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3 years ago

Complete the sentence:

Mathematics

1 answer:

ANTONII [103]3 years ago

3 0

Answer:

A. Six Points

Step-by-step explanation:

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Explicit equation for 5,10,20,40

eduard

Answer:

see explanation

Step-by-step explanation:

These are the terms of a geometric sequence with n th term

$a_{n}$ = a $(r)^{n-1}$

Where a is the first term and r the common ratio

r = $\frac{10}{5}$ = $\frac{20}{10}$ = $\frac{40}{20}$ = 2

and a = 5, hence explicit equation is

$a_{n}$ = 5 $(2)^{n-1}$

3 0

3 years ago

A(n) __________ is the number of standard deviations a score is above or below the mean.

Neporo4naja [7]

The answer is Standard Score (Or Z-Score)

6 0

3 years ago

1. complete the table to show how to solve one-step equations <br><br> pls help tyty

9966 [12]

Answer:

8 is subtracted from x

The inverse operation is addition

Add 8 to both sides

X=-2 so I think that it is: 10 is added to x

The inverse operation is subtraction

Subtract 10 from both sides

4 is multiplied by x

The inverse operation is division

Divide 4 from both sides

X is divided by 2

The inverse operation is multiplication

Multiply each side by 2

Hope it helps!

5 0

3 years ago

-5(x + 3) - 4x = 6(2x + 3) - 12

MaRussiya [10]

Answer:x=-1

Step-by-step explanation:

8 0

3 years ago

Q6: Which is the graph of the polar equation r=1/1-sin theta.

AveGali [126]

Answer:

The correct answer is C.

Step-by-step explanation:

The given equation is;

$r=\frac{1}{1-\sin(\theta)}$

This implies that;

$r(1-\sin(\theta)=1$

$r-r\sin(\theta)=1$

Let us write in Cartesian coordinates by substituting;

$r=\sqrt{x^2+y^2} ,y=r\sin(\theta)$

$\sqrt{x^2+y^2}-y=1$

$\sqrt{x^2+y^2}=y+1$

Square both sides;

$(\sqrt{x^2+y^2})^2=(y+1)^2$

This implies that;

$x^2+y^2=y^2+2y+1$

$x^2=2y+1$

$y=\frac{1}{2}x^2-\frac{1}{2}$

This is an equation of a parabola that opens upwards with a y-intercept of $-\frac{1}{2}$ .

The correct choice is C

4 0

4 years ago