2 years ago

What are the solutions of the equation 4x2 + 3x = 24 – x?

Mathematics

1 answer:

Nitella [24]2 years ago

8 0

Answer:

-3 or 2

Step-by-step explanation:

just did it on edge 2022 :)

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vivado [14]

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7 0

2 years ago

A recent poll of 700 people who work indoors found that 278 smoke. if the researchers want to be 98% confident of their results

Mice21 [21]

Answer:

We are given:

$\hat{p}=\frac{278}{700}=0.397$

$z_{\frac{0.02}{2}}=2.33$ is the critical value at 0.02 significance level

$E=0.035$ is the margin of error

Therefore, the required sample size is:

$n=\hat{p}(1-\hat{p}) \left(\frac{z_{\frac{0.02}{2}} }{E} \right )^{2}$

$=0.397(1-0.397) \left( \frac{2.33}{0.035} \right)^2$

$=0.239391 \times 4431.755102$

$=1060.922286 \approx 1061$

Therefore, the required sample size n = 1061

5 0

3 years ago

9+10=21 true or false

Oksana_A [137]

Answer:

False

Step-by-step explanation:

9+10=19. 10

——

4 0

3 years ago

Read 2 more answers

Solve for x using the given information. Explain your steps.

baherus [9]

6x + ( 3x - 9) = 90°( being complementary angles )

6x+3x -9 = 90°

9x = 90° + 9

x = 99 / 9

x = 11

4 0

2 years ago

What is the complete square of x^2-8x-1=8

Veronika [31]

Answer:

x=9,-1

Step-by-step explanation:

3 0

2 years ago