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Dafna11 [192]
3 years ago
12

Evaluate the following expression if a = -6, b = 2/3 and c = -5.5 : -ab - ac

Mathematics
2 answers:
11111nata11111 [884]3 years ago
3 0

Answer:

-29

Step-by-step explanation:

-ab-ac

= -(-6)(2/3)-(-6)(-5.5)

=4-33

= -29

TiliK225 [7]3 years ago
3 0

Answer:

-29

Step-by-step explanation:

-ab - ac

a = -6, b = 2/3 and c = -5.5

Substitute these values into the equation

- (-6) * 2/3 - (-6) (-5.5)

Negative negatives are positive

6 *2/3 +6(-5.5)

Multiply and divide

4 -33

Add and subtract

-29

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Which expression is equivalent to 3x-4+2(2+4x)
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First distribute the 2(2+4x)

3x-4+4+8x

then just combine like terms.

8+11x

therefore

3x-4+2(2+4x)=8+11x<span />
6 0
3 years ago
What is the answer for this math problem
Ulleksa [173]
X=75
y=75
z=105
as you do 42 + 63=105


5 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST FOR CORRECT ANSWER!
kompoz [17]

Answer: the third option is the correct answer

Step-by-step explanation:

From the given right angle triangle,

The hypotenuse of the right angle triangle is 16√3

With m∠30 as the reference angle,

the adjacent side of the right angle triangle is x.

the opposite side of the right angle triangle is y.

To determine x, we would apply

the cosine trigonometric ratio.

Cos θ, = adjacent side/hypotenuse. Therefore,

Cos 30 = x/16√3

√3/2 = x/16√3

x = √3/2 × 16√3 = 3 × 8

x = 24

To determine y, we would apply

the Sine trigonometric ratio.

Sin θ, = opposite side/hypotenuse. Therefore,

Sin 30 = y/16√3

1/2 = y/16√3

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4 0
3 years ago
The sum of three consecutive odd integers is 18
DIA [1.3K]

Answer: If x =7, then x + 2 = 9 and x + 4 = 11. These are your three consecutive odd integers.

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4 0
3 years ago
A farmer has both pigs and chickens on his farm there are 78 fee and 27 heads how many pigs and how many chickens are there
Andre45 [30]
Assuming health non-mutated animals:
Feet = 4*Pigs + 2*Chickens
Heads = Pigs + Chickens

By back substitution:
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Then:
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To check:
Feet = 4*Pigs + 2*Chickens
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78 = 78 CHECKS
6 0
3 years ago
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