3.
For each expression, combine like terms and write an equivalent expression with fewer terms.
a.
4x + 3x
b.
3x + 5x – 1
C.
5 + 2x + 7 + 4x
d.
4 - 2x + 5x
e.
10x – 5 + 3x – 2

Answer:

1. 2

2. 2/8 or 1/4 simplified

3. 5hrs

Hope I helped!

Answer:

5/24

Step-by-step explanation:

Step-by-step explanation:

[tex] - \frac{3}{8} + \frac{1}{6} [/tex]

[tex] (- \frac{3}{8} \times \frac{3}{3} ) + ( \frac{1}{6} \times \frac{4}{4} )[/tex]

[tex] - \frac{9}{24} + \frac{4}{24} [/tex]

[tex] - \frac{5}{24} [/tex]

Answer:

The item cost 125.53159 cents per ounce if its sales price is $44.28 per kilograms

Step-by-step explanation:

The sale price of item is $44.28 per kilograms. We need it to convert into cents per ounce.

We know that 1 dollar per kilogram = 2.83495 cents per ounce

So, 44.28 dollars per kilograms = 2.83495 * 44.28 cents per ounce

                                                     = 125.53159 cents per ounce

So, the item cost 125.53159 cents per ounce if its sales price is $44.28 per kilograms

Answer:

Step-by-step explanation:

you seee i would nut I need points right now I'm sorry

Answer:

y=40

Step-by-step explanation:

x   y

9   15

24  y

9/24=15/y

24*15=9y

360=9y

40=y

Therefore, 40 is correct.

If x and y are proportional, when x=24 we get y=40. Therefore, option (3) is the correct answer.

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is known as the "constant of proportionality".

Given that, in a proportional relationship when x=9 we know that y=15.

If x is directly varies to y we get

x∝y

x=ky

Now, 9=15k

k=9/15

k=3/5

So, equation is x=3/5y

When x=24, we get

24=3/5y

24×5=3y

y=40

Therefore, option (3) is the correct answer.

To learn more about the proportional relationship visit:

brainly.com/question/12917806.

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[tex]3(x - 2) = 12[/tex]

[tex]x = 6[/tex]

_________________________________

[tex]6(x + 5) = 54[/tex]

[tex]x = 4[/tex]

_________________________________

[tex]3x + 5 = 32[/tex]

[tex]x = 9[/tex]

_________________________________

[tex]5(x + 7) = 45[/tex]

[tex]x = 2[/tex]

_________________________________

[tex]7x + 6 = 41[/tex]

[tex]x = 5[/tex]

_________________________________

[tex]2(x + 7) = 29[/tex]

[tex]x = 7.5[/tex]

_________________________________

[tex]4(x + 3) = 30[/tex]

[tex]x = 4.5[/tex]

_________________________________

[tex]5(x - 4) = 20[/tex]

[tex]x = 8[/tex]

_________________________________

[tex]3x - 10 = 23[/tex]

[tex]x = 11[/tex]

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Card A: x = 6

Card B: x = 4

Card C: x = 9

Card D: x = 2

Card E: x = 5

Card F: x = [tex]\frac{15}{2}[/tex]

Card G: x = [tex]\frac{9}{2}[/tex]

Card H: x = 8

Card I: x = 11

There you go bud. :')

You owe me for this lol.

===================================================

Explanation:

Since AE = BE, we know that triangle ABE is isosceles with A = B as the congruent base angles (it might help to rotate the triangle 90 degrees clockwise). The congruent base angles are always opposite the congruent sides of an isosceles triangle.

Focus on triangle ABE. Let's find the missing angle E.

A+B+E = 180

55+55+E = 180

110+E = 180

E = 180-110

E = 70

So angle BEA = 70 degrees

This means angle DEC is also 70 degrees. Angles BEA and DEC are congruent vertical angles.

--------------------

Now focus on triangle DEC. We just found E = 70. The diagram shows D = 34. Use these items to find C

D+E+C = 180

34+70+C = 180

104+C = 180

C = 180-104

C = 76

Angle C is 76 degrees

Answer:

hey

Step-by-step explanation:

The total number of sixth-grade students at Escobar Middle School is 400 students

What is Percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %

Given data ,

Let the total number of students in sixth grade = x

5 % of sixth grade students is = 20 students

So ,

We need to calculate the total 100 % students in the sixth-grade

And ,

10 % of sixth-grade students = 2 x 5 % of sixth grade students

                                               = 2 x 20 students

                                               = 40 students

Now ,

100 % of sixth-grade students x = 10 x 10 % of sixth-grade students

                                                    = 10 x 40 students

                                                    = 400 students

Therefore , there are 400 students

Hence , the total number of sixth-grade students is 400 students

To learn more about percentage click :

https://brainly.com/question/12861068

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1) The error in the graph should be that the time should be on x-axis and cost should be on y axis

Find out more information about the graph here:

https://brainly.com/question/14375099?referrer=searchResults

Answer:

6930 for Maya and James is 6912

Step-by-step explanation

                             1600x8%=128+1600=1728x4=6912     1650x5%=82.5 82.5+1650=1732.50 1732.5x4=6930

6930-6912=18

Maya has $18 more dollars then James

Answer:

Step-by-step explanation:

each year james gets 3% more interest than maya. over 4 years james gets 34% interest and maya gets 20%. over 4 years james gets 16% more than maya.

Answer:

the answer is 40.26, you first subtract 2 to get 41.01 then subtract .75 to get 40.26, not exactly sure what work you want to be shown

Step-by-step explanation:

Answer:

36%

Step-by-step explanation:

Answer:

6:1

is the right answer

Step-by-step explanation:

Answer:

45:9 or 49 to 9

Step-by-step explanation:

If you subtract 54-9 because the question is asking what is the the ration from what he KEPT after he deleted 9 so you would subtract so the answer wouls be 45:9 or 49 to 9

The Answer is:

−30xi−18x, I really don't know what you are looking for but this is what i came up with. Hope this is helpful!

Answer:

= 5

Step-by-step explanation:

20 - 3(5)

20 - 15

= 5

Answer:

Step-by-step explanation:

-2/3x ≥ -x -2

-2/3x ≥ -x -2 +x

Simplify

1/3x ≥ -2

3 · 1/3x ≥ 3(-2)

x ≥ -6

I hope this is correct

Answer:

The probability is 1/8

Step-by-step explanation:

There are two spinners here, total result on each of the two is 4

Probability of even number of the first

The even numbers are 2 and 4

Probability of an even number is 2/4 = 1/2

For the second spinner

Probability of having a 3 on the second spinner is 1/4

So the probability of an even number on the first and a 3 on the second spinner will be;

1/2 * 1/4 = 1/8

Answer:

3rd one

Step-by-step explanation:

Brainliest?

Answer:

B

Step-by-step explanation:

has a ratio of 6 to 1

Answer:

B is the correct answer

Answer:

Tank A fills up faster.

Step-by-step explanation:

Tank A is y = 13x

Tank B is y = 11x

Plz mark as Brainliest!

Answer:

im pretty sure its c or rotation

Step-by-step explanation:

Answer:

3x - 4

Step-by-step explanation:

-9x + 12

divide by -3

3x + (-4)

3x - 4

-9 ÷ -3 = 3

12 ÷ -3 = -4

Hope this helps!

Have a nice day!

If you find my answer helpful

Pls consider marking my answer as Brainliest! It would mean a lot!

Answer:

Reflections, translations, and rotations

Answer:

Rotation, Transitions and Reflections because they don't change the size of the shape.

Explicación paso a paso:

La ganancia máxima esperada ocurre cuando dU / dx = 0

Dada la función U = - x2 + 500x + 100,000

dU / dx = -2x + 500

Dado que dU / dx = 0

Por lo tanto -2x + 500 = 0

Solución para x;

-2x = -500

x = 500/2

x = 250

Sustituya x = 250 en la función para obtener la máxima ganancia esperada como se muestra;

U = - (250) ^ 2 + 500 (250) + 100.000

U = -62500 + 125000 + 100000

U = 162,500 '

Por lo tanto, la ganancia máxima esperada por las ventas es de 162,500

Answer:

B.

Step-by-step explanation:

Took the test :}

Answer:

m<1

Step-by-step explanation:

If the expression is in the form of [tex]ax^2+bx+c[/tex], then the condition for having 2 different real roots is

[tex]b^2-4ac>0\cdots(i)[/tex].

The given expression is [tex]x^2-2x+m[/tex].

Here, a=1, b=-2 and c=m.

So, by using equation (i),

[tex](-2)^2-4(1)(m)>0[/tex]

[tex]\Rightarrow 4-4m>0[/tex]

[tex]\Rightarrow 4m<4[/tex]

[tex]\Rightarrow m<4/4[/tex]

[tex]\Rightarrow m<1[/tex].

Hence, the condition for the expression [tex]x^2-2x+m[/tex] to have two different real roots is m<1.

Answer:

20 x 80 = 160

15 x 105 = 1,575

Answer:

50% if its one head and one tail. If it's two heads then it may be 25%

Step-by-step explanation: