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DiKsa [7]
3 years ago
15

PLZ HELP IVE BEEN STUCK ON THIS QUESTION​

Mathematics
1 answer:
o-na [289]3 years ago
7 0

Answer:

A= 16

B=?

Step-by-step explanation: srry about the second one im also confused but i tried my best.

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Explain when you should reverse the inequality symbol when solving an equality.
rosijanka [135]
You must “reverse” the inequality sign to make the statement true: When you multiply by a negative number, “reverse” the inequality sign. Whenever you multiply or divide both sides of an inequality by a negative number, the inequality sign must be reversed in order to keep a true statement.
3 0
3 years ago
find the value of n in each equation. write what n represents in the related division problem 643=4×160+n
schepotkina [342]

Answer: n = 3; n represents a remainder in a division problem.


Explanation:


1) Finding n:


i) Given: 643 = 4 × 160 + n

ii) Do the operations: 643 = 640 + n

iii) Subraction property of the equality: 643 - 640 = n

iv)  Do the operations: 3 = n

Answer: n 3


2) Meaning of n


When you divide 643 by 4 the quotient is 160 and the remainder is 3, because 160 × 4 = 640, and 643 - 640 = 3.


This is, 3 is what is left when you split 643 into 4 getting 160 whole parts (plus the remainder, 3).

3 0
3 years ago
Giving brainiest and thanking you if your answer is correct
r-ruslan [8.4K]

Answer:

-4

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
$4000 is invested in a mutual fund that pays annual interest compounded quarterly for 15 years. What annual interest is needed t
Neporo4naja [7]

Answer:

The interest needed to reach that value of $6000 is 2.75%

Step-by-step explanation:

Given as :

The principal that invested in mutual fund = p = $4000

The time period = t = 15 years

The Amount after 15 years = A = $6000

Let The interest needed to reach that value = r%

Now, According to question

<u>From Compound Interest method</u>

Amount = principal × (1+\dfrac{\textrm rate}{100})^{\textrm time}

Or, A = p × (1+\dfrac{\textrm r}{100})^{\textrm t}

Or, $6000 = $4000 × (1+\dfrac{\textrm r}{100})^{\textrm 15}

or, \dfrac{6000}{4000} = (1+\dfrac{\textrm r}{100})^{\textrm 15}

Or, \frac{3}{2} = (1+\dfrac{\textrm r}{100})^{\textrm 15}

or, 1.5 = (1+\dfrac{\textrm r}{100})^{\textrm 15}

or, 1.5^{\frac{1}{15}} = (1+\dfrac{\textrm r}{100})

or, 1.0275 =  (1+\dfrac{\textrm r}{100})

or, 1.0275 - 1 = \dfrac{r}{100}

or, 0.0275 = \dfrac{r}{100}

∴ r = 0.0275 × 100

I.e r = 2.75

So, The interest needed to reach that value = r = 2.75%

Hence,The interest needed to reach that value of $6000 is 2.75% Answer

3 0
3 years ago
What are the steps to solve?
masha68 [24]

Answer:

First, distribute the -2 to each value in the parentheses.

-2x + 4 = 10

(The 4 is positive because a negative multiplied by a negative is a positive)

Then, subtract 4 from both sides to get rid of it.

-2x = 6

Divide by -2 to get x by itself

x = -3

5 0
3 years ago
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