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Phantasy [73]
3 years ago
9

PLEASE HELP ASAP!!! 7th GRADE MATH​

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0
I think the answer is 27.43
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Find an equation of variation in which y varies jointly as x and z and inversely as the product of w and​ p, where yequalsstartf
leva [86]

To solve this problem you must apply the proccedure shown below:

1. You have that y varies jointly as x and z and inversely as the product of w and​ p. Therefore, you can write the following equation, where k is the constant of proportionality:

y=k(\frac{xz}{wp} )

2. Now, you must solve for the constant of proportionality, as following:

k=\frac{ywp}{xz}

3. Susbtiute values:

y=\frac{7}{28} \\ x=7\\ z=4\\ w=7\\ p=8

k=\frac{(\frac{7}{28})(7)(8))}{(7)(4)}  =0.5

4. Substitute the value of the constant of proportionality into the equation:

y=0.5(\frac{xz}{wp})

The answer is: y=0.5(\frac{xz}{wp})

7 0
3 years ago
A fish swims at a speed of 12 miles per hour. A boy swims at a speed of 4.4 feet per second. 3 ft = 1 yd 5280 ft = 1 mi How much
just olya [345]
You'll need to convert both speeds into yards per minute.

12 mph = 12 mph     1760 yd    60 min
                ---------- * ------------ * ----------
                  1 mile       1 hr

Note that "miles" cancels.  So does "hours."  Finish this work.

Then convert   4.4 ft/sec into yards per minute.

Then, finally, compare your two rates via subtraction of the smaller from the larger.
4 0
3 years ago
Read 2 more answers
How do I write to tell how you would add 342 and 416
MAVERICK [17]
We can re-group them to add more easily. 

300 + 400 = 700
42 + 16 = 58

700+58 = 758

Answer: 758
7 0
3 years ago
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Find the measure of d.
ad-work [718]

Answer:

d = 123

Step-by-step explanation:

The given figure above is an inscribed quadrilateral with all four vertices lying on the given circle, thereby forming chords each.

Therefore, the opposite angles of the above quadrilateral are supplementary.

This means:

c + 31 = 180 , and

d + 57 = 180

Find the measure of d:

d + 57 = 180

Subtract 57 from both sides.

d + 57 - 57 = 180 - 57

d = 123

3 0
2 years ago
Help me solve this. Please, it's math.(I suck at math ngl ︺︹︺ )
fredd [130]

Answer:

<u><em>Vertical angles are</em></u><u><em> congruent</em></u><u><em>, so the</em></u>

<u><em>equation </em></u><u><em>3x-6 = 114</em></u><u><em> can be used to find x.</em></u>

<u><em>The value of x is </em></u><u><em>40</em></u><u><em>.</em></u>

<u><em /></u>

<u><em>Convince Me!</em></u>

<u><em>Why can you use an equation when solving for x in</em></u>

<u><em>the diagram?</em></u>

<u><em>You can use the eqution because they are equal to each other. When they are equal to each other, you can find x by using the equation to simplify and get x alone.</em></u>

6 0
2 years ago
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