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KATRIN_1 [288]
3 years ago
11

Simplify 57 - 6 2 ÷ (2 + 1) · 4.

Mathematics
1 answer:
Volgvan3 years ago
8 0

Answer:

-77/3 OR -25.6^- OR-25 2/3

Step-by-step explanation:

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When new, a standard tire has 10/32 inches of tread. When only 2/32 inches of tread remains, the tire needs to be replaced. If t
san4es73 [151]

Answer:

\frac{1}{160} \ inches

Step-by-step explanation:

The computation of the thickness of tire rubber for every lost 1,000 driven is shown below:

Data provided in the question

Inches of tread = \frac{10}{23}

In case of replaced = \frac{2}{3}

Based on the above information

Now in 40,000 miles, the ratio is

= \frac{10 - 2}{32} \\\\ = \frac{1}{4}

And for every 1,000 miles driven,  the thickness is

= \frac{1}{4 \times 40,000} \times 1,000 \\\\ = \frac{1}{160} \ inches

hence, the thickness of tire rubber is \frac{1}{160} \ inches

7 0
3 years ago
5h-2(11-h)=h-4 <br> what’s the value of h
Lana71 [14]

Answer:

The correct answer is h = 3.

Step-by-step explanation:

To solve this problem, we should first use the distributive property on the left side of the equation.  This means that we can multiply each of the terms inside the parentheses by -2 (be careful that you distribute the negative as well).  This is modeled below:

5h - 2(11 - h) = h - 4

5h - 22 + 2h = h - 4

Next, we can combine like terms on the left side of the equation.

7h - 22 = h - 4

Now, we can subtract h from both sides of the equation to move all of the variable terms to the left side of the equation.

6h - 22 = - 4

Next, we can add 22 to both sides of the equation to isolate the variable term on the left side of the equation.

6h = 18

Finally, we can divide both sides by 6 in order to get the variable completely isolated.

h = 3

Therefore, the correct answer is h = 3.

Hope this helps!

6 0
3 years ago
Which structure has changed position in whales over a long period of time.
UNO [17]

Answer:

I THINK ITS B. THE DORSAL FIN

Step-by-step explanation:

Because all fish and different Marine animals

have it in different spots of he/she's body

Hope I helped SORRY if you get it wrong

7 0
3 years ago
Read 2 more answers
A circle of radius of 4 inches has an arc length of 5.8 inches. Find the measure of the central angle.
kondor19780726 [428]
<h3>SOLUTION : </h3>

The radius of the circle is 4 inch and has an arc length of 5.8 inches . We know that if the central angle is 360° then the arc length is 2\pi r . Similarly when angle is theta ,

\implies Arc = radius \times \theta

Now substitute respective values , from the given data ,

\implies 5.8 inch = 4inch * \theta \\\\\implies 0.14 m = 0.1 * \theta \\\\\implies \boxed{\red{\theta \approx 1.4 \ rad }}

This is our required answer!

4 0
3 years ago
At a school carnival you pick a ball from two different containers. Each container has red balls and green balls. How many possi
pantera1 [17]

Answer:

4

Step-by-step explanation:

2^2

8 0
3 years ago
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