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Alenkasestr [34]
3 years ago
7

Simplify (9 + 8 – 6)(4 – 5).

Mathematics
2 answers:
Nesterboy [21]3 years ago
7 0

Answer:

<h2>-11</h2>

Step-by-step explanation:

Use PEMDAS

P Parentheses first

E Exponents

MD Multiplication and Division

AS Addition and Subtraction

P

<em>(9 + 8 - 6)(4 - 5) = (17 - 6)(-1) = (11)(-1)</em>

M

<em>= -11</em>

Temka [501]3 years ago
5 0

Answer:

The answer would be - 11.

Step-by-step explanation:

9 + 8 = 17

17 - 6 = 11.

4 - 5 = 4 + - 5 = - 1

11(- 1) = 11 × - 1 = - 11

Therefor, your answer would be - 11.

Hope this helps!

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Help picture below problem 12
inysia [295]

Answer:

124°

Step-by-step explanation:

Not the best at explaining but should be equal to 180 straight across. You have to find the missing angle. You know the right angle is 90° so you will add 34° to get 124°. 180-124 will get you 56°. Straught across you have the angle that you are trying to find which is 124° because 180-56 is 124.

8 0
2 years ago
Can someone please help me out! and please explain your answer, and how you got it right! thank you so much!
Contact [7]

It is

24x - 30

The equation for area of a trapezoid is

\frac{1}{2} (a + b) \times h

Substituting our values in

\frac{1}{2} (3x + 7 + 5x - 3) \times 6

We can then simplify the expression

\frac{1}{2} (8x - 10) \times 6 \\ (4x - 5) \times 6 \\ 24x - 30

8 0
3 years ago
The world record for the greatest temperature range recorded in one day occurred in Browning,Montana in 1916.The temperature fel
zhannawk [14.2K]

Answer:

-100 F

Step-by-step explanation:

8 0
3 years ago
The sum of all but one interior angle of a heptagon is 776°. what is the measure of the final interior angle? 42º 56º 124º 304º
Mekhanik [1.2K]

A heptagon has seven sides. The measure of the final interior angle of the heptagon is 124°.

<h3>What is heptagon?</h3>

A heptagon, sometimes known as a septagon, is a seven-sided polygon. The heptagon is also known as the septagon, which combines the prefix "sept-" with the Greek suffix "-agon," which means "angle."

A heptagon has 7 sides therefore, the sum of the interior angle of the heptagon can be written as,

\text{Sum of intetrior angles of a polygon with n sides} = (n-2)\times 180^o\\\\\text{Sum of all the angle of heptagon} = (7-2) \times 180^o = 900^o

As it is said in the problem that the sum of the all the angles of the heptagon  except one is 776°, therefore, the measure of the last angle of the heptagon is,

The measure of the last angle = 900° - 776° = 124°

Hence, the measure of the final interior angle of the heptagon is 124°.

Learn more about Heptagon:

brainly.com/question/12630702

3 0
2 years ago
Read 2 more answers
Consider the system of equation
ivanzaharov [21]

Answer:

firt thing i would do is take out things that are alike but if these are the options then i would a) multiply the first equation by -1

4 0
2 years ago
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