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goblinko [34]
2 years ago
13

A toddler was given 12 boxes of crayons, each of which contained 12 crayons. Within a week, he eventually lost half of the crayo

ns and broke a quarter of the remaining crayons. How many intact crayons did the toddler have at the end of the week?​
Mathematics
2 answers:
Genrish500 [490]2 years ago
8 0

Answer:

18

Step-by-step explanation:

You would do 12 • 12 which gets you the number of crayons they first had, then divide by 2 which tell you how many crayons they have after losing half then divide by 4 which tell you the number they have after breaking the crayons.

Sveta_85 [38]2 years ago
6 0

Answer:

6

Step-by-step explanation:

You might be interested in
6.50 is 25$ of what number?
Ivenika [448]

Answer:

3.85

Step-by-step explanation:

6.50 goes into 25 how many times

6.50×?=25

6.50 divided by 25 = 3.846153846

Simplify

3.85

8 0
3 years ago
Which is an equation of the line that passes through (–1, –5) and (–3, –7)?
babymother [125]

Answer:

y = x - 4

Step-by-step explanation:

The line passes through (-1,-5) and (-3,-7)

The slope of a line is given by; change in y ÷ change in x

i.e slope = \frac{-7 - -5}{-3 - -1} = \frac{-2}{-2} = 1

Taking another point (x,y) on the line.

Slope will be; \frac{y - -5}{x - -1} = 1

Cross multiplying gives; y + 5 = x + 1

Simplifying this equation gives us the equation of our line which is;

y = x - 4

6 0
3 years ago
(a) What is wrong with the following equation? x2 + x − 42 x − 6 = x + 7 (x − 6)(x + 7) ≠ x2 + x − 42 The left-hand side is not
jeka94

Answer:

Attached please find answer

Step-by-step explanation:

= (x² + x - 42) / (x - 6)

= [x² + (7x - 6x) - 42] / (x - 6)

= [x² + 7x - 6x - 42] / (x - 6)

= [(x² + 7x) - (6x + 42)] / (x - 6)

= [x(x + 7) - 6(x + 7)] / (x - 6)

= [(x + 7)(x - 6)] / (x - 6)

= x + 7 → when x approches 6

= 6 + 7

= 13

Other method:

Lim   (x² + x - 42) / (x - 6)

x→ 6

When x → 6, there is an indeterminate expression because: 6 - 6 = 0

Do you know the l'Hôpital's rule, when x → a:

Lim [ f(x) / g(x) ] = Lim [ f'(x) / g'(x) ]

f(x) = x² + x - 42

f'(x) = 2x + 1

g(x) = x - 6

g'(x) = 1

= f'(x) / g'(x)

= (2x + 1)/1

= 2x + 1 → when x approches 6

= 12 + 1

= 13

3 0
2 years ago
Please can anyone help me out!!​
Yuki888 [10]

Answer:

1.39 m

Step-by-step explanation:

sin 63 = x/13.5 (x = CD)

sin 52 = x/13.5 (x=AC)

take the difference between the two

6 0
3 years ago
1/4 is to 2/3 as x is to 3/3?
ZanzabumX [31]

Answer: I think 59/100

Thank you for asking and hope this helps - report if it's wrong.

7 0
3 years ago
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