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3 years ago

370 ÷ 2.5 ÷ 1.6 = 925

Mathematics

1 answer:

Delicious77 [7]3 years ago

8 0

Answer:

its 92.5, dont forget that decimal point

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YOU BE THE TEACHER Your friend finds the sum.

il63 [147K]

Answer: My friend is correct.

Step-by-step explanation:

Adding a negative is the same as subtracting a positive.

$9 + (-6) = 3$

$9 - 6 = 3$

$3 = 3$

Hope this helps! Have a great day!

5 0

3 years ago

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Solve: 16x2 − 80 = 0 Round the answer to the nearest hundredth.

Leto [7]

Answer:

x = ±2.24

Step-by-step explanation:

16x² - 80 = 0

16x² = 80 (Add 80)

x² = 5 (Divide by 16)

x = ±√5 (Square root both sides)

≈ 2.24, -2.24

5 0

4 years ago

The initial size of the population is 300. After 1 day the population has grown to 800. Estimate the population after 6 days. (R

Cloud [144]

Solution :

Given initial population = 300

Final population after 1 day = 800

Number of days = 6

∴ $\frac{dP}{dt} =kt^{1/2}$

P(0) = 300 P(1) = 300

We need to find P(8).

$dP = kt^{1/2} dt$

$\int 1 dP = \int kt^{1/2} dt$

$P(t) = k \left(\frac{t^{3/2}}{3/2}\right)+c$

$P(t)= \frac{2k}{3}t^{3/2} + c$

When P(0) = 300

$300 = \frac{2k}{3} (0)^{3/2} + c$

∴ c = 300

∴ $P(t)= \frac{2k}{3}t^{3/2} + 300$

When P(1) = 800

$800 = \frac{2k}{3} (1)^{3/2} + 300$

$500 = \frac{2k}{3}$

∴ k = 750

$P(t)= 500t^{3/2} + 300$

So, P(8) is

$P(t)= 500(8)^{3/2} + 300$

= 11,614

So the population becomes 11,614 after 8 days.

8 0

3 years ago

4x + y = 25 x - 3y = 16 x=__ y=__

Elan Coil [88]

Answer:

(7, -3)

Step-by-step explanation:

Hope this helps. Pls give brainliest.

3 0

3 years ago

What is is advantage to using equations

poizon [28]

Well, you can put various math problems into one. Equations can also show more information easier than writing many problems. Hope this helps, and keep learning!

8 0

4 years ago

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