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3 years ago

Stuffed animals each weighing 1/4 pound are on a scale.the scale shows 1-1/2 pounds how many stuffed animals are on the scale?

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

5 0

Answer:

Step-by-step explanation:

if its 1&1/2 then it would be 6

Alexandra [31]3 years ago

4 0

Answer:

6 stuffed animals!

Step-by-step explanation:

This is the answer because: 1/4+1/4=1/2

and, 1/4+1/4+1/4+1/4=1 cup! put them together and you get your answer :D

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In any given year, a factory has a 20% probability of having an accident. About every how many years might the factory expect to

MAXImum [283]

Answer:

Probability of having an accident = 20% o 0.2

Thus,

Expected number of years = 1/probability of accident = 1/0.2 = 5

Hence,

3. Every 5 years is the correct option.

Step-by-step explanation:

3 0

3 years ago

How to to this?<br>Can you please help?<br>1.A

eimsori [14]

First you need to expand them
(x^2 + 9) + (2x + 6)
then you add them together

x^2 + 2x + 15
now you can factorise it

i hope this helped you

8 0

4 years ago

A positive real number is 2 less than another. When 4 times the larger is added to the square of the smaller, the result is 49.

Kobotan [32]

Answer:

The numbers are

$-2+3\sqrt{5}$ and $3\sqrt{5}$

Step-by-step explanation:

Let

x -----> the smaller positive real number

y -----> the larger positive real number

we know that

A positive real number is 2 less than another

$x=y-2$

$y=x+2$ ----> equation A

When 4 times the larger is added to the square of the smaller, the result is 49

$4y+x^2=49$ ----> equation B

substitute equation A in equation B

$4(x+2)+x^2=49$

solve for x

$x^2+4x-41=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^2+4x-41=0$

$a=1\\b=4\\c=-41$

substitute in the formula

$x=\frac{-4\pm\sqrt{4^{2}-4(1)(-41)}} {2(1)}$

$x=\frac{-4\pm\sqrt{180}} {2}$

$x=\frac{-4\pm6\sqrt{5}} {2}$

$x=-2\pm3\sqrt{5}$

The positive real number is

$x=-2+3\sqrt{5}$

Find the value of y

$y=x+2$

$y=-2+3\sqrt{5}+2$

$y=3\sqrt{5}$

6 0

4 years ago

Help with this math equation please help

Alex787 [66]

Answer:

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because the number of their mean merits received is higher than that girls.

Step-by-step explanation:

Mean = $\frac{sum of merits}{number of merits}$

Sum of merits received by boys = 5 + 10 + 19 + 22 + 13 + 10 + 1

= 80

number of merits = 7

Mean number of merits received by boys = $\frac{80}{7}$

= 11.4286

The mean number of merits received by boys is 11.4

Sum of merits received by girls = 6 + 11 + 15 + 16 + 12 + 10 + 0

= 70

number of merits = 7

Mean number of merits received by girls = $\frac{70}{7}$

= 10.0

The mean number of merits received by girls is 10.0

Therefore,

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because their mean merits is higher than that girls.

4 0

3 years ago

Are these angles Supplementary or Complementary

gregori [183]

Answer:

they are suplementary

Step-by-step explanation:

because no right angle and less then 90 degrees

7 0

3 years ago

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