3 years ago

Solve for each missing side

Mathematics

1 answer:

vredina [299]3 years ago

4 0

1. 8.4 or 8
2. 5.6 or 6

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F(x)=2x^2-5;find when f(x)=-7

Daniel [21]

Answer:

x=i or no solution exists depending on the user's grade

Step-by-step explanation:

f(x) = 2x^2-5

-7 = 2x^2-5

-2 = 2x^2, x^2=-1, x=i

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What is -21% as a decimal

AnnZ [28]

Answer:

− 0.21

Step-by-step explanation:

Convert to a fraction, then convert to a decimal by dividing the numerator by the denominator.

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3 years ago

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Svetllana [295]

2x8x40=$160 which is the labour cost
revenue=$2000
therefore the labor cost as a percentage of Revenue is ($160/$2000) x 100
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8 0

3 years ago

Find p(0),p(1),p(-1) and p(2) of the 3x(x-2)

Effectus [21]

Answer:

make x→0

$p(0)=(0)^{2}-3(0)+2$

→ $p(0)=0+0+2$

→ $p(0)=2$

$------$

Replace x→-1

$p(-1)=(-1) ^{2} -3 (-1)+2$

→ $p(-1)=1-3+2$

→ $p(-1)=0$

$----------$

Now make x→2

$p(2)=(2) ^{2} -3(2)+2$

→ $p(2)=4-6+2$

→ $p(2)=0$

$Answer:-2,0,0$

$-----------$

hope it helps...

have a great day!!

5 0

3 years ago

Help anybody? If so thanks

777dan777 [17]

Acute angle and a right angle makes a obtuse I learned this in 4th

4 0

3 years ago