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3 years ago

I need help with this please.

Mathematics

2 answers:

sertanlavr [38]3 years ago

3 0

Answer:

Step-by-step explanation:

70 charges in one hour, 90 charges in two hours, 110 charges in three hours and so on

Setler79 [48]3 years ago

3 0

Answer:40

Step-by-step explanation:hope this helps you plz rate me brainest

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What dose the hypotenuse=?

Kitty [74]

Hypotenuse by Pythagoras theorem = 407.83.

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3 years ago

I need help with this will be giving 10 points

dusya [7]

Answer:

Its D

Step-by-step explanation:

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2 years ago

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Drag and drop the constant of proportionality into the box to match the table. If the table is not proportional, drag and drop "

Nikitich [7]

The table is proportional and the constant of proportionality is 1.5

Step-by-step explanation:

Proportional relationships are relationships between two variables

where their ratios are equivalent

One variable is always a constant value times the other
The relation between the two variables represented graphically by a line passes through the origin point

The table:

→ x : 0 : 2 : 4 : 6

→ y : 0 : 3 : 6 : 9

To prove that y ∝ x find the ratio between each value of y with corresponding value of x

∵ $\frac{3}{2}=1.5$

∵ $\frac{6}{4}=1.5$

∵ $\frac{9}{6}=1.5$

∴ $\frac{y}{x}=k$

∴ k = 1.5

∵ The origin point is in the table

∴ y ∝ x

∴ The table is proportional

The table is proportional and the constant of proportionality is 1.5

Learn more:

You can learn more about proportional in brainly.com/question/10708697

#LearnwithBrainly

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3 years ago

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For a standard normal distribution, which of the following expressions must always be equal to 1?

frosja888 [35]

For a standard normal distribution, the expression that is always equal to 1 is P(z≤-a)+P(-a≤z≤a)+P(Z≥a). This expression represents all of the possible values in a curve, or in other words, the total area of a curve. According to standard normal distribution, the total area of a curve is always equal to 1.

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Solve 5x-7x6=7x+6=-2(x-3)

Nata [24]

Answer:

i cannot tell where the seperate numbers are and where the x is multiplication and what numbers are negative. post it agian but put spaces in beetween.

Step-by-step explanation:

remember:

PEMDAS

P- parenthases

E- exponents

M- multiplication

D- division

A- addition

S- subtraction

note:

M, D are tied so do it left to right

A, S are tied so do them left to right

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2 years ago