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ohaa [14]
3 years ago
9

Find sin3a pls help me​

Mathematics
1 answer:
zalisa [80]3 years ago
7 0

Step-by-step explanation:

hi i have answere your question

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Write the standard form for a parabola that has the following x intercepts: (-4, 0) and (7, 0).
Alja [10]

Answer:

y = x² - 3x - 28

Step-by-step explanation:

given a parabola with x- intercepts x = a and x = b , then

(x - a) and (x - b) are the corresponding factors and the equation is the product of its factors

y = (x - a)(x - b)

here the x- intercepts are x = - 4 and x = 7 , then the factors are

(x - (- 4)) and (x - 7) , that is (x + 4) and (x - 7) , then

y = (x + 4)(x - 7) ← expand using FOIL , then

y = x² - 3x - 28 ← in standard form

8 0
2 years ago
There are 56 boys and 72 girls in an after-
Rufina [12.5K]

Answer:

try 7 girls? im sorry if not right

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3 years ago
PLZ HELPP MARK BRAINLIEST 20 POINTS
morpeh [17]

Answer:

This is incorrect as 1/8 plus 3/5 is 29/40

Step-by-step explanation:

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3 0
3 years ago
PLEASE HELP ASAP 30 POINTS!! Show all work!
Mazyrski [523]

Answer:

D, 6500 increased by 1.4% is 6591 plus another 1.4% which is 6683 and for the last year you add another 1.4% to get the final answer which is D 6,776.84

3 0
3 years ago
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Tell whether the expression 3x^4 -5x +7 is a polynomial. If it is polynomial , find the degrees and determine whether it is a mo
ioda

Given:

The polynomial is:

3x^4-5x+7

To find:

The degrees and determine whether it is a monomial, binomial, or trinomial.

Solution:

We have,

3x^4-5x+7

The highest power of the variable <em>x</em> in the given polynomial is 4. So, the degree of the polynomial is 4.

Monomial: Polynomial with one term.

Binomial: Polynomial with two terms.

Trinomial: Polynomial with three terms.

In the given polynomial, we have three terms 3x^4,-5x,7. So, the given polynomial is trinomial.

Therefore, the degree of the polynomial is 4 and it is a trinomial.

5 0
3 years ago
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