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Shtirlitz [24]
3 years ago
11

Describe when you would need to solve a system of linear equations, instead of a single linear equation. (Site 1)

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0
A single linear equation: you sell a budweiser for $3 a bottle and make $42. how many did you sell? a system: you sell budweiser for $3 and heineken for $4. the total number of beers you sell is 10 and you make a total of $40 how many of each did you sell?
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Mrs Johnson has $110 to spend on parking will cost $12 and admission tickets will cost $140 per person including tax
Vaselesa [24]

<em>The answer is Ms Hernandez can bring up to 6 people to the zoo.</em>

<em />

<em>x -  the number of people that she can bring to the zoo</em>

<em>The parking will cost $7: a = 7</em>

<em>Admission tickets will cost $15.50 per person: b = 15.50x</em>

<em>She can spend on parking and admission tickets $100:</em>

a + b ≤ 100

a = 7

b = 15.50x

7 + 15.50x ≤ 100

15.50x ≤ 100 - 7

15.50x ≤ 93

x ≤ 93 / 15.50

x ≤ 6

5 0
4 years ago
I don't understand how to do this so please explain or show me how to get the answer
nekit [7.7K]

Answer:

m<ADB=70°

m<ADC=110°

m<DAC=45°

Step-by-step explanation:

<ADB=<ABD(being isosceles triangle: AD=AB)

<ABD+<ADB+<DAB=180°(sum of the angle of triangle is 180°)

2<ADB+40°=180°(<ADB=<ABD and <DAB=40°)

2<ADB=140°

<ADB=70°

<ADB+<ADC=180°(being straight angle)

70°+<ADC=180°

<ADC=110°

<ADC+<ACD+<DAC=180°( sum of the angle of triangle is 180°)

110°+25°+<DAC=180°

<DAC=45°

4 0
3 years ago
The graph of the function is f(x)= x2 − 4x + 6 . What is its axis of symmetry?
lianna [129]
To find the axis of symmetry you must first find the vertex of the parabola.  The formula for vertex is -b/2a.  So the vertex has a "x" coordinate at 4/2 or 2.  so the axis of symmetry is the vertical line x = 2
8 0
4 years ago
A tree that is next to a telephone pole is 15 feet tall and casts a shadow 4 feet long.
mestny [16]

Answer:

24

Step-by-step explanation:

15 =4

15x 6=90

4x6=24

5 0
3 years ago
Read 2 more answers
Factorise b^2 + 7b + 10
deff fn [24]

Step-by-step explanation:

b²+7b+10

Common factors are 5,2

b²+7b+10

b²+2b+5b+10

b(b+2)+5(b+2)

(b+2)(b+5)

Hope it helps.✨✨

4 0
2 years ago
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