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Helen [10]
3 years ago
10

In a survey, 250 adults and children were asked whether they know how to

Mathematics
2 answers:
ollegr [7]3 years ago
8 0

Answer:

it's 82%                    

Step-by-step explanation:

a.pex

Luden [163]3 years ago
7 0
40% u just add the 2 decimals together
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Two parallel lines are 7 units apart. If you
Sedaia [141]

Answer:

14 units

Step-by-step explanation:

We apply the <em>Theorem of reflection over parallel lines.</em>

Theorem: The composition of two reflections over parallel lines that are h units apart is the same as a translation of 2h units.

Given that the two parallel lines are 7 units apart

h=7 units

2h= 2 X 7 =14 units

Therefore, the preimage and the final image will be 14 units apart.

4 0
3 years ago
Simplify tan theta times sin theta
daser333 [38]

Answer:

tan θ × sin θ

From trigonometric identities

\tan(θ)  =  \frac{ \sin(θ) }{ \cos(θ) }

So we have

\frac{ \sin(θ) }{ \cos(θ) }  \times  \sin(θ)

We have the final answer as

\frac{ \sin(θ)^{2}  }{ \cos(θ) }

Hope this helps you

7 0
4 years ago
Give an example of why division is not commutative.
ArbitrLikvidat [17]
Example:

4 ÷ 2 = 2 but 2 ÷ 4 = 0.5

In general a ÷ b ≠ b ÷ a, then division is not commutative
4 0
3 years ago
Please helpppp!!!!!!!! And if u can show alll your work and I will give you brainliest!!
Nata [24]

Answer:

10cm, 5cm, 7cm.

Step-by-step explanation:

So basically what I did was I pretended the line was a ruler that was in centemeters, and all the lines were centimeters, so then I added it up to get my answer, as you can see in the picture

8 0
3 years ago
Read 2 more answers
Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 4 oz of chips and drank 1 cup of soda for a to
Inga [223]

Answer:

1 oz of chips has 140 mg of sodium, and 1 cup of soda has 40 mg of sodium.

Step-by-step explanation:

This question is solved by a system of equations.

I am going to say that:

x is the amount of sodium in 1oz of chips.

y is the amount of sodium in 1 cup of soda.

Bryan ate 4 oz of chips and drank 1 cup of soda for a total of 600mg of sodium.

This means that 4x + y = 600, also y = 600 - 4x

Jadyn ate 1 oz of chips and drank 4 cups of soda for a total of 300mg of sodium.

This means that:

x + 4y = 300

From the first equation, we have that y = 600 - 4x. So

x + 4(600 - 4x) = 300

x + 2400 - 16x = 300

15x = 2100

x = \frac{2100}{15}

x = 140

y = 600 - 4x = 600 - 4*140 = 40

1 oz of chips has 140 mg of sodium, and 1 cup of soda has 40 mg of sodium.

4 0
3 years ago
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