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2 years ago

Number 1 is the question

Mathematics

1 answer:

ozzi2 years ago

3 0

You’ll have to adjust the plotting a bit to fit your graph that you have, but this is the main idea.

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A driver was at 60m below sea level. the driver swam up 2m every 5 seconds.explain whether the driver would have reached the sea

Luda [366]

Answer: No

Step-by-step explanation:

The diver is at 60m below sea level, and swims upward 2m every 5 seconds.

So, since there are 24 five-second periods in 2 minutes (60secs/min), the diver would have swam up 48m after 2 minutes.

Since 60m - 48m is 12m, the diver has not yet reached the sea surface.

Hope it helps :)

7 0

3 years ago

Solve the inequality (2)

Yuki888 [10]

Hi,

$\dfrac{2c}{3}+1\ \textgreater \ 7\\\\3\times\left(\dfrac{2c}{3}+1\right)\ \textgreater \ 3\times7\\\\2c+3\ \textgreater \ 21\\2c\ \textgreater \ 21-3\\2c\ \textgreater \ 18\\\\c\ \textgreater \ \dfrac{18}{2}\\\\c\ \textgreater \ 9$

5 0

3 years ago

Read 2 more answers

200% of 34 is what number

Debora [2.8K]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Tammy is buying a soft toy from a shop. The cost of the toy is 9 dollars and she also has to pay a sales tax that is 15% of the

JulsSmile [24]

Answer: I choose B and A.

Step-by-step explanation:

B because it shows how to divide and then multiplies x by 15 to get the answer. A because it divides 9 by 100 and then it shows x and 15 percent plus One more.

7 0

3 years ago

Which values of c will cause the quadratic equation –x2 3x c = 0 to have no real number solutions? check all that apply.

nika2105 [10]

The given quadratic equation will not have any real solution for c<-9/4.

The given quadratic equation is:

$-x^{2} +3x+c=0$

<h3>What is a quadratic equation?</h3>

Any equation of the form $ax^{2} +bx+c=0$ is called a quadratic equation with a≠0.

In order to have no real solution, the discriminant of a quadratic equation will be less than zero.

$D < 0$

$3^{2} -4(-1)(c) < 0$

$9+4c < 0$

$c < -\frac{9}{4}$

For $c < -\frac{9}{4}$ the given quadratic equation will have no real solutions.

Hence, the given quadratic equation will not have any real solution for c<-9/4.

To get more about quadratic equations visit:

brainly.com/question/1214333

5 0

2 years ago