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IRISSAK [1]
1 year ago
7

7+4x= -5 helppppppppppppp

Mathematics
2 answers:
bekas [8.4K]1 year ago
8 0

Answer:

-3

Step-by-step explanation:

because if you subtract 7 from both side you get 4x=-12 then divide both sides by 4 and you get x=-3

Zepler [3.9K]1 year ago
7 0
X=-3

7+4x=-5
-7 -7
4x=-12
/4. 4/
X=-3
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nadezda [96]

Answer:

a. (3,-2)

b. (-5,-3)

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3 years ago
Find the value of x to the nearest tenth
Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

Assuming the dotted line at the top is parallel to the segment with length x, it follows from the alternate interior angles theorem that the interior angle of the triangle (marked in diagram) is also 27º.

Using SOH-CAH-TOA, we get that tan(27º) = 21/x, so x = 21/tan(27º), which is approximately equal to 41.2.

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Simplify (6x2 + 11x − 3) + (2x2 − 17x − 4).
d1i1m1o1n [39]

Answer:

B. 8x^2-6x-7

Step-by-step explanation:

All you have to do is combine the like terms.

Like terms are the terms that have the same variable and same exponent.

The like terms in this equation are 6x^2 and 2x^2, 11x and -17x, and -3 and -4.

When you add 6x^2 and 2x^2, you get 8x^2

When you add 11x and -17x, you get -6x

When you add -3 and -4, you get -7.

Putting these all in order, your answer is

8x^2 - 6x - 7

8 0
3 years ago
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3 years ago
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Fantom [35]

Answer:

x = 51

Step-by-step explanation:

Here, we want to find the value of x

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We have the side facing the right angle ( hypotenuse) and the side facing the angle given (opposite)

The trigonometric identity that links both is the sine and it is the ratio of the opposite to the hypotenuse

Thus, we have it that;

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x = arisine (7/9)

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4 0
2 years ago
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