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Aleksandr-060686 [28]
3 years ago
13

I need help on c and d

Mathematics
2 answers:
koban [17]3 years ago
7 0

Answer:

c) 4³ × 5²

d) 7² × 9^{4}

Step-by-step explanation:

c) There are 3 times of 4 so it is 4³, and 2 times of 5 so it is 5².

d) There is two times of 7 so it is 7², and 4 times of 9 so it is  9^{4}.

Maslowich3 years ago
3 0

Answer:

c) 4^{3} x 5^{2}

d) 9^{4} x 7^{2}

Step-by-step explanation:

Index notation is saying how many times would you multiply that same number in order to get a certain product (an exponent, or index). For example, 7 x 7 = 49. Since there are two 7's, index notation would be 7^2, because that is the same thing as 7 x 7.

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How many solutions does the following equation have?
VikaD [51]

Answer:

y=147/17

Step-by-step explanation:

-17(y-2)=-177+64

-17y+34=-113

-17y=-113-34

-17y=-147

17y=147

y=147/17

6 0
3 years ago
Find the value of x.
Travka [436]
In order to solve you must find the value of the blank angle. 
Here is your first equation.
126 + x = 180
Subtract 126 from both sides.
x = 54
So now add up all the angles.
x + (2x + 6) + 54 = 180
Combine like terms.
3x + 60 = 180
Subtract 60 from both sides.
3x = 120
Divide.
x = 40
Now check your answer.
40 + 2(40) + 6 + 54 = 180
40 + 80 + 6 + 54 = 180
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180 = 180 
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I hope this helps love! :)
3 0
3 years ago
3. An airplane flies 105 miles in ½ hour. How far can it fly in 1 ¼ hours at the same rate of speed?
raketka [301]
262.5 miles
explanation 1/4 is half of 1/2 so 52.5 is half of 105 and then 210 for an hour of travel
5 0
4 years ago
Read 2 more answers
Can someone help me pls?
masya89 [10]
A = 2 × 3 × 6 = 36 cm2
6 0
3 years ago
10. A map uses the scale of Zof an inch to represent 3
galben [10]

Answer:

  • 6.25 in

Step-by-step explanation:

<em>Note. It should read 3/4 of an inch.</em>

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  • x in  = 25 miles

<u>Cross multiply and solve for x:</u>

  • x = 25/3*3/4
  • x = 6.25 in
7 0
3 years ago
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