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sergeinik [125]
4 years ago
10

Consider these scenarios. 1. A piano weighs 5.5 × 102 units.   2. A grain of salt weighs 1.02 × 10-3 units.   3. A tractor trail

er weighs 8.8 × 101 units. Determine the unit of measurement that best represents each scenario. 1.   2.   3.
Mathematics
2 answers:
puteri [66]4 years ago
7 0

Answer:

pounds ounces and tons

Step-by-step explanation: Trust Me I have done the math

zhannawk [14.2K]4 years ago
5 0

Answer:

1) pounds

2) grams

3) tons

Step-by-step explanation:

The suitable measurements for the scenarios are:

1) A piano weighs 5.5 × 10² units

  550 Ib (pounds)

2) A grain of salt weighs 1.02 × 10^-3  units

    0.00102 grams

3) A tractor trailer weighs 8.8 × 10^1 units

    88 ton

   

10²g = 1kg

10^-3g = miligrams

10^1 g = decagram

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Linear Inequality
Oksanka [162]

Answer:

Step-by-step explanation:

Temporarily substitute the = symbol in this given inequality:   3x - 4y = 8.

Now pick 2 or 3 y values and find the corresponding x value for each:

If y = 2, 3x - 4(2) = 8, so that 3x = 16 and x = 16/3.  Thus, one point on the graph is (16/3, 2).

If y = 0, 3x - 4(0) = 8, and so 3x = 8, or x = 8/3.  Another point on the graph is (8/3, 0).

Now plot these two points (8/3, 0) and (16/3, 2), and draw a solid line through them (because " ≥ " includes an " = " sign).

Finally, invent a 3rd point that is NOT on this solid line.  Substitute the x- and y- coordinates into the original inquality 3x - 4y ≥ 8.  Two possible outcomes are:  a) The inequality is true.  All solutions are on this side of the solid line you drew.  Shade that side of the line.  b) The inequality is false.  Do NOT shade that side of the line.

Note:  an easier way of graphing the solid line is described as follows:

Let x = 0 and find y:  3(0) - 4y = 8, so that y = -2 and a point on the line is (0, -2).

Then let y = 0 and find x:  3x = 8, or x = 8/3 and this corresponds to the point (8/3, 0) on the line.

8 0
3 years ago
Read 2 more answers
jalen jogged 10 miles due north, then turned due west and jogged 5 more miles. How msny miles is jalen from his starting point?
Juliette [100K]

Answer:

Jalen is <u>11.18 miles</u> from his starting point.

Step-by-step explanation:

Given:

Jalen jogged 10 miles due north, then turned due west and jogged 5 more miles.

Now, to find miles Jalen jogged from his starting point.

So, below is the figure attached to describe the scene.

Now, to get the distance of Jalen jogged from his starting point we use pythagoras theorem:

AB^2+BC^2=AC^2\\\\10^2+5^2=AC^2\\\\100+25=AC^2\\\\125=AC^2

<em>Using square root on both sides we get:</em>

11.18=AC\\\\AC=11.18\ miles.

Therefore, Jalen is 11.18 miles from his starting point.

7 0
3 years ago
The ratio of shirts to jeans is 3:2. There are 30 pairs of jeans. How many shirts are there?
KIM [24]

Answer:

Hello There!!

Step-by-step explanation:

The ratio for jeans in 2 so 30÷2=15 so each ratio is 15.Therefore,15×3=45.(ratio of shirts is 5).

There are 45 shirts.

hope this helps,have a great day!!

~Pinky~

4 0
3 years ago
6(4z+2)=3(8z+4) ghjycycyc
ivann1987 [24]
I hope this helps you

5 0
3 years ago
Can someone help me please ?!!
horsena [70]

Answer:

See explanation

Step-by-step explanation:

1) Given

2) Given

3) Opposite angles are congruent

4) SAS

5) If two triangles are congruent, all their corresponding sides are equal.

7 0
3 years ago
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