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kkurt [141]
3 years ago
15

I need to know how to do 24×85 in multiplication vertical ​

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0

Answer:

2,040

Step-by-step explanation:

24

×85=

5×4=20 carry the 2 about the 2 in 24

5×2=10+ the 2 you carried =120

bring a 0 down under the 0 in 120 cross out the 5

now do 8×4=32 carry the 3 above the two in 24 now

8×2=16+ the 3 carried=19

1120+1920=2,040

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What are the possible rational roots of the polynomial equation?<br><br> 0=2x7+3x5−9x2+6
RoseWind [281]

Answer: \pm\frac{1}{1}, \pm\frac{1}{2},\pm\frac{2}{1},\pm\frac{3}{1}, \pm\frac{3}{2}

Step-by-step explanation:

We can use the Rational Root Test.

Given a polynomial in the form:

a_nx^n +a_{n- 1}x^{n - 1} + … + a_1x^1 + a_0 = 0

Where:

- The coefficients are integers.

- a_n is the leading coeffcient (a_n\neq 0)

- a_0 is the constant term a_0\neq 0

Every rational root of the polynomial is in the form:

\frac{p}{q}=\frac{\pm(factors\ of\ a_0)}{\pm(factors\ of\ a_n)}

For the case of the given polynomial:

2x^7+3x^5-9x^2+6=0

We can observe that:

- Its constant term is 6, with factors 1, 2 and 3.

- Its leading coefficient is 2, with factors 1 and 2.

 Then, by Rational Roots Test we get the possible rational roots of this polynomial:

\frac{p}{q}=\frac{\pm(1,2,3,6)}{\pm(1,2)}=\pm\frac{1}{1}, \pm\frac{1}{2},\pm\frac{2}{1},\pm\frac{3}{1}, \pm\frac{3}{2}

5 0
3 years ago
the value in dollars, v (x), of a certIN TRUCK AFTER X years is represented by the equation v(x) = 32.500 (0.92)^X. theo the nea
fenix001 [56]

Answer:

Answer: The truck is worth of $27508 after 2 years.

Step-by-step explanation:

Since we have given that

The value in dollars v(x), of a certain truck after x years is represented by the equation :

We need to find the price of the truck after 2 years,

so, x= 2

So, we put the value of x = 2 in the above equation:

Hence, the truck is worth of $27508 after 2 years.

5 0
3 years ago
I need help finding the are of this
Allisa [31]

Answer:

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Step-by-step explanation:

3.14*5*5=78.5

3 0
3 years ago
Find the measure of each angle in the problem.
lesya692 [45]

Answer:

C

Step-by-step explanation:

70+20=90 and thats a right angle which is 90°

8 0
3 years ago
Draw triangle ABC by first drawing segment BC six inches long. Then draw a 60° angle at vertex B and a 60° angle at vertex C. Ex
Rina8888 [55]

Answer:

Step-by-step explanation:

Given that segment BC is the base of the triangle, this drawing shows that triangle ABC is an equilateral triangle.

Since;

<B = <C = 60°

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<A + 60° + 60° = 180^{o}

<A = 180^{o} - 120^{o}

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Thus,

AB = BC = AC = 6 inches

The construction is attached to this answer.

4 0
3 years ago
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