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mezya [45]
3 years ago
12

Please helppppp meeeeeee!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0

Answer:

B) Tan A=7/24

Step-by-step explanation:

Its literally the only correct ratio. All the others arent correct raatios so they cant be used in this equation

Tangent A= perpendiclar/ base of triangle

suter [353]3 years ago
4 0

Answer: C

Step-by-step explanation: Because it's the biggest number

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How do I solve this proportion??<br> 7/n = 8 / 7
kirill115 [55]
\frac{7}{n}=\frac{8}{7} \\\\ n=\frac{7*7}{8} \\\\ \boxed{n=\frac{49}{8}}
7 0
3 years ago
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3. James travels 3,247 m to the park, then 582 m to the store. He then travels 1,634 m back to his house.
umka21 [38]
C approximately 5460 meters
4 0
3 years ago
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What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1? PLs HELP!!
Delicious77 [7]
ANSWER
f(x)= \frac{1}{4} {(x - 1)}^{2}

EXPLANATION

Since the directrix is
y = - 1

the axis of symmetry of the parabola is parallel to the y-axis.

Again, the focus being,

(1,1)

also means that the parabola will open upwards.

The equation of parabola with such properties is given by,

{(x - h)}^{2} = 4p(y - k)
where
(h,k)

is the vertex of the parabola.

The directrix and the axis of symmetry of the parabola will intersect at
(1, - 1)

The vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix.

This implies that,
h = \frac{1 + 1}{2} = 1

and
k = \frac{ - 1 + 1}{2} = 0

The equation of the parabola now becomes,

(x - 1) ^{2} = 4p(y - 0)

|p| = 1

Thus, the distance between the vertex and the directrix.

This means that,

p = - 1 \: or \: 1

Since the parabola opens up, we choose
p = 1
Our equation now becomes,

{(x - 1)}^{2} = 4(1)(y - 0)

This simplifies to
{(x - 1)}^{2} = 4y

or

y = \frac{1}{4} {(x - 1)}^{2}

This is the same as,

f(x)= \frac{1}{4} {(x - 1)}^{2}

The correct answer is D .
4 0
3 years ago
Help asap please, forgot how to do math :)
Sergio039 [100]

Answer:

x = 8

Step-by-step explanation:

A common pythagorean triplet is 7, 8, 9

3 0
2 years ago
Read 2 more answers
1<br> Select all relations that are functions from the choices below
Daniel [21]

Answer:

Option (D).

Step-by-step explanation:

If the graph of a relation has two output values for a single input value, relation will not be considered to be a function.

Option (A).

For the input values of x = -1, there are two output values, y = -1, 1.

Therefore, given relation is not a function.

Option (B).

Since, all the parabolas don't represent a function, given parabola in the graph is not a function.

Option (C).

Not a function. It's a relation.

Option (D).

Line plotted in the graph has a distinct output value for every input value.

Therefore, the given graph represents a linear function.

7 0
3 years ago
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