1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lena [83]
2 years ago
15

Pls help 15 points pls hurry

Mathematics
1 answer:
Alexus [3.1K]2 years ago
3 0

Answer:

5k and -3k are like variables

constants 7 and -2 are like terms

5+2k+n is equivalent expression

Step-by-step explanation:

You might be interested in
PLEASE HELP THIS Q IS ON A QUIZ ABOUT RATIO AND PROPORTION
sergij07 [2.7K]

We want to see which offer is the best one to buy 40 batteries, by using algebra we will see that the best offer is offer-B

<h3>How to find the best offer?</h3>

Here we just need to see which would be the cost of 40 batteries which each offer.

For offer-A, a pack of 4 costs £2.52 and we have 1/3 off.

For 40 batteries the cost will be 10 times the above quantity, we get:

10* £2.52 =  £25.20

But there is a 1/3 off, so the cost would be 2/3 of the above quantity:

£25.20*(2/3) = £16.80

For offer-B we know that a pack of 5 costs £2.75, so you need to buy 8 of these. And for each 3 you get one free, so you need to buy 6 (and get 2 free ones). The cost of 6 of these is:

6*£2.75 = $16.50

From this, we can conclude that offer-B is the best one.

If you want to learn more about algebra, you can read:

brainly.com/question/8120556

5 0
2 years ago
Angle Relationships
Snowcat [4.5K]

Answer:

B.

   BC = 4.8cm

   AC = 3.6cm

   ∠B = 37°

   ∠C =90°

Step-by-step explanation:

I calculated it logically

4 0
2 years ago
Chipper had 189 hits in 572 at bats calculate chippers batting average for season by dividing the number if hits by the number o
lord [1]

Answer:

0.330

Step-by-step explanation:

Divide the number of hits (189) by the number of bats (572)

189/572=0.330

8 0
3 years ago
A landscape business charges $50 to deliver rocks. The cost of the rocks are $27 per cubic yard. write and solve a linear equati
Nuetrik [128]
<h2>Answer: 27x + 50 = y, $266</h2>

Step-by-step explanation:

First, let's form a linear equation that will help us find out how much that will cost.

Let's set x = the cubic yards of rocks delivered and y = total cost.

First, we know that the business charges 27 dollars for every x that you buy. That can be shown with a multiplication expression:

27x

Next, we know that the business charges a fixed fee of $50 for their services. This fee would be <em>added on</em> to the amount that they charge for the rocks that you buy.

<h2>27x + 50 = y</h2>

That's our linear expression! Next, we need to find out the <em>total cost</em>, y, when you need 8 cubic yards of rocks delivered, x.

To solve this, we need to substitute values for at least one of our variables.

Since 8 describes the cubic yards of rocks delivered, we can substitute 8 for x.

But we don't know y, the total cost- that's what we're solving for! In other words, we're solving for y.

Let's just substitute in what we know:

27(8) + 50 = y.

216 + 50 = y

<h2>y = 266</h2>

So, we know that it would cost $266 dollars to have 8 cubic yards of rocks delivered to a site.

By the way, you can also graph your linear equation to find the corresponding y-value to 8 as another way to solve your problem.

7 0
3 years ago
3abc<br> What is the coeficient of c?
romanna [79]

Answer:

3

Step-by-step explanation:

3 is the coefficient of c as it is a constant, whereas a and b are variables, subject to change.

4 0
2 years ago
Other questions:
  • ryan is going to make a sculpture from a rectangular block of clay. the volume of the block is (x+8)(x-3)(2x-5). A)the volume is
    14·1 answer
  • The answers are either 1. centroid 2. orthocenter 3. incenter 4. circumcenter
    5·1 answer
  • Unsimplified ratio of circles to triangles:
    15·1 answer
  • The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 6 to 5. Ir there were 3
    9·2 answers
  • one factor of f(c) = 5x3 + 5x2 - 170x + 280 is (x + 7). What are all the roots of the function? Use the remainder theorem
    6·2 answers
  • Two times the sum of a number and 4 equals 7.
    14·1 answer
  • 2(x + 2) + 3x = 2(x + 1) + 1
    11·1 answer
  • The rabbits ate three fifths of the celery crop in each of 8 gardens. What fraction of celery crop did they eat in all?
    7·1 answer
  • PLEASE HELP ME ASAPP if can of not then just leave it
    5·2 answers
  • #3: Classify the number below. Select all that apply.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!