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ivann1987 [24]
3 years ago
5

Please help me this is due tomorrow and please follow me and I am in the 5th grade

Mathematics
1 answer:
Tcecarenko [31]3 years ago
6 0
For number 80 the answer is 15.
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How many solutions does the following equation have?<br><br> 3x^2+10x+2=0
Juliette [100K]

Answer:

one solution

Step-by-step explanation:

8 0
3 years ago
What is the slope of the line shown?
professor190 [17]

Answer:

1/2

Step-by-step explanation:

Pick two points on the line

(2,0) and (4,1)

Use the slope formula

m= (y2-y1)/(x2-x1)

  = (1-0)/(4-2)

   = 1/2

4 0
3 years ago
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Can someone please be generous and help me
Ugo [173]

Answer:

The point slope form is y-y_{1} =m(x-x_{1} )

The slope(m) can be calculated using \frac{y-y_{1} }{x-x_{1}}:

(x, y)=(4,-3)\\(x_{1} ,y_{1} )=(5,0)\\\\\frac{0-(-3)}{5-4} =\frac{0+3}{1} =\frac{3}{1} =3

Using Point One, the point-slope form is determined as:

y-(-3)=3(x-4)\\y+3=3(x-4)

The y-intercept(b) can be calculated as:

(5,0)\\y=3x+b\\0=3(5)+b\\0=15+b\\b=-15\\(0,-15)

7 0
3 years ago
Which equation represents y = x2 + 16x + 70 in vertex form?
baherus [9]

Answer:

y = (x + 8)² + 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square

add/subtract (half the coefficient of the x- term )² to x² + 16x

y = x² + 2(8)x + 64 - 64 + 70

   = (x + 8)² + 6 ← in vertex form

8 0
3 years ago
Crew b earns $315 after 3 hours, $525 after 5 hours, and $735 after 7 hours of work. Explain whether or not Crew b's data show a
Westkost [7]

Answer:

it in creases by 110 every hour

8 0
3 years ago
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