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Anit [1.1K]
2 years ago
9

PLEASE ANSWER THIS ALSO!!!​

Mathematics
1 answer:
Oxana [17]2 years ago
6 0

Answer:

Options (A), (C) and (E)

Step-by-step explanation:

Given equation is,

-3x + 7 = -5 + x

-3x + 7 - 7 = -5 + x - 7

-3x = -5 + x - 7 Option (C)

-3x = x - 12

-3x - x = -12

-4x = -12 Option (A)

4x = 12 Option (E)

\frac{4x}{4}=\frac{12}{4}

x = 3

Therefore, Options (A), (C) and (E) are the correct options.

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A local technical school has 856 students. They expect 700 guests for a special speaker. The custodian has set up 1,500 chairs.
Delicious77 [7]

Answer:

56 chairs

Step-by-step explanation:

856+700=1556    <--- expected count

chairs set up= 1500

1556-1500= 56 more chairs

4 0
3 years ago
Read 2 more answers
If sine theta equals three over four, what are the values of cos θ and tan θ?
ratelena [41]

Answer:

In words, Cosine theta equals plus or minus square root of seven over 4,tangent theta equals plus or minus  three over root seven

Step-by-step explanation:

Given that sin ∅ =3/4 It means the ratio of the opposite side to the hypotenuse side is 3:4.

Using the Pythagoras theorem we can calculate the hypotenuse adjacent as follows.

a²+b²=c²

a²=c²-b²

a²=4²-3²

a²=16-9

a²=7

a=√7

Then Cos ∅= opposite/ adjacent

=√7/4

Then Tan ∅ = opposite/adjacent

=3/√7

In words, Cosine theta equals plus or minus square root of seven over 4,tangent theta equals plus or minus  three over root seven.

7 0
3 years ago
What is 3/4 divided by 1/4
Over [174]

Answer:

3

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which property was used to simplify the expression?
Alex Ar [27]
Inverse Property, I am pretty sure. Not sure though.
7 0
2 years ago
Read 2 more answers
Find the perimeter of the window to the nearest hundredth.<br><br> also how do you do it?
k0ka [10]

  • <em>I am assuming the picture is of a stained glass window in the shape of a semicircle</em>.

Answer: 7.71 feet.

Step-by-step explanation: <em>The formula for finding the circumference of a circle is \frac{1}{2} π × d + d.</em>

The diameter is 3 feet. Substitute this into the equation:

\frac{1}{2} π × 3 + 3.

Solve -

3.14 × 3 = 9.42

\frac{1}{2} of 9.42 = 4.71

4.71+3 = 7.71

Round -

The answer is already rounded.

Hope this helped!~

6 0
3 years ago
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