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Len [333]
3 years ago
6

Find the value of x.

Mathematics
1 answer:
Stels [109]3 years ago
7 0

Answer:

x=136

Step-by-step explanation:

The sum of the angles inside a quadrilateral add to 360, so

79+55+110+x=360

Combine like terms

224+x=360

Subtract 224 from both sides

x=136

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Which of the graphs below correctly solves for x in the equation −x2 − 3x − 1 = −x − 4?
Tanzania [10]
We have 
−x²<span> − 3x − 1 = −x − 4

let 
f(x)=</span>−x² − 3x − 1
g(x)= −x − 4
the solution for
f(x)=g(x) is the intersection both graphs

using a graph tool
see the attached figure

the solution are the points
(-3,-1)
and
(1,-5)

8 0
3 years ago
Read 2 more answers
PLZZZ HELP DUE IN 5 MINS
iris [78.8K]

Answer:

{(2, 9), (5, 9), (1, -6), (-5, 5), (2,9), (5,9), (1,−6), (−5,5)}

Step-by-step explanation:

recall that for a function to be valid, every input must give one and only 1 output. (i.e every x-ordinate must have only one unique corresponding y-ordinate)

I have highlighted in bold and underlined the entries for each of the other choices where an x-value gives more than one possible y-value, hence these are not functions. only the first option satisfies this condition:

{(2, 9), (5, 9), (1, -6), (-5, 5), (2,9), (5,9), (1,−6), (−5,5)} Every x-value has a unique y-value, so it is possible that this is a function.

{<em><u>(6, 6)</u></em>, <em><u>(6, 8)</u></em>, (-8, -7), (-3, -8), (6,6),(6,8),(−8,−7),(−3,−8)}  (not a function)

{(1, 8), (9, -3), <u><em>(7, -4)</em></u>, <u><em>(7, -6)</em></u>, (1,8),(9,−3),(7,−4),(7,−6)} (not a function)

{<u><em>(-5, -1)</em></u>, (-3, -7), <u><em>(-5, 3)</em></u>, (-7, -4), (−5,−1),(−3,−7),(−5,3),(−7,−4)} (not a function)

4 0
3 years ago
What’s an inverse operation?
yulyashka [42]
The opposite of a equation. Such as addition will be subtraction
4 0
3 years ago
I WILL MAKE YOU THE BRAINLIEST EASY QUESTION
Marizza181 [45]

Answer:

B.) 3.65, 3 2/3, 3.7

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Set up an equation that can be used to solve the problem. Solve the equation and determine the desired value.
Nataly [62]

Answer:  $454.55

Step-by-step explanation:

Tito's weekly salary is always $ 500 per week.

But your weekly commission income depends on the sales you make. Your commissions are 55%.

If we call x the dollar amount of all sales made by Tito in a week, then his income z(x) is given by the following equation:

z (x) = 0.55x + 500

We wish that z (x) = 750.

Then we equate the equation to 750 and solve for the variable x.

0.55x + 500 = 750\\\\0.55x + 500-500 = 750-500\\\\0.55x = 250

\frac{0.55}{0.55}x = \frac{250}{0.55}

x = \$\ 454.55

Total sales made by Tito must be $454.55

7 0
3 years ago
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