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atroni [7]
3 years ago
5

Can you please help me with this question I would really appreciate it ​

Mathematics
2 answers:
Rom4ik [11]3 years ago
5 0

15n+21

We dont know how much square peter buys and per square cost 15$. So thats mean peter buys 15n$

And the total delivery charge 21$

Its cost 15n+21

blondinia [14]3 years ago
4 0

Answer:

15n+21

Step-by-step explanation:

The carpet costs $15 for every n square metres so we need to multiply $15 by n so

$15*n = $15n

We have to add another $21 for delivery charge so

($15n)+21 = $(15n+21)

So the final answer is $(15n+21) and it is the third option.

You might be interested in
The radius of a circle is 3 kilometers. What is the circle's circumference?
lukranit [14]

Answer:

18.84 km

Step-by-step explanation:

The formula for the circumference is 2πr. 6.28*3=18.84

Please mark as Brainliest! :)

Have a nice day.

8 0
3 years ago
50 points! Mhanifa please help! I would appreciate it! Random answers will be reported!
alisha [4.7K]

Answer:

x = 4, ∠I = 33°

Step-by-step explanation:

<u>Question 1</u>

Converse to Base Angles Theorem: 28 = 9x - 8,

28 = 9x - 8 (add 8 to both sides)

9x = 36 (divide both sides by 9)

x = 4

<u>Question 2</u>

Since the triangles are congruent, ∠A ≅ ∠G:

∠A = 55 = ∠G

If we consider triangle ALX we have ∠L = 180-55-92 = 33°

And since ∠L ≅ ∠I, ∠I = 33° respectively

4 0
2 years ago
Read 2 more answers
For each of the sequences below, enter either diverges if the sequence diverges, or the limit of the sequence if the sequence co
Tanzania [10]

Answer:

As n tends to positive infinity, we have that,

A. 5/n + n/5 ---- converges

B. 5^-n. -----------converges

C. Sin n/5n------ converges

D. 5n + 5/n ------diverges

Step-by-step explanation:

5 0
3 years ago
Would the scale factor 4.2 enlarge,reduce,or preserve
Juli2301 [7.4K]

Hey there! I'm happy to help!

Let's look at what scale factors would be able to enlarge, reduce, and preserve first. We will use the point (1,1) as an example.

ENLARGE

When we talk about scale factors, both of our numbers of the ordered pair will be multiplied by that number. To make it bigger, we will multiply it by anything larger than a one, we could have a scale factor such as 2, 100, 579395. etc.!

Dilation of 2

(1,1)⇒(2,2)

REDUCE

To reduce our ordered pair, our scale factor must be a number greater than zero but less than one because it cannot switch quadrants, which is what would happen if we used negative numbers. Our reduced number must be greater than zero. We can use 1/2, 1/4, 1/100, 0.67 etc.

Dilation of 1/2

(1,1)⇒(0.5,0.5)

PRESERVE

What would we multiply an ordered pair by to make it stay the same? One of course! This is the only number that will keep it the same!

Dilation of 1

(1,1)⇒(1,1)

Now, let's think of any scale factor as X and see what rules it has to follow to be enlarging, reducing, or preserving.

ENLARGING SCALE FACTOR: X>1

REDUCING SCALE FACTOR: 0<X<1

PRESERVING SCALE FACTOR: X=1

So, where does 4.2 fall? Well, as you can see, 4.2 is greater than one, so this scale factor would make our point larger.

Therefore, 4.2 would enlarge.

I hope that this helps! Have a wonderful day!

8 0
3 years ago
given two squares, one with side length of 5 and the other with a side length of 7, what is the ratio of their areas?
Kaylis [27]

Answer:

25: 49

Step-by-step explanation:

5*5:7*7\\25: 49

7 0
3 years ago
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