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yarga [219]
3 years ago
5

(a) Solve. 3x – 4 = x + 5

Mathematics
1 answer:
exis [7]3 years ago
4 0

Answer:

x = 1/2 or 0.5

Step-by-step explanation:

3x - 4 = x +5      (1) subtract x

2x - 4 = 5        (2) subtract 5

2x + 1              (3) divide by 2

x = 1/2 or 0.5

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sweet-ann [11.9K]

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✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ 16 min : 28 min simplified to a fraction is \frac{4}{7}

16 and 28 can both be divided by 24:

16 ÷ 4 = 4

28 ÷ 4 = 7

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What is the product of (6x^2 + 8)(3x^2 – 5x + 7)?
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x = 14 /3

Step-by-step explanation:

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3 years ago
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On each of 3 days, Derrick rode 6.45 km to school, 150 meters to the library, and then 500 meters back home. how many kilometers
Svetradugi [14.3K]

Answer: 21.3 km

Step-by-step explanation:

Given: On each of 3 days the distance traveled by Derrick to school = 6.45 km

The distance rode by Derrick to library = 150 meters

Since, 1 m=\frac{1}{1000}\ km

Thus, the distance rode by Derrick to library = 150\times\frac{1}{1000}\ km=0.15\ km

The distance rode by Derrick to home = 500 meters.

Thus, the distance rode by Derrick to home = 500\times\frac{1}{1000}\ km=0.5\ km

Distance he rode in each day = 6.45+0.15+0.5=7.1\ km

Now, Distance he rode in 3 days = 3\times7.1=21.3\ km

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Step-by-step explanation:

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Marina86 [1]

Answer:

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47.50/6.75 which is about $7.04

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