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Oliga [24]
3 years ago
7

Simplify please -4x -3x

Mathematics
2 answers:
leonid [27]3 years ago
7 0
I’m pretty sure your answer will be -7 because if you add the negatives together it will get more negative and -3 and -4 combined is -7
Blababa [14]3 years ago
3 0

Answer:

-7x

Step-by-step explanation:

= -4x-3x

<u><em>Taking x common</em></u>

= x(-4-3)

= x(-7)

= -7x

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3 years ago
Which of the following has a value that is less than zero
Nat2105 [25]

Answer:

Negative numbers

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Mario was given some birthday
Len [333]

The answer would be option B "he was given $50 for his birthday."


Here is how:


Y=

^

Y equals the amount of money in the account.

75$+50$=

75x represents the amount of money he DEPOSITS which is in the question.

So if he deposits 75$ a week (which represents X) and he adds 50$ to it which means he has 50$ to begin with which means he got 50$ for his birthday.


Also....


Because 75x already represents X therefore it wouldn't be options A, C or D.


Hope this helps!

4 0
3 years ago
PLEASE HELP!! Algebra 2 Review !!
Kamila [148]

Answer:

\frac{28-3i}{26}

Step-by-step explanation:

For #2, remember that i=\sqrt{-1}, so i^{2}=-1 Also, (a+b)(a-b), where a and b are any numbers, (a+b)(a-b)=a^2-b^2. Now, to simplify, or radicalize, a number with surds in the denominator, you have to multiply the denominator by its conjugate. If there is a complex number a+bi, where a and b are any numbers, the conjugate is always a-bi. Lets apply these rules. The conjugate of 4+6i is 4-6i, so do this:

\frac{5+6i}{4+6i}=\frac{(5+6i)(4-6i)}{(4+6i)(4-6i)}=\frac{20+24i-30i+36}{16+36}=\frac{56-6i}{52}=\frac{2(28-3i)}{2(26)}=\frac{28-3i}{26}

Our answer is (28-3i)/(26)!

6 0
3 years ago
Jharana got Rs.1881 interest of certain sum for 2year at 9% compounded yearly.find the sum.​
Lana71 [14]

The principal sum is Rs.10,000

Step-by-step explanation:

The formula of compound interest is:

I=P(1+\frac{r}{n})^{nt}-P where:

  • I is the interest
  • P is the principal investment amount (the initial deposit or loan amount)
  • r is the annual interest rate (decimal)
  • n is the number of times that interest is compounded per unit t
  • t is the time the money is invested or borrowed for

Jharana got Rs.1881 interest of certain sum for 2 year at 9%

compounded yearly

∵ I = Rs.1881

∵ r = (9/100) = 0.09

∵ n = 1 ⇒ compounded yearly

∵ t = 2 years

Substitute all of these values in the rule above

∴ 1881=P(1+\frac{0.09}{1})^{(1)(2)}-P

∴ 1881 = P(1 + 0.09)² - P

∴ 1881 = P(1.09)² - P

∴ 1881 = 1.1881 P - P

∴ 1881 = 0.1881 P

- Divide both sides by 0.1881

∴ P = 10,000

The principal sum is Rs.10,000

Learn more:

You can learn more about the interest in brainly.com/question/11149751

#LearnwithBrainly

3 0
3 years ago
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