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Step2247 [10]
3 years ago
14

Simplify the expression below: 7 a2 + 10a - 3a – 2a2

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
6 0

Answer: ax(5a+7)

Step-by-step explanation:

I just know trust me

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in 1950, the U.S. federal budget was $39.4 billion, in 2000, the federal budget was $2025.2 billion. The exponential function is
Slav-nsk [51]

Answer:

The budget in 2010 is $4453.10915 billion

Step-by-step explanation:

We are given exponential function as

f(t)=39.4e^{0.0787932t}

where t is the time in years since 1950

now, we can find time in 2010

t=2010-1950=60

now, we can plug t=60

and we get

f(60)=39.4e^{0.0787932\times 60}

we get

f(60)=4453.10915

So, the budget in 2010 is $4453.10915 billion

3 0
3 years ago
Chose the equation for a line that passes through (2,-3) and has a slope of m=-4 in point slope form.
Sladkaya [172]

Answer:

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Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

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Here m = - 4 and (a, b) = (2, - 3), thus

y - (- 3) = - 4(x - 2), that is

y + 3 = - 4(x - 2)

6 0
4 years ago
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The speed of Natalie in miles per hour is 1.2 mph.

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What is the equation of the following line written in slope-intercept from??
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The equation for line A is y = -2/3 x -4. Line A and Line B are perpendicular and the point ( -2 , 1) lies on Line B. Write the
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A23425

Step-by-step explanation:

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