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Answer:

100

Step-by-step explanation:

Answer:

D. b = r+z

Step-by-step explanation:

Given the expression b-r = z, we are to solve for b. To do this, we will add 'r' to both sides of the equation as shown;

b-r+r = z+r

Since -r+r = 0, substitute:

b+0 = z+r

b = z+r

Hence the resulting equation when r is added to both sides of the equation is b = z+r

Hence option D is correct

9514 1404 393

Answer:

  any of 2, 3, 4, 5

Step-by-step explanation:

√30 ≈ 5.48

4/3 ≈ 1.33

Integers between 1.33 and 5.48 include 2, 3, 4, 5. Any of these is an integer between √30 and 4/3.

Answer: $37.20

Step-by-step explanation:

24.50+12.70=37.20

Quinn earned a total amount of $37.20 which is the addition of the earnings from dog-sitting and the recycling cans.

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

We have been given that Quinn earned $24.50 for dog-sitting and $12.70 for recycling cans.

We have to determine the total amount he earned.

The total amount is the addition of the earnings from dog-sitting and the recycling cans.

The total amount = earnings from dog-sitting + earnings from the recycling cans.

The total amount = $24.50 + $12.70

The total amount = $37.20

Therefore, he earned a total amount of $37.20.

Learn more about Arithmetic operations here:

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Answer:

b=80

Step-by-step explanation:

Answer:

$63.55

Step-by-step explanation:

Taxes are charges paid by individuals and enforced by the government in other to fund government spending and various public expenditures.

The flowers cost $59.95 and tax is 6%.

Tax = 6% of flower cost = 0.06 × $59.95 = $3.6

The  total cost of the flowers is the sum of tax and the cost of flowers, hence:

Total cost of the flowers = $59.95 + $3.6

Total cost of the flowers = $63.55

Answer:

If i recall right when two slopes are perpendicular one slope is supposed to be the negative reciprical of the other slope, because of this I think your answer should be B.

Hope this helps!

Answer:

inverse operation

Step-by-step explanation:

Inverse means opposite. The opposite of division is multiplication. For example, if you divided 15 by 3, the answer is 5. If you multiply 5 by 3, the answer is 15. You know your answer is correct by checking it with the inverse operation.

Hope this helps!! Have a wonderful day :3

Answer: 60%

Step-by-step explanation:

Given: Climbing rate at the end of week 1 = 25 steps per minute.

Climbing rate at the end of week 4 =   60 steps per minute

The  percent increase in Maggie's rate of climbing steps from the end of week 1 to the end of week 4 will be :

[tex]\dfrac{\text{Climbing rate after week 4 - Climbing rate after of week 1}}{\text{Climbing rate after week 1}}\times100[/tex]

[tex]=\dfrac{40-25}{25}\times100\\\\=\dfrac{15}{25}\times100=15\times4=60\%[/tex]

Hence, the percent increase in Maggie's rate of climbing steps from the end of week 1 to the end of week 4 = 60%

Answer:

c = 9

Step-by-step explanation:

2c - 5 = c + 4

Subtract c from both sides

c - 5 = 4

add 5 to both sides

c = 9

Hope this helps:)

Answer:

50%

Step-by-step explanation:

650 is one half of the 1,300

That means that 650 is 50% of people who were satiufired out of 1,300

Answer:

48s plus 12p - 18

Step-by-step explanation:

Answer:

Add 48 + 12 and Subtract the sum from 18 (14+12-18)

Step-by-step explanation:

Sorry if I'm confusing you ;(

Answer:

Slope = -1

Step-by-step explanation:

[tex](3, -5 ) = (x_1,y_1) \\ (-7,5)=(x_2,y_2)[/tex]

[tex]Slope = \frac{y_2-y_1}{x_2-x_1} [/tex]

Substitute values into the given equation

[tex]slope \: = \frac{5 - ( - 5)}{ - 7 - 3} \\ \\ slope \: = \frac{5 + 5}{ - 7 - 3} \\ \\ [/tex]

[tex]slope \: = \frac{10}{ - 10} \\ slope \: = - 1[/tex]

Answer:

19 lots

Step-by-step explanation:

i took my exam and it was right

Answer:

This function does not have a vertex because it is a linear function, meaning it will be a straight line.

Step-by-step explanation:

I suggest graphing this on desmos! That site will be your best friend when it comes to graphing, anyway I hope this helped!

Answer:

13 cents

Step-by-step explanation:

2.36/18= 0.13

Answer:

4 +5 _7

Step-by-step explanation:

8(u-4)=-40

8u-32= -40

8u= -40 + 32

8u= -8

u= -8/8

u= -1

Let's check

8(-1 -4)

-8-32

=-40

So yes u is -1

Answer:

mr

Step-by-step explanation:

rm x 3/11 ÷ 3/11

Answer:

To get 2 imaginary solutions, c must be less than -2

Step-by-step explanation:

The general form of the quadratic equation is:

[tex]ax^2+bx+c=0[/tex]

Solve the quadratic equation by using the formula:

[tex]\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]

The equation to solve is:

[tex]-2x^2+4x+c=0[/tex]

In our equation: a=-2, b=4, c=unknown

For the roots to be imaginary, the argument of the square root must be negative, that is:

[tex]b^2-4ac<0[/tex]

Substituting the known values:

[tex]4^2-4(-2)c<0[/tex]

[tex]16+8c<0[/tex]

Subtracting 16:

[tex]8c<-16[/tex]

Solving:

[tex]c<-2[/tex]

Thus, to get 2 imaginary solutions, c must be less than -2

Answer:

what is the question??

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

Answer:

He can fit 2 more DVD's on the shelf.

And he'll have about 12 mm of extra space left.

Step-by-step explanation:

40×1.4 = 56cm  This is the length of space the 40 DVD's will take up.

60-56 = 4cm  This is the amount of space left.

4/1.4 = 2.857   the number of DVD's that will fit.

Of course, the decimal represents a partial DVD which is worthless.

Just to be sure, 2×1.4 = 2.8cm OK. But  3×1.4=  4.2cm which is 2mm too much

Answer: 6 and 7

Step-by-step explanation:Consider square numbers either side of 44, that is

36 < 44 < 49, then

<  < , that is

6 <  < 7

Answer:

The answer is 77 degrees

Answer:

C. Sin 75,5 = y/12

Step-by-step explanation:

This angle can be calculated using the law of sine:

sin(angle)=opposite cathete/hypothenuse

sin(angle)=wall/ladder

In this exercise we want to calculate the height of the ladder, so the equation is changed afterwards.

sin(angle)=wall/ladder

sin(75,5°)=12ft/y

The height y above the ground in feet is ; (C ) sin 75.5 = y / 12

The ladder, the horizontal ground and the vertical height above the ground form a right angle triangle are ;

The vertical height y = opposite

Length of ladder = hypotenuse

Horizontal ground  = adjacent.

According to trigonometry, sine of an angle is opposite/hypotenuse

sin 75.5 = y/12.

In conclusion, the height y above the ground in feet is sin 75.5 = y / 12.

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7) 2

8) -3

9) -5/11

10) 2/5

11) -0.5

12) -2

Answer:

6

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

Since there are two white bars (which equals 4 each) it equals 8.

There are 2 shaded blocks (which equals -2 each) and that amounts to -2.

8 - 2 = 6

Hope I helped :)

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Answer:

A: 10v

B: 5v

Step-by-step explanation:

A: Smallest increment can be found by doing 100/ number of tick marks to 100/ (so 100/10)

B: Uncertainty is smallest increment /2 or 10/2

Answer:

A: 10v

B: 5v

Step-by-step explanation: Hoped this helped :3