Plz help ASAP Will mark brainliest!!!!!!

Answer:

x=5

Step-by-step explanation:

We can write ratios to help us solve

4x            12 +3

---------- = ------------

3x+1                 12

Using cross products

4x*12 = (3x+1) * (15)

48x = 45x +15

Subtract 45x from each side

3x =15

Divide by 3

3x/3 =15/3

x=5

Answer:

The measure of angle B would be 100°

Step-by-step explanation:

Supplementary means two angles add up to 180 degrees. Let's say A+B=180. Since we know what A is, we can substitute that in, B+80=180. Now solve. B=100

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

17x = 85

17x/17 = 85/17

x = 5

Answer:

The length of the curtain is 10.625 feet

Step-by-step explanation:

The length of the curtain to cover one side of the room depends on the shape of the room

Given a room shape of a square, we have;

Perimeter = 4 × Side length of the room

Length of the curtain = Side length of the room

Therefore;

Perimeter = 4 × Length of the curtain

42.5 feet = 4 × Length of the curtain

Length of the curtain = (42.5 feet)/4 = 10.625 feet

The length of the curtain = 10.625 feet.

Answer:

Numerical expression

Answer: 24

Step-by-step explanation:

Let x=the number

x+10x=264

    11x=264

       x=24

Hope this helps!! :)

Answer:

3x+5=23

Step-by-step explanation:

Answer:

D. 3x+5=23

Step-by-step explanation:

An object of large mass is pulled down into the surface with a greater force than an object of low mass and as a consequence , there is greater friction between the surface of heavy objects than between the surface and the light object

Answer:

28 centimeters

Step-by-step explanation:

The level of the pond is dropping each day by 4 cm.  7 days passed, and each day it was dropping at a constant rate.  In order tto find how many centimeters the level of the pond dropped in 7 days, you have to multiply the days passed by the amount dropped each day.

So, 7 days times 4 cm. a day= 28 centimeters dropped.

Answer:

( x+6)(x+8)

Step-by-step explanation:

x^2 + 14x + 48

What 2 numbers multiply to 48 and add to 14

6*8 = 48

6+8 = 14

( x+6)(x+8)

x² + 14x + 48 [ Given ]

By split middle term ,we get:

=> x² + 8x + 6x + 48

=> x ( x + 8 ) + 6 ( x + 8 )

=> ( x + 6 ) ( x + 8 )

Answer: [tex]x=-3[/tex]

Simplify both sides of the equation

[tex]1+-2x=-1+8+8x+-8x[/tex]

[tex]-2x+1=(8x+-8x)+(-1+8)[/tex] (Combine Like Terms)

[tex]-2x+1=7[/tex]

Subtract 1 from both sides

[tex]-2x+1-1=7-1\\-2x=6[/tex]

Divide both sides by -2

[tex]-2x/-2=6/-2\\x=-3[/tex]

Answer:

[tex]\Huge \boxed{x=-3}[/tex]

Step-by-step explanation:

[tex]1-2x= -1+8+8x-8x[/tex]

Combining like terms.

[tex]1-2x= 7[/tex]

Subtracting 1 from both sides.

[tex]-2x= 7-1[/tex]

[tex]-2x=6[/tex]

Dividing both sides by -2.

[tex]x=-3[/tex]

Answer:

Step-by-step explanation:

The shape is made up of a semicircle and a right angled triangle.

Perimeter of the shape = perimeter of a semicircle + perimeter of the right angle triangle.

Since perimeter of a circle = 2πr

Perimeter of a semicircle = 2πr/2 = πr wherr r is the radius

r = 10in/2 = 5in

Perimeter of the semicircle = 5π in

Perimeter of a triangle = s1+s2+s3 where s1, s2 and s3 are the sides of the triangle.

We only have 2 sdies of the triangle, hence we need to get the third side using pythagoras theorem.

let s1 = 10in, s2 = 6in

10² = 6²+s3²

s3 = √10²-6²

s3 = √100-36

s3 = √64

s3 = 8in

Perimeter of the triangle = 10in+6in+8in = 24in

Perimeter of the shape = (24in + 5π in) - 10in (10 in was subtracted since it is common to both shapes)

Perimeter of the shape = (14+5π )inches

Answer:

Exponential functions are patterns that get continuously multiplied by some number. It's exponential growth when the base of our exponential is bigger than 1, which means those numbers get bigger. It's exponential decay when the base of our exponential is in between 1 and 0 and those numbers get smaller.

Answer:

It models exponential growth.

Step-by-step explanation:

7/4 > 1, so f(x) grows at an exponential rate as x increases.

A graph of f(x) is attached below, showing the exponential growth.

Step-by-step explanation:

Perfect squares = 1, 4,9

Probability = 3/ 10

Answer:

25) true

for example if x is -3 then x^2 will be +9

26) false

for example -3×-3×3 can give you positive answer 27

27) true

because any number when multiplied with 0 will only give you 0 answer

Step-by-step explanation:

10 is 90 degrees as all angles on a straight line add up to 180

11 is 42 degrees as all angles on a straight line add up to 180

12 is 138 degrees as all angles on a straight line add up to 180

13 is 42 degrees as vertically opposite angles are the same

14 is 132 degrees as i added the other two angles

15 is 138 degrees as i added the other two angles

there you go hope this helped

Answer:

-b+or-

[tex] - b - + \sqrt{a {}^{2} - 4ac } \div 2a[/tex]

Nearly x=-1.416

Or x=-0.416

Answer:

x=-1/3 or x = -3/2

Step-by-step explanation:

6x²+11x+3=0

divide through by 6

x² +11x/6 + 3/6 =0

collect like terms that is those with x should be left on one side nd the one without x should be on the other side

x² +11x/6 = -1/2

add the square of the half of the co efficient of B i.e 11x/6 to both sides

(x+11/12)² = 121/144 -1/2

(x+11/12)² = 121-72/144

square root of both sides

x+11/12 =+or - √49/144

x= -11/12 ± 7/12

x= -1/3 or x= -3/2

Answer:

x times 1.55

Step-by-step explanation:

3.5 times 1.55 = 5.325

Answer:

5.325

Step-by-step explanation:

Answer:

All of those numbers are rational

Answer:

[tex]4x - 13[/tex]

Step-by-step explanation:

Given

Represent the number with x

Required

Translate the statements to expression

First, we need to get triple of x:

[tex]Triple\ of\ x= 3 * x[/tex]

[tex]Triple\ of\ x= 3 x[/tex]

Next is to get the difference between 3x and 13

This is represented as [tex]3x - 13[/tex]

Lastly, Add x to the above:

[tex]x + 3x - 13[/tex]

[tex]4x - 13[/tex]

Hence, the variable expression is 4x - 13

Answer:

4.0

Step-by-step explanation:

Look at the decimal place next to the tenths place. It has a 2 in its place. The rule for rounding is that any number 4 or lower is rounded down. Any number 5 or above is rounded up. The number is 2, which is below 4, so we round down. The tenths place would stay the same because it can't get any smaller. Therefore, 4.028 is rounded down to 4.0

Answer:

Jackson is charitable.

Step-by-step explanation:

Their GCF is 1. They don’t have any others that are the same

First graph the center at (1,2). Then use your given radius to graph four points around the center. One vertical point above and one below the center, and one horizontal point to the right and one to the left of the center. Those points should be:

• (1,5)

• (1,-1)

• (-2,2)

• (4,2)

Then, to the best of your ability, draw a circle connecting those points.

I hope this makes sense. Please let me know if you have any further questions!

The equation of the circle that has a center at (1, 2) and a radius of 3 units will be (x - 1)² + (y - 2)² = 9. The circle is drawn below.

Let r be the radius of the circle and the location of the center of the circle be (h, k).

Then the equation of the circle is given as,

(x - h)² + (y - k)² = r²

The center of the circle is (1, 2) and the radius of the circle is 3 units. Then the equation of the circle is given as,

(x - 1)² + (y - 2)² = 3²

(x - 1)² + (y - 2)² = 9

The equation of the circle that has a center at (1, 2) and a radius of 3 units will be (x - 1)² + (y - 2)² = 9. The circle is drawn below.

More about the equation of the circle link is given below.

https://brainly.com/question/10618691

#SPJ2

Answer:

This problem requires you to plug in the values to get an answer.

f(2)=1

f(-6)= 65

Step-by-step explanation:

You need to plug in each value in the equation.

[tex]f(2) = 2^{2} - 4(2) + 5[/tex]

[tex]f(2) = 4 - 8 + 5[/tex]

[tex]f(2) = - 4 + 5[/tex]

[tex]f(2) = 1[/tex]

For f(-6):

[tex]f( - 6) = ( - 6)^{2} - 4( - 6) + 5[/tex]

[tex]f( - 6) = 36 + 24 + 5[/tex]

[tex]f( - 6) = 65[/tex]

Answer:

(x-12)/5

Step-by-step explanation:

Answer:

f⁻¹(x) = (x - 12)/5

Step-by-step explanation:

To find the inverse of f(x), you have to switch the places of the x and y.  You then have to rearrange the equation so that it is equal to y.

f(x) = 5x + 12

x = 5y + 12

x - 12 = (5y + 12) - 12

x - 12 = 5y

(x - 12)/5 = 5y/5

(x - 12)/5 = y

f⁻¹(x) = (x - 12)/5

Answer:

A= (-5, -4)

B = (-3, 3)

x1 = -5 , x2 = -3

y1 = -4 , y2 = 3

[tex]midpoint = ( \frac{x1 + x2}{2} \: \: \frac{y1 + y2}{2} )[/tex]

[tex] = (\frac{ - 5 - 3}{2} \: \: \frac{ - 4 + 3}{2} )[/tex]

= (-4, -0.5)

Answer:

-6

Step-by-step explanation:

Hello!

Since we are finding f(-1) we put -1 in for x

2(-1)^2 + 8(-1)

Follow PEMDAS

2 * 1 + 8(-1)

2 * 1 + -8

2 + -8 = -6

The answer is -6

Hope this helps!

Answer:

Big fella

Step-by-step explanation:

100-4 x m