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8090 [49]
4 years ago
10

Solve for X as a decimal

Mathematics
1 answer:
telo118 [61]4 years ago
6 0
MA/MN = MB/BP

MA = 46.2  -14
MA=32.2

so
MA/MN = MB/BP
32.2/46.2=x/72.6
46.2x = 72.6 * 32.2
46.2x = 2337.72
x = 2337.72  /  46.2
x = 50.6
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Solve the following system of equations using all three methods. Must show your work. 4x + y = 2 3x - 3y = 9
Triss [41]

Answer:

Step-by-step explanation:

you do part a

Equation 1: 4x+y=2

Equation 2: 3x-3y=9

b

Divide equation 2 by 3

x-y=3

add y to both sides

x=3+y

Sbustitute this into equation 1

4(3+y)=2

12+4y+y=2

5y= -10

y= -2

Plug this into equation 1

4x-2=2

x=1

Part c.

Equation 1: 4x+y=2

Equation 2: 3x-3y=9

divide equation 2 by 3

x-y=3

add the two equations

(x-y)+(4x+y)=2+3

5x=5

x=1

Plug this into equation 1

4(1)+y=2

4+y=2

y= -2

For part a just create a table and graph it

6 0
3 years ago
What is the answer to 3 3/5 + 5 4/6
Anvisha [2.4K]

Answer: 9 4/15

Step-by-step explanation:

5 0
3 years ago
The function that represents bruce’s elevation in feet over time in hours is an exponential function that starts at 1,505 feet.
wariber [46]

Answer:

<h3>The function for Bruce’s elevation is f(x)=1505(6)^x and because b=6 that is greater than 0, it is an exponential growth function.</h3>

Step-by-step explanation:

We have given initial Bruce’s elevation = 1,505 feet.

We know, the exponential function f(x)=a(b)^x, where a is the initial value, b is the growth factor and x is the exponent represents time in hours.

Each successive hour, his average elevation change for the hike becomes 6 times the previous hourly elevation change.

Therefore, initial value a=1505, growth factor b for exponential function f(x)=a(b)^x is 6.

Now we can plug a=1505 and b=6 in f(x)=a(b)^x , we get

f(x)=1505(6)^x

Also note, if b>0, it would be an exponential growth function.

<h3>Therefore, the function for Bruce’s elevation is f(x)=1505(6)^x and because b=6 that is greater than 0, it is an exponential growth function.</h3>
5 0
4 years ago
4x + y = 25<br> x - 3y = 16<br><br> x=__<br> y=__
Elan Coil [88]

Answer:

(7, -3)

Step-by-step explanation:

Hope this helps. Pls give brainliest.

3 0
3 years ago
What is the place value for 7 in 0.673
elena-14-01-66 [18.8K]
.07 or seven hundredths
8 0
3 years ago
Read 2 more answers
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