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Yanka [14]
3 years ago
5

Help

Mathematics
2 answers:
igomit [66]3 years ago
8 0

3(d + 11) = 6(d + 33)

So you have: 3d + 33 = 6d + 198

which is: -3d = 165

or d = -55

So you have <em>only one answer.</em>

Xelga [282]3 years ago
4 0

Answer:

Step-by-step explanationn:

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Last year a pair of shoes cost $35. This year the price of the shoes has increased to 115% of the original price. What is the ne
maria [59]
When a problem says that the price was increased by 100% + n%, it means you add on n% percent of the original price. In this problem, the original price was $35. The new price is 115% percent of the original price. So all we need to do is find 15% of the original price and add it onto the original price to find the new price.
$35 * 0.15 = $5.25
$35 + $5.25 = $40.25
The new price of the shoes is $40.25.
4 0
3 years ago
Read 2 more answers
A 240 mm candle is burning and shrinks in height 5mm per second
Gennadij [26K]

Answer:

240 - 5x and the candle will be at 0 mm in 48 seconds

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

A 240 mm candle is burning and shrinks in height 5mm per second

<em>240 - 5x</em>

<u>Step 2:  If needed solve for x</u>

240 - 5x - 240 = 0 - 240

-5x / -5 = -240 / -5

<em>x = 48</em>

Answer:  240 - 5x and the candle will be at 0 mm in 48 seconds

Graph Below:  (0, 240) shows the initial start and (48, 0) shows the ending point

4 0
3 years ago
How much simple interest would you earn for 5 years at 7 with a beginning principal of $8 000.00
asambeis [7]
I=PRT
r=rate in percent
t=time in years
p=principal

convert percent to decimal
assuming you means at 7%
percent means parst out of 100
7%=7/100=0.07

so ow we have
p=8000
r=0.07
t=5
i=8000 times 0.07 times 5
I=40000 0.07
I=2800

interest=$2800
6 0
4 years ago
400 students are assembled in a square form.How many students are assembled in each now?​
tamaranim1 [39]

Answer:

20

400 is 20 square= 20*20

so  20 students in each row

3 0
2 years ago
Solve for m.
schepotkina [342]
-37m = 12 so u take -37 + 37 = 0 > m = 12 + 37 > m = 49 which isnt one of the choices... u cant divide it and if u do -37 + 12 = -25 that isnt one of the choices either
5 0
4 years ago
Read 2 more answers
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