = 10

Answer:

The perimeter is 62ft

Step-by-step explanation:

5 + (6 x 4) + (2 x 8) + 17

5 + 24 + 16 + 17

29 + 33

62

-4(8+7x) = -10 -6x

-32 - 28x = -10 - 6x

-28x + 6x = -10 + 32

-22x = 22

( dived both sides by -22)

x = -1

Answer:

129 degrees.

Step-by-step explanation:

You can see that DCF is a combination of angles DCE and ECF which is 75 and 54. 75+54 would give you 129 degrees.

Answer:

[tex]\frac{6}{160} = \frac{3}{80} = .0375[/tex]

Step-by-step explanation:

do yo want it as a decimal or a fraction?

Answer:

0.0375

Step-by-step explanation:

6 ÷ 160 =  0.0375 (answer is rounded to 4 places)

Answer:

1/4 of the men are right handed.

Step-by-step explanation:

You know nothing about the women. You know only about the men, so the answer has to be expressed in terms of men.

3/10 * 5/6 = 15 / 60 = 1/4

Answer:

4 cm

Step-by-step explanation:

A ratio shows us the number of times a number contains another number. The distance between Conor's house and Oscar's house on the map will be 4 cm.

A ratio shows us the number of times a number contains another number.

Given that 1 cm on the map represents 750 m in real. Therefore, we can write the ratio as,

Ratio = Length on the map / Length in real = 1cm / 750m

Now, it is also mentioned that Conor's house is 3000 m from Oscar's house. Therefore, the ratio can be written as,

Ratio = Length between the house in map / Length between the house in real = 1 cm /750 m

Length between the house in map = (1 cm × Length between the house in real) / 750 m

Length between the house in map = (1 cm × 3000m) / 750 m

Length between the house in the map = 4 cm

Hence, the distance between Conor's house and Oscar's house on the map will be 4 cm.

Learn more about Ratios here:

https://brainly.com/question/1504221

#SPJ2

Answer:

C

Step-by-step explanation:

note y = f(x) = 0

y = 0 is the x- axis

We are looking for values of x on the x- axis where the graph crosses/touches

This occurs at

x = - 2, x = 1, x = 3 → C

Answer:

a, c, and e

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

All you have to do is replace the x value in the equation g(x) with whatever value x is in the tables given. An example would be as follows:

x = -2 replace x with -2

-1/2( 4(-2) + 6 )

now use pemdas to finish the equation.

you will get g(x) = 1.

Therefore, your answer is the first table, (aka A)

sorry if this doesn't make sense.

Answer:130

Step-by-step explanation:

Answer:

-22

Step-by-step explanation:

equantion: (n + 15).6= -42

n = -22