7. What is the error?
3x + 5 - 2x = 10
+2x +2x = 10
5x + 5 = 10
-5
-5
...
Mathematics, 03.03.2021 19:40 soulspiritsa
7. What is the error?
3x + 5 - 2x = 10
+2x +2x = 10
5x + 5 = 10
-5
-5
5x
= 5
5
5
x = 1
A. Adding 2x to 3x
B. Subtracting 5 from both sides
C. Adding 2x to -2x
D. Dividing by 5 on both sides
Answers: 1
Mathematics, 20.06.2019 18:02
Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?
Answers: 1
Mathematics, 21.06.2019 15:00
Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.
Answers: 2
Mathematics, 21.06.2019 16:20
Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.
Answers: 3
Mathematics, 21.06.2019 21:10
Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9
Answers: 1
Mathematics, 31.03.2021 05:20
Mathematics, 31.03.2021 05:20
History, 31.03.2021 05:20
Arts, 31.03.2021 05:20
Biology, 31.03.2021 05:20
Mathematics, 31.03.2021 05:20
Mathematics, 31.03.2021 05:20
English, 31.03.2021 05:20
Biology, 31.03.2021 05:20