What is the sum of this expression 9x+3 and 6x

Answer:

x=-5/2,4

Step-by-step explanation:

Answer: 12km

Step-by-step explanation:

To find the missing side you need to use the formula a^2 + b^2 = c^2 where C is your hypotenuse.

So your formula would be 4^2 + 3^2 = c^2 ...

16 + 9 = c^2

25 = c^2 so square root both sides. Your missing side is 5km and then add all sides together to find your perimeter.

Answer:

x=6

Step-by-step explanation:

5x - 8 = 3x + 4

    +8         +8

5x=3x+12

-3x  -3x

2x=+12

/2    /2

x=6

Answer:

1.

∠DCB is the half of the measure of ∠ACB as the angle bisector DC cut it in two equal parts.

2.

The incenter is the intersection of the angle bisectors.

All three angle bisectors lie inside the triangle, hence the incenter is always inside.

Answer:

8.17 grams

Step-by-step explanation:

To find the total mass of the two coins add the masses together.

[tex]5.67+2.5=8.17[/tex]

Answer: 5/6.

Step-by-step explanation: . :)

Answer:

      Step-by-step explanation:

5a = 240.96

5b = 20.08

Answer:

0 sec. I help him get the tourist too :)

Step-by-step explanation:

jk, but her cub takes 13 and the mama 4

Using the together rate, it is found that it would take each bear 9 hours to open the car door alone.

The together rate is the sum of each separate rate.

In this problem, the rates are as follows:

Hence:

[tex]\frac{1}{x} + \frac{1}{x + 9} = \frac{1}{6}[/tex]

[tex]\frac{x + 9 + x}{x(x + 9)} = \frac{1}{6}[/tex]

[tex]x^2 + 9x - 12x - 54 = 0[/tex]

[tex]x^2 - 3x - 54 = 0[/tex]

Quadratic equation with coefficients [tex]a = 1, b = -3, c = -54[/tex], hence:

[tex]\Delta = b^2 - 4ac = (-3)^2 - 4(1)(-54) = 225[/tex]

[tex]x_1 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{3 + \sqrt{225}}{2} = 9[/tex]

[tex]x_2 = \frac{-b - \sqrt{\Delta}}{2a} = \frac{3 - \sqrt{225}}{2} = -6[/tex]

It would take each bear 9 hours to open the car door alone.

To learn more about the together rate, you can take a look at https://brainly.com/question/25159431

Answer:

Step-by-step explanation:

Answer:

8 and 15

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

mathematics

Answer:

Kimi's shaved ice had the greater ratio of lime syrup to cherry syrup.

Step-by-step explanation:

the answer is 63

hope that helped

Answer:

25x4 - 2

Step-by-step explanation:

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  25  is the square of  5

Check : 2 is not a square !!

Step-by-step explanation:

m(x + n) = n

mx + mn = n

mx = n - mn

x = (n - mn)/m

x(a + b) = b(c - x)

ax + bx = bc - bx

ax + bx + bx = bc

x(a + b + b) = bc

x(a + 2b) = bc

x = bc/(a + 2b)

mx = n(m + x)

mx = mn+ nx

mx - nx = mn

x(m - n) = mn

x = mn/(m-n)

Answer:

[tex]35[/tex]

Step-by-step explanation:

From the information given we can solve for x using the larger triangle

we know that the angle at the top is 45 degrees and the side opposite of it is 35, in other words we need to find the adjacent, or rather, x

Since we have angle, an opposite side, and we need the adjacent. The trig function we need to use is [tex]tan[/tex], the formula is

[tex]tan0[/tex][tex]=\frac{opposite}{adjacent}[/tex]

we need to rearrange this to solve for the adjacent

[tex]adjacent=\frac{opposite}{tan(0)}[/tex]

[tex]x=\frac{15}{tan(45)}[/tex]

[tex]x=35[/tex]

plz mark me brainliest. :)

Answer:

The markup formula is as follows: markup = 100 * profit / cost .

Step-by-step explanation:

For example if your cost is $10.00 and you wish to markup that price by 40%, 100% + 40% = 140%. Multiply the $10.00 cost by 140% and get the retail price of $14.00.

How do you calculate a 45 markup?

Simply take the sales price minus the unit cost, and divide that number by the unit cost. Then, multiply by 100 to determine the markup percentage.

Answer:

13/3

Step-by-step explanation:

on edug

Answer:

the answer is 13/3

Step-by-step explanation:

did the assignment look below for proof

hope this helps :)

Answer:

Can't see the rest

Step-by-step explanation:

[tex]7^{2+5+2} =7^{9}[/tex]

[tex]x^{5-8} y^{12-9}z^{0} =x^{-3} y^{3}[/tex]

[tex]x^{3+5}=x^{8}[/tex]

[tex]5^{1} +5^{0} ,(5^{1})^{1},5^{2}/5[/tex]

[tex]\sqrt[3]{7} ,\frac{7}{7^{2/3} } ,7^{1/6}*7^{1/6}[/tex]

[tex]625 = 5*5*5*5, 5^{4}[/tex]

[tex]2^{10} =2*2*2*2*2*2*2*2*2*2=1024[/tex]

Answer: -1.

Step-by-step explanation:

Answer:

I think the answer is -1 but im not 100% sure i might be incorrect

Answer:

-2m - 6

Step-by-step explanation:

Answer:

K=24

B=21

Step-by-step explanation:

x+x-5=43

2x=48

x=24

K=24

B=21

Answer:

24

Step-by-step explanation:

So the only way I think would be possible to get the answer is if you divide 43 by 2 (since Bobbie and Kylie are 2 people) then subtract 5 to get the answer?

Answer:

D. (2,-3)

Step-by-step explanation:

if you substitute 2 for the x value and -3 for the y value in both equations, it works out.

instead of y=3x-9 it would be -3=3(2)-9.

you solve and get -3=-3, so it's a solution.

and instead of y=-2x+1 it would be -3=2(2)+1. after solving it, you would get -3=-3 again, so it works for both equations.

Answer:

the total amount spent is $31.68

Step-by-step explanation:

The computation of total amount spent as follows:

= 1.4 pounds × $9.15 + 0.8 pounds × $10.75 + 2.6 pounds × $3.95

= $12.81 + $8.6 + $10.27

= $31.68

hence, the total amount spent is $31.68

We simply apply the pounds with its price

Answer:

15cm is equal to 5.90551 inch

Step-by-step explanation:

I used a calculator :]

Answer:

15 cm = 5,905511811 inches.

Step-by-step explanation:

hope this helps have a good rest of your afternoon :) ❤

Answer:

its 10 tenths because 6 is closer to 10 than 0 and when you have double digits you always look at the second number so that would round to 10

Answer:

Apothem = 5 inches

(circum)radius = 5*sqrt(2) inches

Step-by-step explanation:

Answer:A

=

a

+

b

2

h

Step-by-step explanation:

Answer: 600 m/s^2

Step-by-step explanation:

Use the first kinematic equation

[tex]V_f=V_i+at\\300=0+a(0.5)\\a=600m/s^2[/tex]