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3 years ago

Plzzzzzz help me i am timed

Mathematics

1 answer:

harkovskaia [24]3 years ago

6 0

The answers are 8.5 and 4.2

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Mario is making dinner for 9 people. Mario buys 6 containers of soup. Each container is 18 ounces. If everyone gets the same amo

fiasKO [112]

YES YES YES YES YES YES YES YES GO GLEN COCO

3 0

3 years ago

At the beginning of an environmental study, a forest covered an area of 1500 km2 . Since then, this area has decreased by 9.8% e

fredd [130]

Answer:

$A(t)=(0.902)^t \cdot 1500$ $[km^2]$

Step-by-step explanation:

In this problem, the initial area of the forest at time t = 0 is

$A_0 = 1500 km^2$

After every year, the area of the forest decreases by 9.8%: this means that the area of the forest every year is (100%-9.8%=90.2%) of the area of the previous year.

So for instance, after 1 year, the area is

$A_1 = A_0 \cdot \frac{90.2}{100}=0.902 A_0$

After 2 years,

$A_2=0.902 A_1 = 0.902(0.902A_0)=(0.902)^2 A_0$

And so on. So, after t years, the area of the forest will be

$A(t)=(0.902)^t A_0$

And by substituting the value of A0, we can find an explicit expression:

$A(t)=(0.902)^t \cdot 1500$ $[km^2]$

8 0

4 years ago

Solve the system of equations below<br>5x+2y=9<br>2×-3y=15<br>

nirvana33 [79]

Answer:

The solution is (3, -3)

Step-by-step explanation:

5x + 2y = 9

2x - 3y = 15

Use elimination by addition/subtraction. Multiply the first equation by 3 and the second by 2, obtaining:

15x + 6y = 27

4x - 6y = 30

----------------------

19x = 57

This yields x = 3.

Substituting 3 for x into 5x + 2y = 9, we get 5(3) + 2y = 9, or

15 + 2y = 9, or

2y = -6

This yields y = -3.

The solution is (3, -3)

4 0

3 years ago

Write forty-seven thousandths in standard form.

AnnZ [28]

Answer:

47000 is the answer

Step-by-step explanation:

Eat berries and Creams.

6 0

3 years ago

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Whats The answer To 89 divided by 9

VLD [36.1K]

89 ÷ 9 = 9.889 or 89/9

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3 years ago

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