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4 years ago

Which number line correctly shows 4.5 - 2.5?

Mathematics

2 answers:

icang [17]4 years ago

7 0

Answer:

Step-by-step explanation:

il63 [147K]4 years ago

5 0

Answer:

number one

Step-by-step explanation:

if if 4.5 - 2.5 the answer is 2 that means the answer is number one

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Quadrilateral OPQR is inscribed inside a circle as shown below. What is the measure of angle R? You must show all work and calcu

Radda [10]

You can inscribe a quadrilateral inside a circle if and only if its opposite angles are supplementar. In your case, this means that

$\hat{O} + \hat{Q} = \hat{R} + \hat{P} = 180^\circ$

Since we're interested in the angle R, let's use the second part of the equalities above to substitute the given values for R and P:

$\hat{R} + \hat{P} = 3y+8+y = 180^\circ$

The left hand side can be simplified to $4y+8$ , so if we subtract 8 from both sides the equation becomes

$4y = 172 \implies y = \cfrac{172}{4} = 43$

Since $y = 3$ , we can compute the angle R by plugging this value into its formula:

$R = 3y+8 = 3\cdot 43 + 8 = 129+8 = 137$

3 0

3 years ago

H(n) = n + 2 g(n) = 2n + 1 Find h(n) − g(n)

Paha777 [63]

to do your math use your fingers

6 0

3 years ago

Factor completely x3 + 8x2 − 3x − 24. (x − 8)(x2 − 3) (x + 8)(x2 + 3) (x − 8)(x2 + 3) (x + 8)(x2 − 3)

Lina20 [59]

Answer:

(x + 8) (x² - 3)

Step-by-step explanation:

Given:

x³ + 8x² - 3x - 24

Find:

Factors

Computation:

x³ + 8x² - 3x - 24

x²(x + 8) -3(x + 8)

(x + 8) (x² - 3)

Factor of the given equation is (x + 8) (x² - 3)

4 0

3 years ago

Can you help plz and explain

Harrizon [31]

Answer:

is x = 2

Step-by-step explanation:

given in the image hopefully it helps if you need any more explanation let me know :)

6 0

3 years ago

Use the chart to multiply the binomial by the trinomial.

melomori [17]

Answer:

Option (1) is correct.

The product of $(y+3)(y^2-3y+9)$ is $y^3+27$

Step-by-step explanation:

Given, $(y+3)(y^2-3y+9)$

We have to find the product of above,

We have to multiply each term as ,

$(y+3)(y^2-3y+9)$ can be written as,

$\Rightarrow y(y^2-3y+9)+3(y^2-3y+9)$

When we multiply each term we get,

$\Rightarrow (y^3-3y^2+9y)+(3y^2-9y+27)$

These terms are same as we have filled in table below.

On adding like terms we get,

$\Rightarrow y^3-3y^2+9y+3y^2-9y+27$

$\Rightarrow y^3+27$

Thus, the product of $(y-3)(y^2-3y+9)$ is $y^3+27$

5 0

4 years ago