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3 years ago

Y=-3x2 + x + 17 axis of symmetry?

Mathematics

2 answers:

cupoosta [38]3 years ago

7 0

Answer:

1/6

Step-by-step explanation:

The x-coordinate of the vertex is always the x-value of the axis of symmetry. The vertex can be found by $x=\frac{-b}{2a}$ . If we look at this equation as $y=ax^{2} +bx+c$ ,

$b=1$ and $a=-3$ .

When you plug those values into the x equation you get $x=\frac{1}{6}$ .

stealth61 [152]3 years ago

5 0

Answer :
1/6

Explanation:

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There are many numbers that divide 109 with a remainder of 4. List all two-digit numbers that have that property.

Paladinen [302]

Answer:

3 Numbers: 15, 21, 35

Step-by-step explanation:

We want number that divide 109 with a remainder of 4.

Thus, it can divide of 109 - 4 = 105

Factors of 105 = 3, 5, 7

Thus for getting two digit number it must be Multiple of any two factors of 105.

i.e. 15, 21 and 35

Hence there are only 3 numbers that divide 109 with a remainder of 4.

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3 years ago

Find the distance from the base of the ladder to the house.

True [87]

Answer:

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Step-by-step explanation:

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4 years ago

Select the correct answer from each drop-down menu.

nasty-shy [4]

9514 1404 393

Answer:

3(x^3)y -6x(y^2) +9
3

Step-by-step explanation:

The above-listed answer choices are the only ones that are self-consistent.

The quotient choices all have a leading coefficient of 3, and the result of dividing by <some number> is a leading coefficient of 1. Obviously, the <some number> must be 3 (first choice on the second menu).

Looking only at the constant term, we see that after division by 3, we have 3. So the original quotient constant term must be 3×3 = 9 (first choice on the first menu). Note that we have chosen the correct answer simply by looking at coefficients, not even bothering with actual division of variables.

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3 years ago

Read 2 more answers

The vertex angle of isosceles triangle is 110. what are the measures of the base angles

alexgriva [62]

Two sides are equal in an isosceles triangle. This means that the angle both sides make with the third side must be the same. Since the angles in a triangle add up to 180°, you can subtract 110° from 180° and divide your answer by two. The resulting number will be the measure of each of the two unknown angles

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2 years ago

A train to New York city leaves a station every 7 minutes. Another train to Boston leaves the station every 6 minutes. Suppose i

Virty [35]

Answer:

7:12 a.m

Step-by-step explanation:

Given that:

Train to New York city leaves station every 7 minutes

Train to Boston leaves station every 6 minutes

Current time = 6:30 a.m

Time both will leave station together is obtained by finding the least common multiple of 6 and 7

Multiples of ;

6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60,...

7 = 7, 14, 21, 28, 35, 42, 49, 56, 63, 70,...

The least common multiple of 6 and 7 is 42.

Hence, both trains will leave the station together after 42 minutes ;

Current time + 42 minutes

6:30 a.m+ 42 minutes = 7:12 a.m

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3 years ago