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4 years ago

7

A diver needs to descend to a depth of 100 feet. She wants to do it in 5 equal descents. How far should she travel in each desce

nt?

1 answer:

Fofino [41]4 years ago

3 0

Answer:

20 feet

Step-by-step explanation:

5 descent =>100 feet

1 descent => 100÷5

= 20 descent

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Use the quadratic f(x)=x²+3x-4 and use any method to solve for the Zeros. Use the same function to solve for x when y is 6. F(x)

Katyanochek1 [597]

Answer:

a) $f(x) = (x+4)\cdot (x-3)$ , b) $x = -5$ or $x = 2$ , c) $x \approx 2.531$ or $x \approx -5.531$

Step-by-step explanation:

a) The function is solved by factorization:

$f(x) = (x+4)\cdot (x-3)$

b) The function has the following form:

$x^{2} + 3\cdot x - 4 = 6$

$x^{2} + 3\cdot x - 10 = 0$

The roots of the polynomial are found by factorization:

$(x+5)\cdot (x-2) = 0$

$x = -5$ or $x = 2$

c) The function has the following form:

$x^{2} + 3\cdot x - 4 = 10$

$x^{2} + 3\cdot x - 14 = 0$

The roots of the polynomial are determined by the General Formula for the Second-Order Polynomial:

$x_{1} = \frac{-3+\sqrt{3^{2}-4\cdot (1)\cdot (-14)}}{2\cdot (1)}$

$x_{1} \approx 2.531$

$x_{2} = \frac{-3-\sqrt{3^{2}-4\cdot (1)\cdot (-14)}}{2\cdot (1)}$

$x_{2} \approx -5.531$

8 0

4 years ago

giving brainliest and if u cant read down it says: if the spinner is spun 540 times throughout the day, how many dog or cat toys

Nataliya [291]

Answer:

324/540 cats and dogs should be expected to be given away

Step-by-step explanation:

First, write the fraction of the cats on the spinner plus the dogs on the spinner.

$\frac{4}{10} + \frac{2}{10} = \frac{6}{10}$

Now, we have to make the denominator 540 but we have to make it equal so you divide.

540 ÷ 10 = 54

So, our fraction should look like this.

$\frac{x}{540}$

Now, multiply 6 × 54 = 324

$\frac{324}{540}$ is our answer

Have a great day!

6 0

3 years ago

Can you please help me with this

Rina8888 [55]

The formula to find the volume multiplies the length by the width by the height, so length is 7, the width is 2 and the height is 3.

7×2×3= 42

42 cubic units.

7 0

3 years ago

Read 2 more answers

So which would be the answer?

kolezko [41]

The answer will be c

6 0

3 years ago

Read 2 more answers

Thelearningodyssey.com/gatekeeper.aspx?INTERNAL=SESSION

Alika [10]

Answer:

Ok

Explanation:

8 0

3 years ago