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2 years ago

Witch method will NOT get you to the point (1.5, 4)?

Mathematics

1 answer:

Bad White [126]2 years ago

8 0

Left down, or “Starting at the origin, go 4 spaces to the right and then 1and1/2 spaces up.” This would bring you to the point (4,1and1/2)

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Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining Bismuth-210 transforms i

Luden [163]

Answer:

Approximately 76.5 mg.

Step-by-step explanation:

Given,

The initial quantity of the Bismuth-210, P = 233 mg,

Also, the rate of decay per day, r = 13 %

Thus, the quantity of the Bismuth-210 after 8 days would be,

$A=P(1-\frac{r}{100})^8$

$=233(1-\frac{13}{100})^8$

$=233(1-0.13)^8$

$=233(0.87)^8$

$=76.4733194697$

$\approx 76.5\text{ mg}$

3 0

2 years ago

Help me help me please

never [62]

Answer: 36 square feet

Step-by-step explanation:

6 0

2 years ago

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Graph y = −x2 − 2. Identify the vertex of the graph. Tell whether it is a minimum or maximum.

Kitty [74]

Y = - x^2 - 2

the vertex of - x^2 will be at (0,0)
the -2 translates the graph down 2 units

The answer is the vertex is at (0,-2) and as the coefficient of x^2 is negative it is a maximum

Answer is D.

8 0

2 years ago

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Every dimension of a triangular pyramid is multiplied by 10 to produce a new figure that is geometrically similar. What effect d

ICE Princess25 [194]

Answer:

Step-by-step explanation:

Since the question is asking for surface area and the dimensions are multiplied by 10, the surface area is multiplied by 10^2, or 100. (For area it would be 10^3, or 1000)

8 0

3 years ago

A rectangular waterbed is 8 ft long, 5 fr, wide and 1 ft tall.

rosijanka [135]

Answer: 308 gallons of water.

Step-by-step explanation:

First find the volume of the water been.

The volume of a rectangular prism uses the formula

V= L * W *H

V = 8 * 5 * 1

V = 40 ft^3

Now we will convert 40ft into gallons using what they gave us that 1 gallon is 0.13 ft^3

$\frac{1}{x} = \frac{0.13}{40}$ which means if 1 gallon is 0.13 cubic feet how much will 40 cubic feet be when converted to gallons.

Solve by cross product.

0.13x = 40 divide both sides by 0.13

x= 308

5 0

3 years ago