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Lera25 [3.4K]
3 years ago
9

What fraction is the same as 10x1/2

Mathematics
2 answers:
stich3 [128]3 years ago
6 0

Answer: 5/1

Step-by-step explanation:

just add the one under the 5

RSB [31]3 years ago
3 0

Answer:

10 x 1/2 = 5

Step-by-step explanation:

Put the ten on the 1. 10 x 1 = 10

And then 10/2. U divide. Then now its 5.

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A family has two children. When asked if he has at least one daughter named Ann, the fatherreplies, "Yes." What is the probabili
Leviafan [203]

Answer:

33.3% probability that both children are girls, if we know that the family has at least one daughter named Ann.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The family has two children.

The sample space, that is, the genders of the children may be divided in the following way, in which b means boy and g means girl.

b - b

b - g

g - b

g - g

We know that they have at least one girl. So the sample space is:

b - g

g - b

g - g

What is the probability that both children are girls, if we know that the family has at least one daughter named Ann?

Desired outcomes:

Both children being girls, so

g - g

1 desired outcome

Total outcomes

b - g

g - b

g - g

3 total outcomes

Probability

1/3 = 0.333

33.3% probability that both children are girls, if we know that the family has at least one daughter named Ann.

4 0
3 years ago
F(x)=(x-6)e^-3x find the interval in which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema
Over [174]
\bf f(x)=(x-6)e^{-3x}\\\\
-----------------------------\\\\
\cfrac{dy}{dx}=1\cdot e^{-3x}+(x-6)-3e^{-3x}\implies \cfrac{dy}{dx}=e^{-3x}[1-3(x-6)]
\\\\\\
\cfrac{dy}{dx}=e^{-3x}(19-3x)\implies \cfrac{dy}{dx}=\cfrac{19-3x}{e^{3x}}

set the derivative to 0, solve for "x" to get any critical points
keep in mind, setting the denominator to 0, also gives us critical points, however, in this case, the denominator will never be 0, so... no critical points from there

there's only 1 critical point anyway, and do a first-derivative test on it, check a number before it and after it, to see what sign the derivative has, and thus, whether the graph is going up or down, to check for any extrema
5 0
3 years ago
Explain why 0.3 x 0.9 doesn't equal 2.7
-BARSIC- [3]

Answer:

equals 0.27

because of the 0

Step-by-step explanation:

8 0
3 years ago
The area of Tracy's backyard is 1 1/3 acres she plants a garden that take up 1/3 of the backyard what area in acres of the garde
attashe74 [19]

Answer:

\frac{4}{9}\ acres

Step-by-step explanation:

step 1

we know that

The area of Tracy's backyard is 1\frac{1}{3}\ acres

Convert to an improper fraction

1\frac{1}{3}=\frac{3*1+1}{3}=\frac{4}{3}\ acres

step 2

To find the area of the garden, multiply the area of the backyard by 1/3

so

\frac{4}{3}(\frac{1}{3})=\frac{4}{9}\ acres

3 0
3 years ago
Oaklands zoo has two elephants. The male elephant weighs 3/4 a ton and the female elephant weighs 1/4 of a ton. How much does th
SOVA2 [1]

so if you take away 1/4 from 3/4 you will get 2/4

3/4 - 1/4 = 2/4 or 1/2

so the male elephant weights 1/2 a ton more than the female

8 0
3 years ago
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