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3 years ago

Help plssssssssssssssss

Mathematics

2 answers:

Tomtit [17]3 years ago

4 0

1. C
2. B
Good luck with the rest

Korolek [52]3 years ago

4 0

The answer has to be c

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132° 78° 2x° solve for x

Assoli18 [71]

Probably angles of a triangle

$\\ \sf\longmapsto 2x+78+132=180$

$\\ \sf\longmapsto 2x+210=180$

$\\ \sf\longmapsto 2x=|-30|=30$

$\\ \sf\longmapsto x=15°$

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3 years ago

Below there are graphs of some inverse proportions. What function each one represent?

AysviL [449]

Answer:

y = 15/x

Step-by-step explanation:

An inverse proportion has the equation ...

y = k(1/x) . . . . k is the constant of proportionality

Solving for k, we find ...

k = xy

The coordinates of the given point can be used to find k:

k = (3)(5) = 15

Then the equation of the graph is ...

y = 15/x

3 0

2 years ago

There are 7 ushers and 11 technicians helping at the Harper Middle School fall play.

bearhunter [10]

Answer:

<h3>The ratio of technicians to all helpers is 11 : 7, or $\frac{11}{7}$ or 11 to 7.</h3>

Step-by-step explanation:

Given that there are 7 ushers and 11 technicians helping at the Harper Middle School fall play.
Let x be the number of ushers ( or helpers ).
Therefore x=7 helpers.
Let y be the number of technicians.
Therefore y=11 technicians.

<h3>To find the ratio of technicians to all helpers :</h3>

That is to find the ratio of y to x.

We can write the ratio of technicians to all ushers(helpers) as y : x

Which implies that 11 : 7, (since y=11 and x=7)

Or $\frac{11}{7}$ or 11 to 7

<h3>The ratio of technicians to all helpers is 11 : 7, or $\frac{11}{7}$ or 11 to 7</h3>

4 0

4 years ago

Solve:<br> 13/19- (-1/19)

zhannawk [14.2K]

It’s c I hope it works

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3 years ago

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miss Akunina [59]

She should pay $6.80

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3 years ago

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