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MaRussiya [10]
2 years ago
5

i need something for my assiemt How is an inequality different from an equation? Give a real-world scenario in which you would w

rite an inequality rather than an equation plz help me
Mathematics
1 answer:
Elan Coil [88]2 years ago
7 0
<span> An </span>equation<span> is a mathematical statement that shows the equal value of two expressions while an </span>inequality is a mathematical statement that shows that an expression is lesser than or more than the other. "<span>An 18-wheel truck stops at a weigh station before passing over a bridge. The weight limit on the bridge is 65,000 pounds. The cab (front) of the truck weighs 20,000 pounds, and the trailer (back) of the truck weighs 12,000 pounds when empty. In pounds, how much cargo can the truck carry and still be allowed to cross the bridge?" does this help?</span>
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xand y are light house. y being 20km due east of x and from a ship due south of x the bearing of y was 055°. what is the distanc
leonid [27]

Answer:

I) |xz| ≈ 28.6 km

II) |yz| ≈ 34.8 km

Step-by-step explanation:

Let's assume that the position of ship due south of x is z (aà pictor representation of the question is attached)

|xy| = 20 km, |xz| = ?, |yz| = ?, θ(y) = 55°

Using Trigonometric ratio - SOHCAHTOA

I) Tan θ = |xz| ÷ |xy| ⇒ Tan 55° = |xz| ÷ 20

|xz| = 20 * Tan 55 = 20 * 1.428

|xz| = 28.56 km

|xz| ≈ <u>28.6 km</u>

<u />

II) Cos θ = |xy| ÷ |yz| ⇒ Cos 55° = 20 ÷ |yz|

|yz| * Cos 55° = 20 ⇒ |yz| = 20 ÷ Cos 55°

|yz| = 20 ÷ 0.574 = 34.84 km

|yz| ≈ <u>34.8 km</u>

4 0
3 years ago
How do you solve 58 and 1/3÷6 and 2/3
strojnjashka [21]

Answer:

35/4, or 8 3/4 as a mixed number

Step-by-step explanation:

First, change 58 1/3 into an improper fraction by multiplying the whole number and denominator, then adding the numerator. 58 x 3 equals 174, + 1 equals 175. So, 58 1/3 as an improper fraction is 175/3. Next, change 6 2/3 into an improper fraction. 6 times 3 equals 18, plus 2 equals 20. So, it's 20/3. So, here are your two fractions:

175/3 & 20/3

To divide fractions, I like to use a method called Keep Change Flip. Basically, you keep the first fractions the same, then change the sign. The division sign changes into a multiplication symbol. Now, your equation should look like this: 175/3 x 20/3. Next, flip the fraction from 20/3 into 3/20. This is what your equation should look like now: 175/3 x 3/20. Now you can multiply the fractions together. Before you do so, you can cross reduce to make it easier. What is a number that both 3 and 3 can be divided by? The correct answer is 3. 3/3= 1, so the equation is now 175/1 x 1/20. However, you can continue to cross reduce. You can also divide 175 and 20 by 5, so the equation changes into this: 35/1 x 1/20. Multiply numerator by numerator, denominator by denominator. So, the answer is 35/4, or 8 3/4 as a mixed number. Hope this helped!

5 0
3 years ago
If the range of the function f(x) = x/4 is {28, 30, 32, 34, 36}, what is its domain?
Rama09 [41]
Hello,

Your brainliest answer would be:

A.) {112, 120, 128, 136, 144}

Plz mark me brainliest!

Hope this helps!
6 0
3 years ago
Read 2 more answers
K lol ahhahahahahaahha
MatroZZZ [7]

Answer:

LOL hahahahahahahaha

Step-by-step explanation:

4 0
2 years ago
Solve for the indicated variable.<br> 8x + 4y = 12; y<br>​
Ket [755]

Answer:

y=-2x+3

Step-by-step explanation:

Given: 8x+4y=12

To solve for y, let us first isolate y on one side of the equation. We can do this by subtracting 8x from the left and move it to the right. We then get:

4y=12-8x

Now, we have y isolated. We now have to remove the 4 from the y. The only way to do this is divide both sides by 4. We then get our final answer:

y=3-2x

We can clean this up by putting it in a common form, slope-intercept form:

y=-2x+3

4 0
3 years ago
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