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Advocard [28]
3 years ago
7

How is (+6) - (-11) different from (-6) - (+11)? Explain.

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

Answer: One is a positive and one is Negative (+6) - (-11) = 17 and (-6) - (+11) = -17

Step-by-step explanation:

you can use the keep, change, change method

1.) (+6) - (-11)

Keep change change

2.) (+6) + 11 = 17

1.) (-6) - (+11)

keep change change

2.) (-6) + (-11) = -17

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Solve x^2=x+6 by factoring
mihalych1998 [28]

Answer:

(x+2)(x-3)

Step-by-step explanation:

easy

4 0
3 years ago
Alan has an annual base salary of $18,000. In addition to his salary, he earns 9% of his total sales (S). If he wants to earn at
aivan3 [116]

The right answer is Option D: S>$300,000.

Step-by-step explanation:

Given,

Base salary of Alan = $18000

Commission = 9% = \frac{9}{100} = 0.09

Amount Alan wants to earn = $45000 or more

Let,

s be the worth he needs to sell.

Therefore,

Base salary + Commission*Total sales>Amount Alan wants to earn

18000+0.09s>45000

0.09s>45000-18000\\0.09s>27000

Dividing both sides by 0.09

\frac{0.09s}{0.09}>\frac{27000}{0.09}\\s>300000

Alan must sold items that worth at least $300,000.

The right answer is Option D: S>$300,000.

Keywords: inequality, division

Learn more about inequalities at:

  • brainly.com/question/4228574
  • brainly.com/question/4279146

#LearnwithBrainly

7 0
3 years ago
How much money should be invested in an account that earns 8% interest compounded quarterly to yield $10,000 in 4 years? (Round
sweet [91]

Answer:

757,576cents

Step-by-step explanation:

Given

Amount = $10000

Time = 4years

Rate = 8%

n = 1/4 year (compounded quarterly

Using the formula to get the principal

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

10000 = P(1+0.08/0.25)^4(1/4)

10000 = P(1+0.32)

10000= 1.32P

P = 10000/1.32

P = 7575.76

Hence he suppose to invest $7575.76 which is equivalent to 7575.76×100 cents i.e 757,576cents

4 0
2 years ago
10 pounds of Cat Food A costs $6.50. For 20 pounds of Cat Food B it is $14.00. Which cat food is the better deal? Write the answ
Gnom [1K]

Answer:

cat food a

Step-by-step explanation:

6.5/10 = 0.65 unit price

14/20 = 0.70 unit price

4 0
2 years ago
Read 2 more answers
HELP Use either law of sines or law of cosine. Need help on this problem! show work please!​
Marina86 [1]

Answer: x = 15.035677095729 approximately

Round this however you need to.

=================================================

Explanation:

I'm assuming you want to find the value of x, which your diagram is showing to be the length of segment QR.

If so, then we'll need to find the measure of angle Q first. Using the law of sines, we get the following:

sin(Q)/q = sin(R)/r

sin(Q)/PR = sin(R)/PQ

sin(Q)/13 = sin(85)/19

sin(Q) = 13*sin(85)/19

sin(Q) = 0.6816068987

Q = arcsin(0.6816068987) ... or ... Q = 180-arcsin(0.6816068987)

Q = 42.9693397461 ... or ... Q = 137.0306602539

These values are approximate.

----------------

Now if Q = 42.9693397461 approximately, then angle P is

P = 180-Q-R

P = 180-42.9693397461-85

P = 52.0306602539

Similarly, if Q = 137.0306602539 approximately, then,

P = 180-Q-R

P = 180-137.0306602539-85

P = -42.0306602539

A negative angle is not possible, so we'll ignore Q = 137.0306602539

----------------

The only possible value of angle P is approximately P = 52.0306602539

Let's apply the law of sines again to find side p, aka segment QR

sin(P)/p = sin(R)/r

sin(P)/QR = sin(R)/PQ

sin(52.0306602539)/x = sin(85)/19

19*sin(52.0306602539) = x*sin(85)

19*sin(52.0306602539)/sin(85) = x

x = 15.035677095729

This value is approximate.

Round this value however you need to.

4 0
3 years ago
Read 2 more answers
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