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4 years ago

Whats 36/20 as a mixed number? (Not simplified)

Mathematics

1 answer:

Ilya [14]4 years ago

8 0

1 8/10 ! Thats is the answer

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Stacey filled her 1/2 cup measuring cup seven times to have enough flour does the cake récipe. How much flour does the cake reci

yan [13]

All we need to do to find the answer is to multiply 1/2 by 7:

1/2 * 7 =
= 7/2 =
= 3 1/2

Answer: The cake recpipe calls for 3 1/2 cups of flour.

I hope it will help you ;)

5 0

4 years ago

(06.01) Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36

omeli [17]

3x + 5y = 384x − 2y = 16x = −4, y = 6x = 4, y = 6x = 6, y = −4x = 6, y = 4

6 0

4 years ago

CAN SOMEONE PLEASE HELP ME WITH MY MATH !!!

Tju [1.3M]

Answer:

x = 3√10

Step-by-step explanation:

We can find the value of x by using Euclidean theorem

x^2 = 9 × 10

x^2 = 90

x = 3√10

8 0

4 years ago

How long will it take you to drive 175 miles at a speed of 25 mph

horsena [70]

7 hours

175 miles /25 miles per hour! = 7 hours

7 0

3 years ago

(1 point) Carbon dating is often used to determine the age of a fossil. For example, a humanoid skull was found in a cave in Sou

Aleksandr [31]

Answer:

The estimated age of the skull is 39118 years.

Step-by-step explanation:

The amount of the substance after t years is given by:

$A(t) = A(0)(1-r)^t$

In which A(0) is the initial amount, and r is the decay rate.

The half-life of carbon-14 is about 5600 years.

This means that $A(5600) = 0.5A(0)$ . We use this to find r, or 1 - r, to replace in the equation. So

$A(t) = A(0)(1-r)^t$

$0.5A(0) = A(0)(1-r)^{5600}$

$(1-r)^{5600} = 0.5$

$\sqrt[5600]{(1-r)^{5600}} = \sqrt[5600]{0.5}$

$1 - r = (0.5)^{\frac{1}{5600}}$

$1 - r = 0.9999$

$A(t) = A(0)(0.9999)^t$

Only 2% of the original amount of carbon-14 remains in the burnt wood of the campfire.

This is t for which $A(t) = 0.02A(0)$ . So

$A(t) = A(0)(0.9999)^t$

$0.02A(0) = A(0)(0.9999)^t$

$(0.9999)^t = 0.02$

$\log{(0.9999)^t} = \log{0.02}$

$t\log{0.9999} = \log{0.02}$

$t = \frac{\log{0.02}}{\log{0.9999}}$

$t = 39118$

The estimated age of the skull is 39118 years.

6 0

3 years ago