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Olin [163]
3 years ago
13

I am giving a brainliest to the best answer

Mathematics
1 answer:
arsen [322]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Given

f(x) = \frac{x+3}{4}

let f(x) = y and rearrange making x the subject

y = \frac{x+3}{4} ( multiply both sides by 4 )

4y = x + 3 ( subtract 3 from both sides )

4y - 3 = x

Change y back into terms of x

f^{-1}(x) = 4x - 3 → A

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Line m has a slope of -3. Another line n is parallel to line m. What is the slope of line n?
Elis [28]

Answer:   slope of line n = -3

Reason: Parallel lines have equal slopes, but different y intercepts.

8 0
3 years ago
HELP ME PLEASE <br> solve the right triangle
Amiraneli [1.4K]

ST = 7.2

RT = 4.04

m∠S = 34°

Solution:

Given ΔRST is a right triangle.

RS = 6, ∠T = 56°

$\csc A=\frac{\text {Hypotenuse} }{\text {Opposite side}}

$\csc A=\frac{ST}{RS}

$\csc 56^\circ=\frac{ST}{6}

$\csc 56^\circ \times 6=ST

1.206 × 6 = ST

7.236 = ST

ST = 7.2

$\cot A=\frac{\text {Adjacent side} }{\text {Opposite side}}

$\cot A=\frac{RT}{RS}

$\cot 56^\circ=\frac{RT}{6}

$\cot 56^\circ \times 6=RT

0.674 × 6 = RT

4.044 = RT

RT = 4.04

To find the measure of angle S.

Sum of the interior angles of the triangle = 180°

m∠R + m∠S + m∠T = 180°

90° + m∠S + 56° = 180°

m∠S + 146° = 180°

m∠S = 180° – 146°

m∠S = 34°

8 0
2 years ago
from a board 4 feet 2 inches long, a board 3 feet 7 inches long is cut what is the lengh of the remaining board?
MrRissso [65]
Math:

Well, you know that 12 inches goes into 1 foot.

So, let's start with just making everything into inches.

4 feet * 12 = 48+2 = 50 inches.

3*12 = 36 inches + 7 = 43 inches.
50 - 43 = 7.

Your answer:
7 inches.
7 0
2 years ago
Please help im stuck on this question​
FrozenT [24]

Answer:

A

Step-by-step explanation:

Slope is the first y - the second y divided by the first x- the second x. Therefore we take -8-4= -12 and -7-0= -7. Using the formula, we get -12/-7. The negatives cancel out and we get 12/7 which is A.

3 0
2 years ago
To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm. Which ine
8090 [49]
The answer is A) <span>12 < x ≤ 12.2</span>
4 0
3 years ago
Read 2 more answers
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