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3 years ago

Determine the intercepts of the line. y=-73 +3 y-intercept: x-intercept:

Mathematics

2 answers:

BaLLatris [955]3 years ago

8 0

Answer:

$y = - 7x + 3 \\ for \: y - intercept, \: x = 0 \\ y = ( - 7 \times 0) + 3 \\ y = 3 \\ y - intercept \: is \: (0,3) \\ for \: x - intercept, \: y = 0 \\ 0 = - 7x + 3 \\ - 7x = - 3 \\ x = \frac{3}{7} \\ x - intercept \: is \: ( \frac{3}{7} ,0)$

Allushta [10]3 years ago

5 0

Answer:

y = - 7x + 3
For y - intercept, x = 0

y = ( - 7 ×0) + 3

y - intercept is (0,3)

For x - intercept, y = 0

0 = - 7x + 3

- 7x = - 3

x<u> = 3/7</u>

x - intercept is (3/7 ,0)

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One cubic meter of water weighs approximately 2200 pounds. There are 100 cm in one meter. If you have a box-shaped fish tank tha

Diano4ka-milaya [45]

Answer:

158.4 pounds

Step-by-step explanation:

first find the volume of the tank

$V = 30 \times 30 \times 80$

$V = 72000 cm^3$

to convert this to m^3 we know that 1m = 100cm

$V = 72000 cm^3 \times \left(\dfrac{1\,\text{m}}{100\,\text{cm}}\right)^3$

$V = 72000 cm^3 \times \left(\dfrac{1\,\text{m}^3}{100^3\,\text{cm}^3}\right)$

the cm^3 cancel out.

$V = \dfrac{72000}{100^3} m^3$

$V = 0.072\,m^3$

by simply converting the side-lengths to meters beforehand can give you this answer directly:

$V = 0.3 \times 0.3 \times 0.8 = 0.072 m^3$

it is given that 1 meter cube of water weighs about 2200 pounds.

$1\,m^3 = 2200 \,\text{lb}$

multiply both sides with 0.072 to find our answer:

$1\,m^3 \times 0.072 = 2200 \times 0.072 \,\text{lb}$

$0.072\,m^3 = 158.4 \,\text{lb}$

hence the weight of the water in the tank would be 158.4 pounds!

3 0

3 years ago

Given the function f(x)=|x|,describe the transformation lys to f(x)=|x-2|+5

earnstyle [38]

C is the correct answer
Since it says x-2 which is a horizontal translation and everything horizontal says you say the other way around. So left to you go right 2

Hope that helps

5 0

3 years ago

Help with this proof

mixer [17]

Essentially, what we need to do here is prove that BE=EC, BE=CB, and.or CE=BC therefore making it isosceles. With ∠AEC=∠DEB, we know AE=DE, so EC=EB (the points go in order). Therefore, as EC=EB, BEC is isosceles (it has at least 2 equal sides).

Feel free to ask further questions!

7 0

2 years ago

Find the value of a in the parallelogram.

Scorpion4ik [409]

A=20
5a-4=3a+36 (subtract 3a from both sides and add 4 to both sides)
2a=40. Divide 40by 2
A=20

6 0

2 years ago

Which pair of inequalities would overlap if they were graphed?

Fittoniya [83]

Answer:

x <= 10, x >4

Step-by-step explanation:

This is because 4 is less than 10 and 10 is greater than 4, making them overlap

4 0

3 years ago