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Debora [2.8K]
3 years ago
12

After taxes, Olive brings home $2,800 per month. She has decided that she would like to set aside 15% of her income for savings.

How much will Olive save each month?
Mathematics
1 answer:
podryga [215]3 years ago
5 0

Answer:

Olive will save $420 each month.

Step-by-step explanation:

This question can be solved using a rule of three.

Olive earns $2,800 a month. $2,800 is 100% = 1 of her earnings. She wants to save x, which is 15% = 0.15 of her income. How much is x?

2800 - 1

x - 0.15x

x = 2800*0.15 = $420

Olive will save $420 each month.

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Answer: b. 160

Step-by-step explanation: just took the test

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2 years ago
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Determine if Ginny factored correctly. If not, explain where she made an error. Ginny made a mistake in step 1 when she identifi
il63 [147K]

Quadratic equations are second-order equations. Ginney made a mistake when she identified b = 31. It should be b = –31.

<h3>What is a Quadratic Equation?</h3>

A quadratic equation is an equation that can be written in the form of

ax²+bx+c.

Where a is the leading coefficient, and

c is the constant.

In order to find the mistake that Ginny made, we will first find the factors ourselves, therefore, we will factorize the trinomial,

6x^2 - 31x -30 = 0

As we can see that the value of constants are,

a = 6

b = -31

c = 30

6x^2 - 31x -30 = 0\\\\6x^2 - 36x+5x -30 = 0\\\\6x(x-6)+5(x-6)=0\\\\(6x+5)(x-6)=0

Therefore, the factors of the trinomial 6x^2 - 31x -30 = 0 are (6x+5) and (x-6).

If we compare our process with Ginny's process, we will find that she has taken the value of the constant b as 31 which is wrong.

Hence, Ginney made a mistake when she identified b = 31. It should be b = –31.

Learn more about Quadratic Equation:

brainly.com/question/17177510

3 0
2 years ago
Read 2 more answers
Help please it’s a quiz
Sidana [21]
......................
3 0
3 years ago
P2q2+pq–q3–p3 =<br><br> for p=0.5 and q = −0.5<br><br><br> Please help!!!
Aleksandr [31]
In order to answer the question, we simply substitute the value of p and q to the given expression and solve. We do as follows:

<span>P^2q^2+pq–q^3–p^3 
</span>0.5^2(-0.5)^2+0.5(-0.5)–(-0.5)^3–(0.5)^3
-3/16 or -0.1875

Hope this answers the question. Have a nice day. 
5 0
3 years ago
Amrita bought a new delivery van for $32,500. The value of this van depreciates at a rate of 12% each year. Write a function f(x
Step2247 [10]

Answer:

3900

Step-by-step explanation:

12/100 x 32,500/1

=3900

the ownership after year will be 3900

4 0
3 years ago
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