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svetoff [14.1K]
3 years ago
6

Dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, Jake. While playing, Jake los

t 2 marbles and has only 7 marbles at present. Write the equation to be used to solve this equation.
Mathematics
1 answer:
Licemer1 [7]3 years ago
3 0

Answer:

45÷5=9-2=7 is this the equation took so long but got the right answer

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A circle has a diameter of 42 mm. What is the circumference of this circle? (use 22/7 for pi; show your work in numbers)
stellarik [79]

Answer:

132

Step-by-step explanation:

Find Radius (r)

42/2 = 21

Plug 21 into Circumference Equation

2πr (In this case, π is 22/7)

Simplify

42 (22/7)

<u>132</u>

8 0
3 years ago
The dimensions of a rectangular flower bed on a sketch are 4 cm by 6 cm. In real life, the shorter side of the flower bed is 5 m
Fittoniya [83]

Answer:

The correct answer is 7.5

Step-by-step explanation:

100x5=500

500÷4=125

125x6=750

750/100=7.5

The answer is 7.5 m

5 0
3 years ago
You have been asked to find the inverse of f (x) = 3+Vx - 1. What would your
Paha777 [63]

Answer:

Add 1 to both sides of the equation.

Subtract 3 from both sides of the equation.

Step-by-step explanation:

The inverse of a function refers to that function that tends to undo another function.

If we intend to find the inverse of the function, f(x) = 3+ V2 - 1, we have to first add 1 to both sides of the equation and subsequently subtract 3 from both sides of the equation before taking the square root of both sides to obtain the inverse function.

Step-by-step explanation:

I hope this helps you :)

<em><u>-KeairaDickson</u></em>

8 0
3 years ago
A movies rental company deducts $7 from Serena’s account every month for a year. After 1 year , how much do movie rental fees ch
oksano4ka [1.4K]

Answer:

She's been charged 84 dollars

Step-by-step explanation:

Let's call each month m

if every month it deducts 7 dollars, then to find how much has been charged after a year, we do

-7 * 12 = -84

5 0
3 years ago
Simplify: -5 + 3a +<br> 6 - 4a.
MatroZZZ [7]

Answer:

-a+11

Step-by-step explanation:

hard to explain. but should be correct

4 0
3 years ago
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