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algol [13]
2 years ago
7

(please explain)2. Write the fact families for the number 144,12, and 12.​

Mathematics
1 answer:
Ymorist [56]2 years ago
4 0

Answer:

12 x 12 = 144

144  ÷ 12 = 12

Step-by-step explanation:

12 times 12 is 144 and the opposite of multiplication is division, the sum goes in front when you divide

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A clothing store pays $89.47 for a dress. The store’s percent of markup is 50% and the tax is 7.6%. Find the selling price for t
Goryan [66]
Hi,
<span>SP=Selling Price
</span>CP of dress= $ 89.47
percent of mark up = 50%
SP without tax= 100+ mark up % /100 * CP
<span>SP without tax= 100+50/100 * 89.47
</span>SP without tax= 150/100 * 89.47
SP without tax= 1.5 * 89.47
<span>SP without tax= $ 134.205
</span>tot. SP(SP with tax)= 100 + tax %/100 * SP
<span>SP=100 + 7.6/100 * 134.205
</span>SP= 107.6/100 * 134.205
SP= 1.076 * 134.205
<span>SP=  $144.40458
Hope this helps you.</span>
3 0
3 years ago
Is r(l+2h) a formula for a length area or volume
Novosadov [1.4K]
Hello,

In my opinion, 
I would say Volume. 

I hope this helps.
4 0
3 years ago
What is the inverse of f(x) = -3x + 5?
LenaWriter [7]

Answer:

y = -x/3 + 5/3

Step-by-step explanation:

In order to find the inverse of a function, you have to switch the x and y values, and then solve for y again.

f(x)=-3x+5

y = -3x + 5

x = -3y + 5

x + 3y = 5

3y = 5 - x

3y = -x + 5

y = -x/3 + 5/3


3 0
3 years ago
Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 month
podryga [215]
Maturity value is given by

FV=P(1+rt)

where: P is the initial value of the promissory note, r is the simple interest rate, and t is the time period (in years).

Given that <span>Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers.

P = &8,000; t = 9 months = 9 / 12 = 0.75 years; r = 7% = 0.07

FV=8000(1+(0.07\times0.75)) \\  \\ =8000(1+0.0525)=8000(1.0525) \\  \\ =\$8,420

The proceed from a discounted promisory note is given by

X=FV(1-dt)

where: FV is the maturity value of the promissory note, d is the discount rate and t is the number of years remaining from the time the note was discounted to the maturity date.

Given that </span>a<span>fter 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%.

t = 9 months - 4 months = 5 months = 5 / 12 years; d = 10% = 0.1; FV = $8,420

X=8420\left(1-\left(0.1\times \frac{5}{12} \right)\right) \\  \\ =8420\left(1- \frac{1}{24} \right)=8420\left( \frac{23}{24} \right) \\  \\ =\$8,069.17

Therefore, the proceed is $8,069.17
</span>
7 0
3 years ago
Ik ik this is the last one lol<br>but I really need this ​
yawa3891 [41]

Answer:

b. -2/3

Step-by-step explanation:

in addition a negative plus a negative does not equal a positive so we can already assume the answer is b but to be safe we can work this problem out in this way: 1/9 + 5/9 = 6/9 we simplify 6/9 and we get 2/3 so we slap the negative back on and boom -2/3

6 0
3 years ago
Read 2 more answers
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