Ask question

Ask question

All categories

2 years ago

8

Maggie is x years old. Her brother Demarco is 4 years older than her. Anna is 3 times as old as Demarco. Write and simplify an e

xpression that represents Anna's age. Explain.

1 answer:

Mazyrski [523]2 years ago

8 0

Maggie is x
Demarco is 4 + x
Anna is 3 * (4 + x)

You might be interested in

Please help me, eshay lad

AfilCa [17]

Answer:

122.5 cm²

Step-by-step explanation:

Area of this trapezium:

1/2 × 35 × 7

= 245/2 = 122.5 cm²

6 0

2 years ago

Read 2 more answers

Nathan is going to invest in an account paying an interest rate of 4.8% compounded continuously. How much would Nathan need to i

Elena-2011 [213]

Answer:

you would just 4.8 x how many years

Step-by-step explanation:

4 0

3 years ago

The cost (in dollars) of a custom made sweatshirt is represented by 3.5n +29.99, where n is the number of different colors in th

juin [17]

Answer:

$52.5n+449.85$

Step-by-step explanation:

The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:

$15(3.5n+29.99)\\=15(3.5n+29.99)\\=15(3.5n)+15(29.99)\\=52.5n+449.85$

This is the expression that represents the cost of 15 sweatshirts.

8 0

2 years ago

Suppose Josh drives the 45 miles from Appleton to Berwyn at the constant speed of 30 miles per hour. On the return trip, he driv

Bas_tet [7]

Avarage speed is (60+30)/2 = 45 miles per hour

bot is the same , Do not think so it is a right question.

8 0

2 years ago

Which expression uses the greatest common factor and

Andrews [41]

It’s A
Cuz 16 \ by 2 is 8 and 36/ by 2 is 18

7 0

3 years ago