how would the numbers 6870000 appear in scientific notation on a calculator screen ​

Answer:

10. ∠ZD is an obtuse angle ∠KS is an obtuse angle

11. ∠LV is an obtuse angle ∠LM is a right angle ∠BF is an obtuse angle

Step-by-step explanation:

Answer:

Step-by-step explanation:

a1 = 100

r = 1/5

an = 100 (1/5)^(n - 1)

Try it. We have the answer for a_3

a_3 = 100 * (1/5)^(3 - 1)

a_3 = 100 * (1/5)^2

a_3 = 100 * 1/25

a_3 = 4  which is just what the series says should be the answer.

Answer:

A

Step-by-step explanation:

pick A cause 8 6 and 4 = 18

Answer:

$7.75 in total

Answer:

Answer is C

Step-by-step explanat

Answer:

66.66666% increase (6 goes on forever, can be rounded to 66.67%)

Step-by-step explanation:

The change is 125 - 75 = 50, so it increased by 50/75 = 2/3 = 0.666666... = 66.6666%

Answer:

You are right the anwser is D

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Answer:

the slope is −3 .

Answer:

2/3 (fact checking...)

Step-by-step explanation:

this is a problem constructed in Slope-Intercept form, the slope is the angle that the line plotted is at.

The intercept, aka the y-intercept is where the line crosses on the y axis, in this case since y is just y and not changed, the line crosses at 0 on the y coordinate.

The slope is 2/3 because when plotted, the line will cross the point on graph at the location (x,y) 2,3 as its nearest whole set of numbered coordinates to 0,0 along said line

Answer:

Step-by-step explanation:

Answer:

Mean

Step-by-step explanation:

Answer:

It will be A

Step-by-step explanation:

Hope this helped you out

Answer:

Step-by-step explanation:

Let x equal number of weeks and y equal money in the bank.

Nancy, y=425+25x

Sam, y=705-15x

The system of equations:

Nancy:   [tex]y=\$425+\$25x[/tex]

Sam :   [tex]y=\$705-\$15x[/tex]

Given:

Amount in Nancy's bank = $425

Amount saved by Nancy each week = $25

Amount in Sam's bank = $705

Amount spend by Sam each week = $15

To find:

The system of equations describing the given models.

Solution

1) Amount in Nancy's bank = $425

Amount saved by Nancy each week = $25

Let the number of weeks Nancy saving her money be 'x'.

Let the total amount of money in Nancy's bank after x weeks be 'y'.

[tex]y=\$425+\$25\times x\\y=\$425+\$25x[/tex]

The equation for Nancy:

[tex]y=\$425+\$25x[/tex]

2)

Amount in Sam's bank = $705

Amount spend by Sam each week = $15

Let the number of weeks Sam spending his money be 'x'

Let the total amount of money left in Sam's bank after x weeks ='y'

[tex]y=\$705-\$15\times x\\y=\$705-\$15x[/tex]

The equation for Sam:

[tex]y=\$705-\$15x[/tex]

Learn more about system of equations here:

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5

Step-by-step explanation:

Length (L) = u

Breadth (b) = 6 mi

Perimeter (P) = 22 miles

Now we know

P = 2 (L+ b)

22 = 2 ( u + 6)

11 = u + 6

11 - 6 = u

u = 5

Answer:

u = 5

Step-by-step explanation:

The perimeter of a rectangle is all the sides added up.

The oppisite sides are parralel.

So the side across from 6 is all 6

6 + 6 = 12

The perimeter is 22 so you do

22 - 12 = 10

So 'u' equals 5 because you have to divide the number 10 by 2.

Answer:

7

Step-by-step explanation:

We have the expression -x + 2 and are asked to solve if x = -5.

Since we know the value of x, we need to replace x with the amount it is.

-x + 2 if x = -5.

-(-5) + 2

Negative cancels a negative.

5 + 2

7

Answer:

2

Step-by-step explanation:

Answer:

54 feets

2.5 inches

Step-by-step explanation:

Given that:

Scale model:

5 in : 9ft

If 5 in = 9 ft

Hence, 1 in on the blue print equals

5 in = 9 ft

1 in = x

Cross multiply

5x = 9

x = 9/5 feets

Hence, 1 inches on the blueprint equals 9/5 feets actual

Blueprint length (in.) ___ Actual length (ft)

5 _________ 9

10 ________ 18

15 ________ 27

20 _______ 36

25 _______ 45

30 _______ 54

Hence ;

5 * 9/5 = 9 feets

10 * 9/5 = 18 feets

15 * 9/5 = 27 feets

20 * 9/5 = 36 feets

25 * 9/5 = 45 feets

30 * 9/5 = 54 feets

Window with actual width of 4.5 feets

Width of window in blue print :

Actual width ÷ 9/5

Actual width = 4.5 = 4 1/2 = 9/2

9/2 * 5 /9

= 5 /2

= 2 1/2 inches = 2.5 inches

Answer:

$2.25 is answer

perimeter of circular garden=2πr=2×π×1.5=3πfeet

1 foot=$0.75

3πfeet=3×$0.75=$2.25

Answer:

-18, -22, -26, -30

Step-by-step explanation:

add negative 4 each time

Answer:

B: The independent variable is d.

Step-by-step explanation:

I took the test on K12

Answer:

y = 5

Step-by-step explanation:

Perpendicular means forming a 90 degree angle. In y=5, the line is horizontal and only touches (0,5). When compared to the y-axis, they intersect at 90 degrees so it is y = 5

Answer:

5

Step-by-step explanation:

4x5=20

20+5=25

Answer:

183

Step-by-step explanation:

a₁ = -13

common difference = a₂ - a₁

                                 = (-6) - (-13)

                                = -6 + 13

                               d = 7

nth term = a₁ + (n - 1)d

29th term = -13 + 28 * 7

               = -13 + 196

               = 183

Answer:

the answer is D.y

Step-by-step explanation:

the y is in only the first one, which is a common factor of itself. Hope this helps

Answer:

Step-by-step explanation:

q minus 22 = 24: Add 22 to both sides. The answer is 46.

Answer:

3 2/3

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

Answer:

The area of the triangle is 24 inches.

Step-by-step explanation:

First you multiply 8 by 6.

8 * 6 = 48

Next you divide by 2 because a triangle is half of a square.

48 ÷ 2 = 24

So, the answer is 24.

Hope this helps! :)

The area of triangle with base 6 inches and height 8 inches is 24in² .

Given, Right angled triangle .

Area of triangle = [tex]\frac{1}{2} \times b \times h[/tex]

Here,

b = base of triangle

h = height of triangle

Substitute the values,

Area of triangle = [tex]\frac{1}{2} \times b \times h[/tex]

[tex]= \frac{1}{2} \times 6 \times 8\\ = 3 \times 8\\= 24in^2[/tex]

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