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nordsb [41]
3 years ago
9

Please help me please!!

Mathematics
2 answers:
Anarel [89]3 years ago
8 0

Answer:

False

Step-by-step explanation:

2x - y = 0

-2x + 2y = 9

Add the equations.

y = 9

(3, 6) is not a solution because in the solution, y = 9.

Answer: False

algol133 years ago
6 0

Answer:

the answer to question 3 is false, and the answer to question 4 is c. (2, 9)

Step-by-step explanation:

they deleted my answer again, anyways i hope this helps! :D

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Find the gradient of the line segment between the points N(-1,2) and M(-6,3)​
siniylev [52]

Answer:

1/5

Step-by-step explanation:

Gradient is another word for slope. To find the gradient, we have to use a formula.

8 0
3 years ago
How much fencing will John need? Use 22/7 for x.
Serjik [45]

Well 22/7 is 3.14 and so on but since there is a little more than 3 you need to make sure he covers up all the fencing places... SO John will need 4 fences

4 0
3 years ago
What is the value of 4 x minus 7 when x = 4?
Stolb23 [73]

Answer: 9

Step-by-step explanation: Here, we have the expression <em>4x - 7</em> and we want to evaluate the expression when <em>x</em> is equal to 4.

To evaluate an expression, we simply plug the value

of the variable into the expression and solve.

So here, since <em>x</em> is equal to 4, we have 4(4) - 7.

4(4) is equal to 16.

So we have 16 - 7 which is equal to 9.

So the value of our expression when <em>x</em> is equal to 4 is 9.

6 0
3 years ago
Read 2 more answers
In (4x - 1) = In (x - 6)
gladu [14]

Answer:

SORRY PEOPLE SHOULD NOT HELP BECAUSE WHAT IF A KID DOING a school test comes on this website and cheats and gets a answer.  - Teacher

Step-by-step explanation:

7 0
3 years ago
Write a polynomial function $f$ of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros.
olganol [36]

Answer:

f(x) = x^{3} + 4x^{2} -7x^{} -10^{}

Step-by-step explanation:

The zeros of the polynomial function are given us as -5,-1,2

If the zeros of a polynomial function are α,β,ω, the polynomial function can be obtained using the expression below:

f(x) = (x - α)(x - β)(x - ω)

where α = -5, β = -1, and ω = 2

f(x)=(x-(-5) )(x -(-1))(x - 2) = (x+5)(x+1)(x-2)\\\\f(x)=(x+5)(x^{2} -2x + x -2) = (x+5)(x^{2}  -x-2)\\\\f(x)=x(x^{2}  -x-2)+5(x^{2}  -x-2)\\\\f(x)= x^{3} - x^{2} -2x + 5x^{2} - 5x - 10\\\\f(x)= x^{3} + 4x^{2} -7x - 10

<em>NB: To arrive at the answer, expand the brackets and after expansion, collect like terms to obtain the final answer</em>

4 0
3 years ago
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