Ask question

Ask question

All categories

3 years ago

13

Mrs.Duncan measured the lengths of a crayon and a pencil. The pencil is twice as long as the crayon. The sum of their lengths is

24 cm. What are their lengths ?

1 answer:

agasfer [191]3 years ago

5 0

Answer:

crayon- 8cm pencil-16cm

Step-by-step explanation:

if the crayon is 8, and the pencil is doubled(8x2) that's 16

8+16=24, add them together for the sum

You might be interested in

Does America live up to its core values?

Trava [24]

Answer:

no lol

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

95 POINTS! PLEASE HELP <br> See picture for true or false math problems. Solve all please

givi [52]

Answer:

1) True

2) True

3) False

4) True

5) True

Step-by-step explanation:

1) -2《3 - 3

-2《0

-2》-3 - 2

-2》-5

2) 4 > -3 + 3

4 > 0

4 > 1 + 2

4 > 3

3) -2《0 - 6

-2《-6 is false

4) 0 - 3 < 4

-3 < 4

0 + 3 > -1

3 > -1

5) 0 > -6 - 3

0 > -9

0 < 3 + 6

0 < 9

4 0

3 years ago

Which of the following is a Pythagorean triple?

Irina-Kira [14]

D because (5^2)= 25 + (12^2)=144 = 169. (13^2)=169. 25+144=169

7 0

2 years ago

Read 2 more answers

I need help I don't understand this

Naddik [55]

Answer:

x = 2

Step-by-step explanation:

-3 +6x = 25 -8x

Add 8x to each side

-3 +6x+8x = 25 -8x=8x

-3+14x = 25

Add 3 to each side

-3+3+14x = 25+3

14x = 28

Divide by 14

14x/14 = 28/14

x = 2

8 0

3 years ago

Read 2 more answers

If 9^(1 - x) =27^Y and x-y equals to -11 / 2 find the value of x + y

777dan777 [17]

Answer:

x = -2.9

y = 2.6

x+y = -2.9+2.6

= -0.3

8 0

3 years ago