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2 years ago

Can someone help me :(((((

Mathematics

1 answer:

Gwar [14]2 years ago

8 0

Answer:

graph-vertical line test (vert line only passes graphed line once)

Table-no x values repeat

Step-by-step explanation:

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Help find missing segment??

AleksandrR [38]

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Let x as the missing segment.

_________________________________

According to the Thales theorem :

$\frac{26}{x} = \frac{12}{36} \\$

$\frac{26}{x} = \frac{12}{12 \times 3} \\$

$\frac{26}{x} = \frac{1}{3} \\$

Inverse both sides

$\frac{x}{26} = \frac{3}{1} \\$

$\frac{x}{26} = 3 \\$

Multiply sides by 26

$26 \times \frac{x}{26} = 26 \times 3 \\$

$x = 26 \times 3$

$x = 78$

Thus the missing segment has a measure of 78 .

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7 0

2 years ago

2x-4y=-20 write it in y=ax+b form

True [87]

Answer:

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

Step-by-step explanation:

$2x - 4y = - 20 \\ \\ - 4y = - 2x - 20 \\ \\ y = \frac{ - 2}{ - 4}x - \frac{20}{ - 4} \\ \\ y = \frac{1}{2} x + 5$

8 0

2 years ago

The perimeter of a rectangle is 24 in. and its length l l is 3 times the width w w . what is the length and width \left(l,w\righ

patriot [66]

Since p=24 and to get p you do 3w+3w+w+w which equals 8w=24 and 24/8 is 3 so your answer is 3

8 0

3 years ago

Identify each function that has a remainder of -3 when divided x+6

Sergeu [11.5K]

Answer:

Step-by-step explanation:

According to remainder theorem, you can know the remainder of these polynomials if you plug in x = -6 into them.

So we will plug in -6 into x of all the polynomials ( A through D) and see which one equals -3.

For A:

$x^5 + 2x^2 - 30x + 30\\=(-6)^5 + 2(-6)^2 - 30(-6) + 30\\=-7494$

For B:

$x^4 + 4x^3 - 21x^2 - 53x + 12\\=(-6)^4 + 4(-6)^3 - 21(-6)^2 - 53(-6) + 12\\=6$

For C:

$x^3 - 10x^2 - 7\\=(-6)^3 - 10(-6)^2 - 7\\=-583$

For D:

$x^4 + 6x^3 - 10x - 63\\=(-6)^4 + 6(-6)^3 - 10(-6) - 63\\=-3$

The only function that has a remainder of -3 when divided by x + 6 is the fourth one, answer choice D.

5 0

2 years ago

An American tourist visits South Africa with $3000. The exchange rate when she arrives is

algol [13]

9514 1404 393

Answer:

$2505.80

Step-by-step explanation:

After the first exchange, the tourist has ...

$3000(12.90 R/$) = R38,700

After 7 days, she has ...

R38,700 -7(R900) = R32,400

After the second exchange, she has ...

R32,400 × ($1/R12.93) = $2505.80

She gets $2505.80 at the second exchange.

8 0

2 years ago