I need help with all these questions

Answer:

The first one is (-3,2)

The second one is (3,4)

The third one is (1,-1)

The last one is (-4,-4)

I HOPE THIS BRINGS UP YOUR GRADE! :)

Answer:

c) 9x and 8x

Step-by-step explanation:

3x + 8 + 3y + 8x

the like terms are 3x and 8x since they both have the same variables

8 and 3y are not the like terms because there's no other number with the same variable as them.

Answer:

answer is 10.36

Step-by-step explanation:

Answer:

answer 10.36 i know that ik did it

Answer:

Butter: 40g Sugar: 20g Flour: 60g

Step-by-step explanation:

Divide everything by 3

120/3= 40g

60/3= 20g

180/3= 60g

Answer:

she needs 40 g of butter  20 g of sugar and 60g of flour  

Step-by-step explanation:

24 divided by 3 = 8   you need to cut the recipie to one third

120 divided by 3= 40   60 divied by 3 = 20 and   180 divided by 3 = 80

Step-by-step explanation:

p-4=2p-14

p-2p=-14+4

-p=-10

p=10

Answer:

84

Step-by-step explanation:

el 10% de 120= 12. 120-12= 108

el 20% de 120=24. 120-24=96

el 30% de 120=36. 120-36=84

el 40% de 120=48. 120-48=72

el 50% de 120=60. 120-60=60

Answer:

A. 12 mi

Step-by-step explanation:

A.

12 mi

d===≈≈1.5h⎯⎯⎯⎯⎯⎯⎯√1.5•100⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯√150⎯⎯⎯⎯⎯⎯√12.24712

The distance to the horizon is about 12 miles.

Answer:

Step-by-step explanation:

The sin(30) = 1/2

The sin(30) = 1/2 = opposite / hypotenuse

Opposite = 7

hypotenuse = opposite / sin(30)

hypotenuse = 7 / (1/2) = 7 *2 / 1 = 14

The long side can be found using the Pythagorian Theorem.

a^2 + b^2 = c^2

a = 7

b = ?

c = 14

14^2 = 7^2 + b^2

196 - 49 = b^2

147 = c^2

147 = 3*7 *7

sqrt(b^2) = sqrt(3*7*7)

b = 7 sqrt(3)

The volume of the cylinder is 395.64 cubic cm

Answer:

Step-by-step explanation:

A, B, D

Answer:

A,B,D

Step-by-step explanation:

Answer:

123 degrees

Step-by-step explanation:

Well, since we have a 4 sided figure, we know that the sum of the interior angles is 360 degrees.

(n-2)*180=(4-2)8180=360

Okay we are given 3 angles

120+43+74= 237

that means that x= 360-237

x=123 degrees

Answer:True

Step-by-step explanation:

Given

[tex]\angle D=90^{\circ}[/tex]

For isosceles triangle , CD=DE (x=y)

from figure,

[tex]\sin C=\dfrac{y}{H}\\\\\sin D=\dfrac{x}{H}\\\\\text{CD=DE}\\\\\therefore \sin C=\sin D=\dfrac{x}{H}=\dfrac{y}{H}[/tex]

Thus, the given statement is true

Answer: [tex]-2x^2-4x+40[/tex]

Step-by-step explanation:

Suppose the missing polynomial be f(x)

So, we can write

[tex]\Rightarrow f(x)-(20-4x+5x^2)=20-7x^2\\\Rightarrow f(x)=20-7x^2+(20-4x+5x^2)\\\Rightarrow f(x)=-2x^2-4x+40[/tex]

Answer:

37/200

Step-by-step explanation:

I think it would be something like 185/1000 then you can simplify it to become 37/200

Answer:

25%

Step-by-step explanation:

5kg=5000g(a)

4kg=4000g(b)

p=percent

a=b+bxp/100

5000=4000+4000xp/100

5000-4000=40xp

1000=40xp

p=1000/40

p=25

R:25%

The percentage increase in the puppy's weight is 25% and this can be determined by using the unitary method.

Given :

The following steps can be used to determine the percentage increase in the puppy's weight:

Step 1 - The unitary method can be used to determine the percentage increase in the puppy's weight.

Step 2 - According to the given data, in January, a puppy weighed 4kg. Puppy's weight is 4kg in January which is 100%.

Step 3 - So, if 4 kg is 100% then 5kg is equal to:

[tex]=\dfrac{100}{4}\times 5[/tex]

Multiply 100 by 5 in the above expression.

[tex]=\dfrac{500}{4}[/tex]

Divide 500 by 4 in the above expression.

= 125%

Step 4 - So, the percentage increase in the puppy's weight is:

= 125 - 100

= 25%

For more information, refer to the link given below:

https://brainly.com/question/14793162

Answer:

y = 75

Step-by-step explanation:

Given that:

   y [tex]\alpha[/tex] [tex]\sqrt{x}[/tex]

⇒ y = k[tex]\sqrt{x}[/tex]

where k is the constant of proportionality.

When y = 45, x = 81, then;

45 = k[tex]\sqrt{81}[/tex]

45 = 9 k

k = [tex]\frac{45}{9}[/tex]

  = 5

k = 5

So that,

y = 5[tex]\sqrt{x}[/tex]

the value of y when x = 225 is;

y = 5[tex]\sqrt{x}[/tex]

  = 5 x [tex]\sqrt{225}[/tex]

  = 5 x 15

y = 75

1) 6*2 +6*y= 12+6y

2)3x²+2x -3x-2=3x² -x -2

Answer:

56. Someone correct me if I'm wrong.

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean Theorem, which is a² + b² = c²

a and b are the legs, and c is the hypotenuse. Here, we know the length of one leg and the hypotenuse. So...

a² + 42² = 70²

First, we need to square these numbers. 42² is 1764. 70² is 4900. So...

a² + 1764 = 4900

Now, we can subtract 1764 from both sides.

a² + 1764 - 1764 = 4900 - 1764

That would give us...

a² = 3136

Now, we square root 3136.

So...

[tex]\sqrt{3136}[/tex] = 56

The missing side should be 56.

Answer:

x=6/5

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

Hello There!

First things first, we should find the rate of change / slope

given two points we can find the slope by using the slope formula which is

(let m be slope)

[tex]m = \frac{y_2-y_2}{x_2-x_2}[/tex]

To find the slope all we have to do is plug in the points

(1,5),(2,10)

remember the first numbers in an ordered pair are the x values and the second numbers are the y values

we also plug in the points of the second ordered pair first so

[tex]m=\frac{10-5}{2-1} \\10-5=5\\2-1=1\\m=\frac{5}{1} or5[/tex]

Knowing the slope we can create an equation to find the x value (a)

y=5x

given the y value we plug in y and solve for x

15=5x

divide each side by 5

15/5=3

5x/5=x

we're left with

x=3

so we can conclude when y =15 x = 3 therefore 3 is your answer

Answer:

[tex]1\frac{3}{8}[/tex]

Step-by-step explanation:

Either you typed the question wrong, or the answers wrong. I double-checked with a calculator. The answer I got isn't one of the options :/

Answer:

B

Step-by-step explanation:

Answer:

128

Step-by-step explanation:

length*depth*height=Volume

8         * 4       * 4 =V

8*4*4=V

8*16=V

128=V

Answer:

= 2 7

Step-by-step explanation:

Answer:

v=27 easy

Step-by-step explanation:

Answer:

[tex] \boxed{\boxed{ \red{\: x = \begin{cases} \frac{\pi}{8} + 7 + \frac{k\pi}{2} \\ - 6 + \frac{\pi}{12} + \frac{k\pi}{3} \end{cases}}}}[/tex]

Step-by-step explanation:

therefore

[tex] \therefore \: x = \begin{cases} \frac{\pi}{8} + 7 + \frac{k\pi}{2} \\ - 6 + \frac{\pi}{12} + \frac{k\pi}{3} \end{cases}[/tex]

Answer:

Unit rate 425 miles/hr, equation: m = 425h, in 6 hours plane will travel 2550 miles

Step-by-step explanation:

Set up a proportion, so 3400/8 = x/6 so x = 2550

Answer:

Let the total no of girls be x

the number of boys=7:5

total no of students =20

now,

no of girls =7/5=x/20

or, 20*7=5x

or 140=5x

or,x=140/5=28

therefore the number of girls =28

Answer:

Slope.

Step-by-step explanation:

mx+b

Answer:

Slope

Step-by-step explanation:

The equation of lines are normally formatted in "slope-intercept form"

(y = mx + b)

The b in the equation would be the y-intercept of the line.

The m represents the slope.

The x and y can be replaced with any x and y value from the line (if necessary)