Mathematics High School

Solve for k: 4k+5a−3=10−2k

Answers

Answer 1

Answer:

4k+5a_3=10_2k

4k+2k+5a=10+3

6k+5a=13

Related Questions

Scientific notation
Express this number in scientific notation.
245,600,000,000

Answers

Answer: 2.456 x 10 to the power 11

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer:

2.456 x 10 to the power 11

Step-by-step explanation:

help i need help with pre-algebra

Answers

This is the answer key it should help you

A man can type 21 words per minutes. how long will it take him to type 3780 words

Answers

1min= 21 words
3780 divided by 21=180

4. During a 12- hour period, the temperature dropped 48°. How many degrees did the temperature drop each hour.
Is the answer negative or positive? Please help..

Answers

Answer:

-4

Step-by-step explanation:

Do #1 a-f please 15 points

Answers

Answer:

1a expression

1b equation

1c equation

1d expression

1e expression

1f equation

Step-by-step explanation:

Equations have an equals sign, while expressions do not.

1a expression

1b equation

1c equation

1d expression

1e expression

1f equation

Answer:

A Expression B Equation 2 1/4 C Equation 3 2/3 D Expression E Expression F Equation

Step-by-step explanation:

Write 3.01 repeating as a mixed number.

Answers

Answer:

3 1/100

Step-by-step explanation:

Place the decimal number over a power of ten.

7+7 please help me i need help quick right away

Answers

Answer:

very funny and 14

Step-by-step explanation:

Answer:

Step-by-step explanation:

7 plus 7? how old are you?

2(7y−1)= 40 what is y?

Answers

Step-by-step explanation:

[tex]14y - 2 = 40 > > 14y = 42 > > y = 3[/tex]

Answer:

y=3

Step-by-step explanation:

Remember PEMDAS

For anyone who had the similar question.

Answers

B, i just double checked!

Pleaseeeeeeeeeeeeeeeee solve this

Answers

Answer:

x=25

Step-by-step explanation:

All angles in a triangle add up to 180°, so add all the angles together

(2x+15)+(x+10)+(3x+5)=6x+30

So that means... 6x+30=180°

Get rid of the 30, so... 180-30=150

6x=150°

Divide each by 6

6x/6=x

150/6=25

x=25

Sorry if that was hard to understand!!

NEED HELP PLEASE IM BEGGING YOU PLEASE!!!!!
NEED HELP WITH BOTH PLEASE

Answers

Answer:

14) F

15) D

Step-by-step explanation:

You have 80 minutes on a CD, minus the time you burned would equal the time you have left on the CD.

To find mark down, you multiply the percentage to the original price, and then subtract the answer to the original price.

The heights of six students Aaron, Betty, Carrie, Dan, Evelyn and Frank are 58 inches, 60 inches, 63 inches, 64 inches, 68 inches and 69 inches. Carrie is 4 inches shorter than Aaron. The girls (Betty, Carrie and Evelyn) are the three shortest students. Dan is one inch shorter than Frank. Betty is the shortest student. What is the sum of Frank’s height and Evelyn’s height, in inches?

Answers

Answer: 132

Step-by-step explanation: I think it is 132 because C + 4 = A, D + 1 = F, and B is shortest. so the order is FDAECB with Frank at 69 and Evelyn at 63. Carrie has to be at 60 because Aaron, who is 64, is 4 inches taller than Carrie. So, when you add 69 and 63 together, you get 132. Also just to check, Dan, who is 68, is one inch shorter than Frank, who is the tallest. This is only true because the girls are the youngest.

Answer:

132

Step-by-step explanation:

I did it on a Mathcounts competition

What is the length of DE?
2.9 units
7.2 units
12.5 units

Answers

Answer:

7.2 units

Step-by-step explanation:

Estimate and Guess

We know that it cannot be 2.9 units long, because it slanted is 6 units long. The closest value to that is 7.2 units.

Answer: 7.2 units

Heeeeeeeeelp plssssssssssss

Answers

E and a are the same

Answer:

A and E

Step-by-step explanation:

This is an example of the distributive property.

28n-25 is the base

E shows 7(4n-5)

7*4=28=28n

7*5=35

7(4n-5)=28n-35

Someone pls help me.

Answers

identity property in multiplication goes to the second option

commutative property goes to the first option

identity property in addition goes to the last option

associative property goes to the fourth option

distributive property goes to the third option

I may have gotten some wrong , if I did I am very sorry,if i didnt get any wrong, then I hoped this helped!

Whoever can help me 1st I will mark the brain liest

Answers

A is 163 and C is 143

Can someone answer this?

Answers

Answer:

y = 1500 + 800x

Step-by-step explanation:

This is the answer because Elisa charges 1500 dollars no matter what. That value is not dependant on anything. Every hour she is with the client is 800 dollars. That is why it is represented as 800x. X being the amount of hours. You add the two together to find how much Elisa's services cost.

The temperature at 8 p.m. was 6 degrees. at 2 p.m. the temperature decreased 13 degrees. What was the temperature at 2 a.m.?

Answers

Step-by-step explanation:

Given parameters:

Temperature at 8pm = 6°C

Temperature at 2am = decreased by 13°C

Unknown:

Temperature at 2am

Solution:

Since this is a temperature decrease problem, the temperature at 2am should be lesser.

Temperature at 2am = Temperature at 8pm - Temperature decrease

= 6°C - 13°C

= -7°C

PLZ ANSWER THIS QUICK! THANK U!!

Answers

There is 33 students in the class

Solve:
7 - 3(-9x + 3) = 11

Answers

x=13/27
explaination: hope this helped

PLZ HELP QUICK THANKS!

Answers

Answer:

L = [tex]5 \frac{1}{6} cm = \frac{31}{6} [/tex] cm

B = [tex]2 \frac{2}{7}cm = \frac{16}{7} [/tex]cm

Area = [tex] \frac{31}{6} cm \times \frac{16}{7}cm = \frac{496}{42}cm^{2} [/tex]

[tex]11 \frac{34}{42}cm^{2} [/tex]

[tex] = 11\frac{17}{21}cm^{2} [/tex]

if 2^6=y^3 what is y?

Answers

this is the answer that i got

Answer:

y=4

Step-by-step explanation:

simplify 2^6 --> 64

find the cube root of 64,

y=4

Select the correct answer.
Which complex number is equivalent to the given expression?
(2 + i)(8 – 3i) – (23 + 34i)

Answers

Answer:

-47

Step-by-step explanation:

Answer:

-4 - 32i

Step-by-step explanation:

Got it right on the test

All shirts are the same price. Which deal is cheaper per shirt?
A) Buy 2 shirts and get 25% off.
B) Buy 3 shirts and save 30%.

Answers

Answer:

The answer of this question is option A

Let’s say each shirt is $10.

If I buy 2 shirts for $20 and get 25% off, I will have spent $15. This would come out to $7.50 per shirt.

If I buy 3 shirts for $30 and get 30% off, i will have spent $21. Which is $7 per shirt.

The answer is option B

A rhombus has 4 equal sides.
What is the order of rotational symmetry for a rhombus?

1
2
3
4

Answers

Answer:

B. 2

Step-by-step explanation:

Got Correct On MyPath.

The order of rotational symmetry for a rhombus is 2.

What is Polygon?

A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end

A rhombus is a special case of a parallelogram, and it is a four-sided quadrilateral.

In a rhombus, opposite sides are parallel and the opposite angles are equal.

All the sides of a rhombus are equal in length, and the diagonals bisect each other at right angles

Rotational Symmetry of a Rhombus has four equal sides but of varying angles.

A rhombus has two lines of symmetry (vertical and horizontal), an order of two, and the angle of rotation of 180 degrees

Hence, the order of rotational symmetry for a rhombus is 2.

To learn more on Polygons click:

https://brainly.com/question/24464711

#SPJ2

At New years you decide to join a gym to lose all those calories gained during winter break and youre comparing two different gyms. The first gym, gym A has a 12$ initiation fee and then costs 10$ per month. The second gym , gym B has a 20$ initiation fee and then costs 6$ per month. Create an equation that aims to find when these two gyms will cost the same amount of money

Answers

Given:

For gym A, initiation fee = $12 and cost = $10 per month.

For gym B, initiation fee = $20 and cost = $6 per month.

To find:

The equation that aims to find when these two gyms will cost the same amount of money,

Solution:

Let the number of months be x.

Cost function = Initiation fee + (cost)(x)

Cost function for gym A is

[tex]f(x)=12+10x[/tex]

Cost function for gym B is

[tex]g(x)=20+6x[/tex]

Cost of these two gyms are equal if f(x)=g(x).

[tex]12+10x=20+6x[/tex]

Therefore, the required equation is [tex]12+10x=20+6x[/tex].

On solving this equation, we get

[tex]10x-6x=20-12[/tex]

[tex]4x=8[/tex]

[tex]x=2[/tex]

Hence, after 2 months the cost of these two gyms are same.

Find a counterexample to show that the given conjecture is false:

The sum of two positive even integers is always an odd integer.

Answers

Answer:

20 + 16 = 36

Step-by-step explanation:

The conjecture: "The sum of two positive even integers is always an odd integer" can be easily be proven false with a counterexample.

Pick A=20 and B=16, both are positive even integers.

The sum of both A + B = 36 is an even integer. This is a counterexample because being even is the contrary of being odd.

Counterexample: 20 + 16 = 36

In fact, the conjecture is always false, since there cannot be found any pair of positive integers whose sum is odd.

Other possible counterexamples are:

10 + 8, 700 + 40, 12 + 14, etc.

HELP WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!

Answers

I got 2 : 3. You didn’t give answer choices but after you commented the answer choices I was able to determine that 2:3 is the answer.

What is y +3 = 7(2 – 2) written in standard form?
Choose 1 answer: :
А)
-7x +y = -5
B
y=73 – 5
С
y = 7x – 17
– 7x + y = -17

Answers

Answer:

Step-by-step explanation:

y+3=7x+7•−2

Multiply 7 by −2.

y+3=7x−14

Rewrite the equation with the sides flipped.

−

Which of the following is both a perfect square and a perfect cube?
64
16
81
1,000

I know the answer is 64, but how? Can someone please explain me to me how to work this out?

Answers

Well the square root of 64 is 8, and the cube root of 64 is 4. They’re perfect whole numbers. We know 4 x 4 = 16 is a square from the fact above, and also because of what a square means. But we can go one step further. 4 x 16 = 64 is the product of two squares, so it is also a square. But you can also write it as 64 = 4 x 4 x 4, making it a cube.

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