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liubo4ka [24]
2 years ago
6

Someone help PLEASE

Mathematics
1 answer:
Iteru [2.4K]2 years ago
7 0

Answer:

<h2>Q4. (-7)</h2><h2>Q5. (-8)</h2>

Step-by-step explanation:

The perfect square:

(a+b)^2=a^2+2ab+b^2

Q4

We have

y^2+14y+49=0\\\\y^2+2(y)(7)+7^2=0\\\\(y+7)^2=0\iff y+7=0\qquad\text{subtract 7 from both sides}\\\\\boxed{y=-7}

Q5

We have

y^2+16y+64=0\\\\y^2+2(y)(8)+8^2=0\\\\(y+8)^2=0\iff y+8=0\qquad\text{subtract 8 from both sides}\\\\\boxed{y=-8}

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The answer ............
suter [353]

Answer:

f^-1(x) = ( x + 6 )/4

Step-by-step explanation:

f(x) is the same as...y = 4x + 6....and then try to make x the subject of formula

y + 6 = 4x

x = (y + 6)/4....then when writing f^-1(x)...replace y with x

f^-1(x) = ( x + 6 )/4

3 0
3 years ago
Raleigh went to a gaming arcade for his birthday. His parents gave him $55 to spend. He purchased $14.25 in food and drinks, and
xenn [34]

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Total amount to spend = $55

Amount of food and drinks purchased = $14.25

Amount put on gaming card = $(55 - 14.25) = $40.75

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= $40.75 / $1.25

= 32.6 games

g ≤ 32

6 0
2 years ago
Integer addition and subtraction<br> 3+(-8)=
Dahasolnce [82]

The answer is -5 ww

The parenthesis doesnt matter

6 0
3 years ago
17 plus p divided by 8 make this into a equation
tangare [24]
17+p÷8=?

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your welcome^-^
6 0
2 years ago
Read 2 more answers
What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?
Marina CMI [18]
The first step to getting this in vertex form would be to put this in proper standard form. This is so that you can split the middle term which is a step of completing the square. 
7 0
3 years ago
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