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Nady [450]
3 years ago
6

Pls help urgently extra points and mark brainlist

Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0

Answer:

Last answer

Step-by-step explanation:

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In a two-digit number the tens digit is four less than the units digit. Seven times the tens digit plus five times the units dig
ANTONII [103]

Good morning ☕️

Answer:

<h2>37</h2><h2 />

Step-by-step explanation:

Let our number be “ xy ”

the tens digit is four less than the units digit means y-4=x

Seven times the tens digit plus five times the units digit is equal to 56 means

7x+5y=56

now we have to solve the system:

y-4=x  (1)

7x+5y=56  (2)

(1) ⇒ y=4+x

Then we substitute y by 4+x into the second equation like this:

7x+5(x+4)=56

⇔ 7x+5(x+4)=56

⇔ 12x+20=56

⇔ x = 3

now using equation (1) we get : y=3+4 = 7

:)

4 0
3 years ago
What are the two way to test to see if a relation is a function
Lerok [7]

Answer:

Identify the input values. Identify the output values.

Step-by-step explanation:

Hope this helped! :)

7 0
3 years ago
What is the value of y?
Korolek [52]

Answer:

A. 55

Step-by-step explanation:

55 + 30 + 40 + 55 = 180

I hope this helps u! :D

7 0
3 years ago
Read 2 more answers
I was pretty sure that the answer is 81w to the power of 2. I just need someone to make sure i'm correct. I also need some help
navik [9.2K]

Answer:

You are definitely correct! It is 81w^2.

Step-by-step explanation:

6 0
3 years ago
Use the following information to answer the question that follows:
sveticcg [70]

Option E is correct. The amount Mayra deposited into the account quarterly is $1,146.35 where the value of n is 4

In order to get the amount compounded quarterly, we will use the compounded interest formula as shown:

A = P(1+r/n)^nt where:

A is the amount after 5 years = $6000

r is the rate (in %) = 6% = 0.06

n is the compounding time =  1/4 (quarterly)

t is the time taken (in years) = 5 years

Required

Amount invested quarterly.

First, we need to get the amount initially invested

Substitute the given values into the formula;

6000 = P(1+0.06(4))^{5/4)}

6000 = P(1+0.24)^1.25

6000 = P (1.24)^1.25

6000 = 1.3085P

P = 6000/1.3085

P = $4,585.40

The amount initially deposited will be $4,585.40

The amount deposited quarterly = P/n where n = 4

Amount deposited quarterly = $4,585.40/4

Amount deposited quarterly = $1,146.35

Therefore the amount Mayra deposited into the account quarterly is $1,146.35 where the value of n is 4.

Learn more here: brainly.com/question/18456266

5 0
3 years ago
Read 2 more answers
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