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2 years ago

What must be a factor on the polynomial Function F(x) graphed on the coordinate plane below?

Mathematics

1 answer:

vfiekz [6]2 years ago

3 0

Answer:

x - 1

Step-by-step explanation:

The graph touches the x-axis at x = 1, its factor would be (x - 1)

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One sample has a mean of and a second sample has a mean of . The two samples are combined into a single set of scores. What is t

Murrr4er [49]

Answer:

a) For this case we can use the definition of weighted average given by:

$M = \frac{ \bar X_1 n_1 + \bar X_2 n_2}{n_1 +n_2}$

And if we replace the values given we have:

$M = \frac{8*4 + 16*4}{4+4}= 12$

b) $M = \frac{8*3 + 16*5}{3+5}= 13$

c) $M = \frac{8*5 + 16*3}{5+3}= 11$

Step-by-step explanation:

Assuming the following question: "One sample has a mean of M=8 and a second sample has a mean of M=16 . The two samples are combined into a single set of scores.

a) What is the mean for the combined set if both of the original samples have n=4 scores "

For this case we can use the definition of weighted average given by:

$M = \frac{ \bar X_1 n_1 + \bar X_2 n_2}{n_1 +n_2}$

And if we replace the values given we have:

$M = \frac{8*4 + 16*4}{4+4}= 12$

b) what is the mean for the combined set if the first sample has n=3 and the second sample has n=5

Using the definition we have:

$M = \frac{8*3 + 16*5}{3+5}= 13$

c) what is the mean for the combined set if the first sample has n=5 and the second sample has n=3

Using the definition we have:

$M = \frac{8*5 + 16*3}{5+3}= 11$

7 0

3 years ago

The product of x and y, written in three different ways

Alika [10]

Answer:
3
⋅
x
x
+
y
Explanation:
The product of 3 and x divided by the sum of x and y is
P
r
o
d
u
c
t
o
f
3
and
x
S
u
m
o
f
x
and
y
.
Okay break it into smaller parts. The product of
3
and
x
is
3
⋅
x
um of
x
and
y
is
x
+
y
Now, we get
3
⋅
x
x
+
y
and that's it

4 0

3 years ago

Can someone help me please

Vladimir [108]

$a) \: \cos(39°) = \frac{x}{7} \Leftrightarrow x = 7\cos(39°) \approx5.44 \\ b) \: \sin(46°) = \frac{8}{x} \Leftrightarrow x = \frac{8}{\sin(46°)} \approx11.12$

8 0

3 years ago

camilla makes and sells jewelry. She has 8,160 silver beads and 2,880 black beads to make necklaces. Each necklace will contain

PIT_PIT [208]

96 necklaces

You divide the amount of beads total by the amount of beads on each necklace.
( 8160 divided by 85 and 2880 by 30)

7 0

3 years ago

Read 2 more answers

Jamie owns a sailboat rental company, which has a large variety of sailboats of different sizes. He observed that the speed of t

zhuklara [117]

Answer:

Graph C

Step-by-step explanation:

We know the speed is equal to one and a half times the square root of the length. This means that speed is the dependent variable (y), and length is the independent variable (x).

Since the speed, S(x), is 1.5 times the square root of the length (x), we get the function

S(x) = 1.5√x.

When x = 0, S(x) = 1.5√0 = 1.5(0) = 0. This makes it graph C.

3 0

3 years ago

Read 2 more answers