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irinina [24]
3 years ago
10

Help me with an answer i'm bad doing maths​

Mathematics
2 answers:
kow [346]3 years ago
7 0

Answer:

3(x+5)=3x+a

3x+15=3x+a

a=3x-3x+15

<em>a=+15</em> ........ans

levacccp [35]3 years ago
6 0

Answer:

3(x+5)≡3x +a

3x + 15≡ 3x +a ⇒ a=15

I hope you understood!

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Solve for x.
kirill115 [55]

How to get answer:

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3 years ago
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How many times does the graph of 4x = 32 - x2 cross the x-axis ?
Molodets [167]

Answer:

x=4 orx=- 8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4

x

=

−

x

2

+

32

Step 2: Subtract -x^2+32 from both sides.

4

x

−

(

−

x

2

+

32

)

=

−

x

2

+

32

−

(

−

x

2

+

32

)

x

2

+

4

x

−

32

=

0

Step 3: Factor left side of equation.

(

x

−

4

)

(

x

+

8

)

=

0

Step 4: Set factors equal to 0.

x

−

4

=

0

or

x

+

8

=

0

x

=

4

or

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−

8

5 0
3 years ago
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What would be the answer to this ?
djyliett [7]

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-4m^4 + m^3 + 4m + 5

The answer is B

3 0
3 years ago
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