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Elodia [21]
4 years ago
11

Help I'm stuck !!!!!!!!!

Mathematics
2 answers:
NikAS [45]4 years ago
8 0
First you would have to plug in the numbers for X and Y
When you do that, your equation would look like this:
1/3(3)^3+5.2(2)
You would then solve the problem by using PEMA (parentheses, exponents, multiplication and/or division, addition and/or subtraction, from left to right)
Since there are no parentheses to solve for, you would start with the exponent, so it would look a little something like this:
3^3=27, since it's 3x3x3
The problem would then look like this:
1/3(27)+5.2(2)
You would then do 5.2 times 2, which is 10.4
1/3(27)+10
Then you would do 1/3 times 27, which is 3
Then you just add 3 and 10.4 together
3+10.4=13.4
So the value of the equation is 13.4
Veseljchak [2.6K]4 years ago
4 0
The answer is 19.4, i did the math on paper

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Jeremy is taking a photography class, but he doesn't own a camera. The class organizers will rent him a camera for $6 per day. J
Mazyrski [523]
Solving the given inequality for d, we get...

6d + 15 < 50
6d + 15-15 < 50-15 <<-- subtract 15 from both sides
6d < 35
6d/6 < 35/6 <<--- divide both sides by 6
d < 5.83

Which means that d can be any of the values in this set: {0, 1, 2, 3, 4, 5}

The smallest d can be is 0. In this scenario, Jeremy pays the $15 registration but doesn't rent the camera at all
The largest d can be is 5. In this scenario, Jeremy rents the camera for 5 days
Any larger value of d is not allowed as it would make the total cost go over $50
Notice how I'm rounding down regardless how close 5.83 is to 6

8 0
3 years ago
Read 2 more answers
PLEASEE HELPP....Simplify the expression using properties of exponents.​
Aleks04 [339]

Answer:

D

Step-by-step explanation:

Using the rule of exponents

\frac{a^{n} }{a^{m} } = \frac{1}{a^{(m-n)} }

Given

\frac{25a^{-5}b^{-8}  }{5a^{4}b }

= \frac{25}{5} × \frac{a^{-5} }{a^{4} } × \frac{b^{-8} }{b^{1} }

= 5 × \frac{1}{a^{(4-(-5))} } × \frac{1}{b^{(1-(-8))} }

= 5 × \frac{1}{a^{9} } × \frac{1}{b^{9} }

= \frac{5}{a^{9}b^{9}  } → D

5 0
3 years ago
Two brothers have a total age of 28 if one brother is older by 20 years how old is the second brother
svlad2 [7]

Answer:

8

Step-by-step explanation:

Total meaning addition, you would use the opposite operation to find the answer.  

28 - 20 = 8

And to check your work you would add;

20 + 8 = 28

which is the brothers total combined age.  

6 0
3 years ago
Read 2 more answers
write the equation of a line that passes through the points (5, -7) and is perpendicular to the line -2x + 6y = -4
VashaNatasha [74]

Answer:

y= -3x + 8

Step-by-step explanation:

Put -2x + 6y = -4 into slope-interceltp form

Take the negative reciprocal of the slope.

Use this reciprocal in point-slope form

and you have,

= y= -3x + 8

<em>(EDITED)</em> Steps:

2x+6y = -4

6y=2x - 4

y= 1/3x + 2/3

if two lines are perpendicular,

m1 * m2 + -1

1/3 * m2 = -1

m2 = -3

the line perpendicular to this line is

y = -3x + k ; k ∈ R

the line passes through the point (5,-7)

so,

-7 = -3. (5) +k

-7 = -15 + k

k = 8

∴the equation of a line that passes through the point (5,-7) and is perpendicular to the line -2x+6y=-4 is

y= -3x + 8

Hope this helps, have a nice day/night! :D

6 0
2 years ago
Oliver has d dimes and q quarters. He has at least $4 worth of coins altogether. Write
8_murik_8 [283]

Answer:

Step-by-step explanation:

d = dimes and q = quarters

0.10d + 0.25q > = 4 (thats greater then or equal to)

6 0
3 years ago
Read 2 more answers
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