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notsponge [240]
2 years ago
8

Please help!! Thanks Solve for a. 6a–5=7+8a

Mathematics
2 answers:
IRISSAK [1]2 years ago
6 0

Answer:

-6

Step-by-step explanation:

6a - 5 = 7 + 8a

6a - 8a = 7 + 5

-2a = 12

a = 12/-2

a = -6

Hope it helps:)

Nikitich [7]2 years ago
4 0
A=-6

6a-5=7+8a
Move the terms
6a-8a=7+5
Collect like terms
Calculate
-2a=12
Divide both side
a=-6
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F(x) = 3x<br> g(x) = x2 – 5x - 9<br> Find (fºg)(x).
Eddi Din [679]

Answer:

\boxed{(f.g)(x) = 3 {x}^{3}  - 15 {x}^{2}  - 27x}

Given:

f(x) =  x + 2 \\  \\ g(x) =  3x + 5

To Find:

(f.g)(x) = f(x) \times g(x)

Step-by-step explanation:

=  > f(x) \times g(x) = (3x)( {x}^{2}  - 5x - 9) \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = (3x \times  {x}^{2} ) - (3x \times 5x) - (3x \times 9)\\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 3 {x}^{3}  - 15 {x}^{2}  - 27x

8 0
3 years ago
The product of five rational numbers is positive. At most,_______ of these rational numbers can be negative.
Alik [6]

Answer:

three

Step-by-step explanation:

5 0
3 years ago
What are the next two numbers in this pattern? 5, –30, 180, –1080, . . .
Amiraneli [1.4K]

6480 is the next one, and the second next one is -38880. You can determine this by multiplying the number twice by 36.

4 0
3 years ago
Read 2 more answers
Help asap please ----------------
melomori [17]

Answer:

-1 Not in domain

0 In domain

1 In domain

Step-by-step explanation:

The domain for the square root function is all positive numbers including (0). The domain is the set of real numbers which when substituted into the function will produce a real result. While one can substitute a negative number into the square root function and get a result, however, the result will be imaginary. Therefore, the domain for the square root function is all positive numbers. It can simply be expressed with the following inequality:

x\geq0

Therefore, one can state the following about the given numbers. Evaluate if the number is greater than or equal to zero, if it is, then it is a part of the domain;

-1 => less than zero; Not in domain

0 => equal to zero; <em> </em>In domain

1  => greater than zero: In domain

4 0
2 years ago
How do i do this plz help
e-lub [12.9K]

Answer:

its 60 bc 6-2÷180

4÷180=45

8 0
3 years ago
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