Find the value of x. Enter your answer

Mathematics

2 answers:

dedylja [7]3 years ago

5 0

Step-by-step explanation:

x+30+90=180 sum of angle of triangle

x=180-120

x=60

Natalka [10]3 years ago

5 0

Answer is
X=60 hope this helps

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a line with a slope of 1/10 passes through the point (0, 9). What is the equation in slope intercept form?

Nimfa-mama [501]

Answer:

y=1/10x+9

Step-by-step explanation:

i think, sorry if its wrong

8 0

3 years ago

HELP ASAP

Schach [20]

Answer:

Step-by-step explanation:

(a). $A_{1}$ = x ( 2x + 1 ) = 2x² + x

(b). $A_{2}$ = 2( 2x + 1 )( 5x + 3 ) = 20x² + 22x + 6

(c). $A_{3}$ = 20x² + 22x + 6 - ( 2x² + x ) =

( 20x² - 2x² ) + ( 22x - x ) + 6 =

18x² + 21x + 6

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2 years ago

Solve for x and y simultaneously Pls help me

pickupchik [31]

I don't think its possible to do this... you have to have 2 equations

8 0

3 years ago

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C(x)=0.4x^2-208x+37,365. what is the minimum cost of manufacturing dresses?

statuscvo [17]

2nd degree and in form ax^2+bx+c it is a prabola the minimum cost is the vertex (every parabola has only one, min or max) minimum cost is the vertex vertex=-b/(2a) a=0.4 b=-208 vertex=-(-208)/(2*0.4) vertex=208/0.8 vertex=260 (means 260 dresses) that is x value subsitute for y value C(x)=0.4(260)^2-208(260)+37365 C(x)=10325 minimum cost is $10,325

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4 years ago

I know that the balloon weighs about 210 kg. The balloon itself weighs 7/9 out of this. The rest of the weight is composed of sa

Yuliya22 [10]

Answer:

Gas Tanks weighs 20/3kg i.e. 6.67kg while Sacks weighs 40kg

Step-by-step explanation:

Total weight = 210kg

$Balloon Weight = \frac{7}{9} *210\\Balloon Weight = \frac{490}{3}kg$