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3 years ago

Which equation represents this statement? The product of 12 and 5 less than the number x is 45

Mathematics

2 answers:

kozerog [31]3 years ago

4 0

Answer:

12(x - 5) = 45

Step-by-step explanation:

deff fn [24]3 years ago

3 0

12(x-5)=45 This is the answer I hope so

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Find the value of x in 19 and 20 so that f(x)=7

mafiozo [28]

Answer:

Part 19) x=5

Part 20) x=-3

Step-by-step explanation:

Problem 19) Find the value of x so that f(x)=7

step 1

Find the intersection point of the given line in the graph with the line y=7

The intersection point is (5,7)

see the attached figure

therefore

The x-coordinate of the intersection point is the value of x when f(x)=7

x=5

f(5)=7

Problem 20) Find the value of x so that f(x)=7

step 1

Find the intersection point of the given line in the graph with the line y=7

The intersection point is (-3,7)

see the attached figure

therefore

The x-coordinate of the intersection point is the value of x when f(x)=7

x=-3

f(-3)=7

8 0

3 years ago

Which of the following points is the y-intercept of the equation y=7x+13

qaws [65]

6 idk it’s making me answer

8 0

3 years ago

Prove the polynomial identity.

Kaylis [27]

Answer:

Proven

Step-by-step explanation:

We prove the polynomial with factorization. We must first simplify the expression before we can factorize:

$(4\cdot{x^2}-2)\cdot{(4\cdot{x^2}-2)}-16\cdot{x^4}$

$16\cdot{x^4}-8\cdot{x^2}-8\cdot{x^2}+4-16\cdot{x^4}$

$4-16\cdot{x^2}$

4 is the common number and we can take it out of the expression:

$4\cdot{(1-4\cdot{x^2})}$

We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven:

$4\cdot{(1-2\cdot{x})}\cdot{(1+2\cdot{x})}$

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3 years ago

Anybody know the answer?

Ilya [14]

Answer:

Step-by-step explanation:

The eqn. of a circle with centre (h,k)and radius ris given by,

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3 years ago

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Andru [333]

a polygon with seven sides is called a heptagon

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3 years ago

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