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Vika [28.1K]
3 years ago
9

What is the missing step in this proof?

Mathematics
1 answer:
Vesnalui [34]3 years ago
8 0
PLS, WHAT PROOF IS THAT!!!
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What is 1.209 • 10^7 in standard form
dolphi86 [110]
Since the exponents is positive, move the decimal 7 places to the right, thus giving you 12090000
8 0
3 years ago
Meredith's recipe for 2 1/2 dozen cupcakes calls for 3 cups of flour. She only has 1 cup of flour and needs to feed 12 people. C
oee [108]
I am pretty sure the awnser is yes because 2.5 divided by 3 equals .83 repeating which mean for one dozen of cupcakes(12) it would take .84 cups of flour.
7 0
3 years ago
What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}?
Sophie [7]
Hi there! The answer is B.

5r \leqslant 6r - 8
Subtract 6r from both sides.

- r \leqslant  - 8
Divide both sides of the inequality by -1. Remember that dividing by a negative makes the sign flip.

r \geqslant 8
Therefore, the solution must be bigger than or equal to 8. From the given solution set, the answer is B. {8, 9, 10}

~ Hope this helps you!

3 0
3 years ago
Larkin buys a skateboard from an online store. • The skateboard originally cost $88. • It is on sale for 30% off the original pr
Anna [14]

Answer:

hope this an helps

Step-by-step explanation:

3 0
3 years ago
The area of a rectangle is 63m squared,and the length of the rectangle is 5 m more than twice the width.Find the dimensions of t
Natalija [7]
Given:
Area(A)= 63m^2
Length (L)= 2W+5
Width (W)=?

A=LxW
63=(2W+5)(W)
63=2W^2 + 5W
0=2W^2+5W-63
0=(2W-9)(W+7)
2W-9=0 then W=4.5 and W+7=0 then W=-7
Can only use 4.5 since it is positive and distance is positive.
W= 4.5 m
L=2W+5=2 (4.5)+5=9+5=14m

7 0
4 years ago
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