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Nonamiya [84]
3 years ago
10

Help please! i need get answers to 3 and 4 :)

Mathematics
1 answer:
amm18123 years ago
7 0

Answer:

2/9 and 10% those are the answers

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For what value of a does (1/7)^3a+3=343^a-1?
CaHeK987 [17]

Answer: ok, remember that when

x^a=x^b, when x=x, then a=b

also

x^-m=1/(x^m)

and

(x^m)^n=x^(mn)

so

we can rewrite 1/7 as 7^-1

so

and 343=7^3

7=7 so

-3a-3=3a-3

add 3a to both sides

-3=6a-3

add 3 to both sides

0=6a

0=a

a=0

Answer: 0

By: apologiabiology

5 0
4 years ago
A scale on a map shows that 2 inches = 25 miles.
marin [14]
<span>How many inches on the map represent 60 miles?

4.8 inches 

</span><span>How many miles are represented by 1/4 inch on the map?

</span><span>3.125</span> miles
3 0
3 years ago
Mary is making pillows for her Life Skills class. She bought 2 1/2 yards of fabric. Her total cost was $15. What was the cost pe
morpeh [17]
For 2 1/2 = (5/2) Yards, her cost was = 15
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In short, Your Answer would be $6

Hope this helps!

7 0
3 years ago
HELP!!!!
vichka [17]
Her distance is increasing fastest from minute 5 to 6 as the rate of change of the distance in that interval (40 mph increase) is greater than that if any other interval
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Instructions: write an equation in slope-intercept form of the line that passes through the given point and is parallel to the g
zhannawk [14.2K]

Answer:

(0,-5)

i believe that is one of the equivalent points u can find

8 0
3 years ago
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