2 years ago

Which questions have an answer of -5?

Mathematics

1 answer:

Rudiy272 years ago

6 0

Answer:

A - y= 7/5 + -7/5

B- y=-5x+4

C- I cant see the other number

D- y= -5x-3

E- y=3x+15

F- y=-5x-4

Step-by-step explanation:

I think its B,D,F

sorry If its wrong!

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F(x) = -x^3+ 6x – 7 at x = 2

vodomira [7]

Answer:

f(2)= -4

Step-by-step explanation:

f(x)= -x^3 + 6x - 7

f(2) = -2^3 + 6*2 - 7

f(2)= -8 +12 -7

f(2)= 3-7

f(2)= -4

4 0

3 years ago

Use f(x)=1/2x and f^-1(x)=2x to solve the problems f^1(-2), f(-4), f(f^-1(-2)?

neonofarm [45]

F^1(-2) = 2(-2) = -4
f(-4) = 1/2 * -4 = -2

f(f^-1(x)) = x so answer is -2

8 0

3 years ago

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I need help with this one exercise to finish so any help would be greatly appreciated!

Elodia [21]

Answer:

No Solutions

Step-by-step explanation:

for |4x -3| + 10 < 2

|4x - 3| < -8

Not possible since absolute value is positive

4 0

2 years ago

–3x + 1 + 10x = x + 4

Gnom [1K]

Answer:

Exact fraction form: 1/2 Decimal form: 0.5

8 0

3 years ago

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In ΔABC, A= 30, B=120 and a= 6cm. Find the value of b, correct to 1 decimal place

ludmilkaskok [199]

Answer:

About 10.4 cm

Step-by-step explanation:

By the Law Of Sines:

$\dfrac{6}{\sin 30}=\dfrac{b}{\sin 120} \\\\\\b=\dfrac{6}{\sin 30}\cdot \sin 120\approx 10.4\text{ cm}$

Hope this helps!

5 0

3 years ago