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3 years ago

Which number line shows the inequality n < -1

Mathematics

1 answer:

zlopas [31]3 years ago

5 0

Answer:number 4

Step-by-step explanation:

It shows the number which are smaller and compared them!

I hope this helps a lot and make sure to mark me as the brainliest

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* ANSWER PLS * What is the value of x?

uysha [10]

Answer: 21°

Step-by-step explanation:

Since angles DAE and CBE are inscribed on arc AC, they r equal

Hence angle CBE = 42°

So angle DAE = 42/2 = 21°

8 0

3 years ago

Find the derivative of f(x) = negative 9 divided by x at x = -8.

marusya05 [52]

Answer:

$f'(-8)=\frac{9}{64}$

Step-by-step explanation:

Given the function

$f(x)=\frac{-9}{x}$

We can rewrite it as

$f(x)=-9x^{-1}$

Now we can apply the power rule

$f'(x)=9x^{-2}$

Now we can rewrite it

$f'(x)=\frac{9}{x^{2} }$

Now we can plug in x=-8

$f'(-8)=\frac{9}{(-8)^{2} }\\f'(-8)=\frac{9}{64}$

7 0

3 years ago

Please answer these two questions for me please.

Marrrta [24]

Answer:

Step-by-step explanation:

4 0

3 years ago

Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them by putting 3 marbles

Olin [163]

Answer: $24+3r\geq100$

r=26

Step-by-step explanation:

Given: Mrs. Morton rewards her students on behave well by putting 3 marbles into a marble jar.

If the jar contains 24 marbles. and r represent the number of additional times the class is rewarded then the required equation will be

$24+3r\geq100$

If we solve it, we will get the minimum the jar contains 24 marbles.

To solve equation, subtract 24 from both sides, we get

$3r\geq100-24\\\Rightarrow3r\geq76\\\Rightarrow\ r\geq\frac{76}{3}\geq25.333\approx 26$

Hence, the minimum whole number of additional times they need to be rewarded so they can have a party=26

3 0

4 years ago

Read 2 more answers

Polynomial function that has the zeros -5 and 4i

Nadusha1986 [10]

Answer:

$P(x) = x^{2} + x(5-4i) - 20i$ is the required polynomial function of the form $ax^{2} + bx +c$

Step-by-step explanation:

The given zeroes of the polynomial is -5 and 4i.

It implies, the roots of the polynomial is (x+5) and (x-4i)

Now, The Polynomial = Product of all its roots

So, here P(x) = ( x + 5)( x - 4i)

or, $P(x) = x (x-4i) + 5(x-4i) = x^{2} - 4ix + 5x - 20i$

⇒ $P(x) = x^{2} + x(5-4i) - 20i$

Hence, P(x) is the required polynomial function of the form $ax^{2} + bx +c$

7 0

3 years ago