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alexandr402 [8]
3 years ago
6

Convert 22 days to weeks and days.

Mathematics
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

22 days = 3 weeks and 1 day

454 minutes = 7 hours and 34 minutes

4 years and 4 months = 148 months

12 pounds and 13 ounces = 205 ounces

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Which algebraic expression models the given word phrase 10 times the sum of a and b?
Phoenix [80]
In this case, the answer would be 10(a+b).  We are multiplying 10 * a + b.  Hope this helps you and satisfies your query.  Feel free to ask more questions.
8 0
4 years ago
Read 2 more answers
If the original cost of a TV is 1250.00 but decreases by 4.5% each week, how many weeks before the TV will cost 800.00?
NeX [460]
This is exponential growth/decay type problem...

F=Ir^t, F=final value, I=initial value, r=rate, t=time, in this case I=1250 and r=(1-.045)=0.955 so

F=1250(.955)^t  and we want to find t for when F=800 

800=1250(.955)^t

.64=.955^t  take the natural log of both sides...

ln.64=t ln.955

t=(ln.64)/ln.995

t≈9.69 weeks

t≈9.69 weeks (to nearest hundredth of a week)
4 0
3 years ago
Read 2 more answers
Nadia is a stockbroker. She earns 4% commission when she sells stocks. Last week, she earned $288 in commission.
Tresset [83]

Answer:

a)The total amount of her  weekly stock sales  = $7,200

b) The total amount of her yearly stock sales  = $350,000

Step-by-step explanation:

(a)  Let us assume that the total a mount of her sales in a week  = $m

      Commission earned in a week = $288

      Now, 4 % of her total sales  = $288

      or, 4% of ($m)  = $288

    ⇒\frac{4}{100}  \times  m = 288

     or, m = \frac{288 \times 100}{4}   = 7,200

     ⇒ m = $7,200

Hence, the total amount of her  weekly stock sales  = $7,200

b)  Let us assume that the total amount of her sales in a year  = $k

     The total amount of commission earned  = $14,000

Now, 4 % of her total sales  = $14,000

      or, 4% of ($k)  = $14,000

    ⇒\frac{4}{100}  \times  k = 14,000

     or, k = \frac{14,000 \times 100}{4}   = 350,000

     ⇒ k = $350,000

Hence, the total amount of her yearly stock sales  = $350,000

8 0
3 years ago
Help me on this please !!
zaharov [31]

Step-by-step explanation:

Hey, there !!

It's simple lets get started with simple solution,

Given the sequences are,

10,8,6,4....

Then,

common diifference= 2

now, we have formula,

an = a1 + d(n - 1)

or \:  an= 10 + 2(n - 1)

or \: an \:  = 10 + 2n - 2

an \:  = 2n + 8

or \: an = 2(n + 4)

Therefore, The answer is an = 2( n+4) or, 10+2(n-1)...

{ note: 2(n+4) is simplified form of 10 +2(n-1).}

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
3 years ago
Please help!! Maths question I don't understand!
djverab [1.8K]

Answer:

see explanation

Step-by-step explanation:

The statements tells us that w is inversely proportional to v and the equation relating them is

v = \frac{k}{w} ← k is the constant of proportion

To find k use the condition v = 9, w = 5, that is

9 = \frac{k}{5} ( multiply both sides by 5 )

45 = k

v = \frac{45}{w} ← equation of proportion

When w = 4 , then

v = \frac{45}{4} = 11.25

4 0
3 years ago
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