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jek_recluse [69]
3 years ago
12

Mackenzie has d dimes and a quarters. She has a minimum of $3 worth of coins altogether. Write this situation as an inequality.

Mathematics
2 answers:
uysha [10]3 years ago
4 0

Good evening

Vedmedyk [2.9K]3 years ago
3 0

Answer:

Step-by-step explanation:

d = dimes and a = quarters

0.10d + 0.25a > = 3 (thats greater then or equal) <===

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Please answer! this is an important exam that im taking right now.
Scorpion4ik [409]

Answer:

Required ordered pair is (0,0) for system of equation

Step-by-step explanation:

The given system of equation is

A). 9^{12x} = 9^{3y}

B). y^{4} - 9y^{2} x^{2} =16y

On simplifying the equation A

9^{12x} = 9^{3y}

Take log on both side,

(12x) (log9) = (3y) (log9)

4x=y

To find the solution of the system of the equation :

Replacing value of y=4x in equation B,

y^{4} - 9y^{2} x^{2} =16y

(4x)^{4} - 9(4x)^{2} x^{2} =16(4x)

256x^{4} - 144x^{2} x^{2} =64x

256x^{4} - 144x^{4}=64x

112x^{4}=64x

We get,

x=0 and x=0.829

Since, 0.829 is not integer number

Only solution of equations is x=0

For the value of y

Replace value x in y=4x=0

Thus, Required ordered pair is (0,0)

8 0
4 years ago
ILL GIVE YOU BRAINLIEST!!!<br><br> PLZ HELP IM SO DESPERATE UwU
Fantom [35]

Hello from MrBillDoesMath!

Answer:  radius = 20

Discussion:

The distance between two complex points z1 ( = x1 + i y1) and z2 ( = x2 + iy2) is

sqrt ( (x1-x2)^2 + (y1-y2)^2)


In our case z1 =  -10 - 1i and z2 =  6 + 11i. Per the above formula, the distance, or radius of the circle, is given by

sqrt (  (-10 - 6)^2 +  ( -1 - 11)^2 )  =

sqrt ( ( -16)^2 + (-12)^2) )  =

sqrt ( 256 + 144) =

sqrt(400) =

20


Thank you,

MrB


7 0
3 years ago
Read 2 more answers
In the figure, c // d. What are the measures of &lt;1 and &lt;2? Enter your answers in the boxes. Just write the numbers. (not t
SpyIntel [72]

Answer:  <1 = 105° and <2 = 75°

Step-by-step explanation:

The information we have is the 75 degree angle already provided. Using our knowledge on transverses we know a 180 degree angle is a straight line (we happen to have two of these (c and d)). Using the corresponding angle theorem we know angle 2 is equivalent to 75 degrees. Supplementary angles refer to angles that add up to 180 degrees. Angle 1 and 2 are supplementary so from there we solve.

180 - 75 = 105

<1 = 105 degrees

8 0
3 years ago
The table below shows the values for the function y=f(1/5x)
Serjik [45]
There needs to be a table in order to solve!!
4 0
4 years ago
Calculate Z<br>z = 81<br>z = 30<br>z = 15<br>z = 20​<br>choose the only correct answer
klemol [59]
Z = 15 ( Use Pitago’ Theorem)
3 0
3 years ago
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