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elixir [45]
3 years ago
14

PLEASE HELP IF YOU ARE NOT SURE DON'T Answer PLEASE SHOW WORK AND STEPS

Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0
X is less than 4.
Just simplify each side and solve for the variable. 
First add 9 to both sides.
24 is greater than 6x
Then divide 6
4 is less than 6
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(3x + 5y = 7<br> { 4x - y = 5
dalvyx [7]

Answer:

Step-by-step explanation:

Solution by substitution method

3x+5y=7

and 4x-y=5

Suppose,

3x+5y=7→(1)

and 4x-y=5→(2)

Taking equation (2), we have

4x-y=5

⇒y=4x-5→(3)

Putting y=4x-5 in equation (1), we get

3x+5y=7

⇒3x+5(4x-5)=7

⇒3x+20x-25=7

⇒23x-25=7

⇒23x=7+25

⇒23x=32

⇒x=32/23

→(4)

Now, Putting x=32/23

in equation (3), we get

y=4x-5

⇒y=4(32/23)-5

⇒y=(128-115)/23

⇒y=13/23

∴y=13/23   and x=32/23

5 0
2 years ago
john and emily meet at a circle park. emily runs around the entire park. john runs from one edge to the other, straight through
nlexa [21]
Okay so john ran the diameter on the park
emily ran the circumference
πd = the circumference
therefore emily ran further
4 0
2 years ago
Read 2 more answers
How many kilometres and metres are equal to 0.75 of 6km?​
Pachacha [2.7K]

Answer:

4.5 kilometers

Step-by-step explanation:

it is obtained by simply multiplying 0.75 with 6 km.the shortest and brief answer

3 0
2 years ago
There exists a linear function f(x) such that f(6) = 8, f(2)=20, and f(a) = 16. What is the value of 2a?
atroni [7]

Answer:

a = 10/3.

Step-by-step explanation:

We write the linear function as follows:

f(x) = mx + b   where m is the slope and b is the y-intercept.

f(6) = 6m + b = 8

f(2) = 2m + b = 20    Subtracting these 2 equations:

4m = -12

m = -3.

and  -3 * 2 + b = 20 so:

b =   20 + 6 = 26.

So we have the linear function:

f(x) = -3 x + 26

f(a) = 16 = -3 a + 26

-3 a = 16-26

a = -10 * -3 =  10/3.

3 0
3 years ago
the points plotted below are on the graph of a polynomial. How many roots of the polynomial lie between x=-4 and x=3​
Tems11 [23]

Answer:

1 zero:  Answer C

Step-by-step explanation:

Keep in mind that the polynomial value is zero at any root.  Therefore each point that is a root must lie precisely on the x-axis (where y = 0).  In the graph given there is only one such point  (Answer C)

3 0
3 years ago
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