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3 years ago

Help please pleasebfiwhier

Mathematics

1 answer:

rosijanka [135]3 years ago

4 0

Slope 2/1, y intercept is 6, equation is f(x)=6-2x

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if y varies inversely as x and y = 194 when x = -13, find y when x = 50. Round your answer to the nearest hundredth, if necessar

pashok25 [27]

Step-by-step explanation:

Since, y varies inversely as x.

$\therefore \: y = \frac{k}{x} \\ (k = constant \: of \: proportionality) \\ \therefore \: xy = k...(1) \\ plug \: y = 194 \: \: and \: \: x = - 13 \: in \: (1) \\ \therefore \: - 13 \times 194= k \\ \therefore \: k = - 2522 \\ substituting \: k = - 2522 \: in \: (1) \\ xy = - 2522...(2) \\ this \: is \: equation \: of \: variation. \\ plug \: x = 50 \: in \: (2) \\ 50 \times y = - 2522 \\ \therefore \:y = \frac{ - 2522}{50} \\ \huge \red{ \boxed{\therefore \:y = - 50.44}}$

8 0

2 years ago

A company makes a block of cheese in the shape of a rectangular prism with dimensions 4 inches by 2 inches by 2 inches. They wan

Art [367]

Answer:

Step-by-step explanation:

pyramid has a height of 5 inches and a volume of 60 cubic inches. Select all figures that could be the base for this pyramid.

a square with side length 6 inches

a 3 inch by 4 inch rectangle

a 4 inch by 9 inch rectangle

a circle with radius 4 inches

a right triangle with one side 5 inches and the hypotenuse 13 inches

a hexagon with an area of 36 square inches

8 0

3 years ago

Y=3x-5 y=-6x+4 system of equations

slega [8]

X=1, y=-2--------------------------

6 0

3 years ago

It is about 1.62×10⁶ miles from Venus to Earth. It is about 5.4×10⁷ from Earth to Mars. How far is it total from Venus to Earth

Lubov Fominskaja [6]

Answer:

-5.238- $10^{7}$

Since the exponent of the scientific notation is positive, move the decimal point 6 places to the right.

1620000

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Hope this helps :)

4 0

2 years ago

Find the product. (10^2)^3 <br> 1,000 <br> 10,000 <br> 100,000 <br> 1,000,000

dangina [55]

The answer is 1000000
10^2=100
100^3=1000000

3 0

3 years ago