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3 years ago

Click on the number line below to show the approximate location of 19 on the number line.

Mathematics

1 answer:

Alexxx [7]3 years ago

5 0

9514 1404 393

Answer:

see below

Step-by-step explanation:

Your calculator tells you that √19 ≈ 4.36. The marks divide each integer interval into 3 parts, so the mark just above 4 corresponds to 4 1/3, or about 4.333. Your mark should be slightly to the right of the 4 1/3 mark on the number line.

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10–4 is equivalent to

Scrat [10]

10-4 is equivelnt to 4-10

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3 years ago

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Ariyonne claims (3,6) that is the point of intersection of the lines y=4x-2 and y=1/2x+5 Is she correct? How do you know?

yan [13]

Answer:

The point of intersection of the lines is $(2,6)$ .

Thus, Ariyonne's claim is incorrect.

Step-by-step explanation:

Given equations:

1) $y=4x-2$

2) $y=\frac{1}{2}x+5$

To find the point of intersection, we need to solve the given system of equations.

In order to solve the system we will use substitution method.

We will substitute value of $y$ from first equation in the second equation and solve for $x$

So, we have

$4x-2=\frac{1}{2}x+5$

Multiplying both sides by 2 to remove fraction.

$2\times(4x-2)=2\times(\frac{1}{2}x+5)$

Using distribution.

$8x-4=x+10$

Subtracting both sides by $x$

$8x-4-x=x+10-x$

$7x-4=10$

Adding 4 to both sides.

$7x-4+4=10+4$

$7x=14$

Dividing both sides by 7.

$\frac{7x}{7}=\frac{14}{7}$

$x=2$

We can find value of $y$ by plugging in $x=2$ in the first equation.

$y=4(2)-2$

$y=8-2$

$y=6$

So, the point of intersection of the lines is $(2,6)$ .

Thus, Ariyonne's claim is incorrect.

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3 years ago

Quadrilaterals that are neither a trapezoid nor a rectangle?

miss Akunina [59]

Square, rhombus, kite

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3 years ago

you have a bag of 10 marbles. three of them are red ,five are blue, and two are green.what is the probability of not picking a g

Verizon [17]

Answer:

Not probabillity of picking a green marble is 80%

Step-by-step explanation:

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3 years ago

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Solve for x if 2(5x + 2)2 = 48

kicyunya [14]

x = 2

step 1 :

(2 • (5x + 2) • 2) - 48 = 0

step 2 :

4 • (5x + 2) - 48 = 0

Pulling out like terms :

20x - 40 = 20 • (x - 2)

step 4 :

20 • (x - 2) = 0

Equations which are never true :

Solve : 20 = 0

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

Solve : x-2 = 0

Add 2 to both sides of the equation :

x = 2

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