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Pie
2 years ago
7

2x+y=10 x-intercept?______ y-intercept?______ have to show work

Mathematics
1 answer:
Wewaii [24]2 years ago
3 0

Answer:

y = 10-2x

Step-by-step explanation:

2x+y=10

y=10-2x

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Find a polynomial equation that has zeros at x = -4, x = 0, and a double root at x = 7.
Ksju [112]

Answer:

D

Step-by-step explanation:

Given a polynomial f(x) with roots say x = a and x = b, then the factors are

(x - a) and (x - b) and f(x) is the product of the roots, that is

f(x) = (x - a)(x - b)

Here the roots are x = - 4, x = 0 and double root at x = 7

Thus factors are (x - (- 4)), (x - 0), that is (x + 4) and x

Given a double root at x = 7 the factor is (x - 7)², thus polynomial is

y = x(x + 4)(x - 7)² → D

7 0
2 years ago
I really need help with this one please
natka813 [3]

The distance from the sun is option 2 5.59 astronomical units.

Step-by-step explanation:

Step 1; To solve the question we need two variables. P which represents the number of years a planet takes to complete a revolution around the Sun. This is given as 13.2 years in the question so P = 13.2 years. The other variable is the distance between the planet and the sun in astronomical units. We need to determine the value of this using the given equation.

Step 2; So we have to calculate the value of 'a' in Kepler's equation. But the exponential power \frac{3}{2} is on the variable we need to find so we multiply both the sides by an exponential power of \frac{2}{3} to be able to calculate 'a'.

P =  a^{\frac{3}{2} }, P^{\frac{2}{3} } = a^{\frac{3}{2}*\frac{2}{3}  },  P^{\frac{2}{3} } = a, 13.2^{\frac{2}{3} } = a = 5.58533 astronomical units.

Rounding it over to nearest hundredth we get 5.59 astronomical units.

6 0
3 years ago
Can you use the SAS Postulate, the AAS Theorem, or both to prove the triangles congruent?
nadezda [96]
AAS because there’s a vertical angle
3 0
3 years ago
Solve the inequality 3m−3(m+8)>3m
Yakvenalex [24]

Answer:

m<-8 or (-∞,-8) hope this helps

6 0
3 years ago
How do you multiply decimals
Alchen [17]

Answer:

multiply them like you normally would and add up the decimal places, then place ur decimal.

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
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