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Volgvan
3 years ago
5

Which statement about the ordered pairs (2, −9)and (3, −6) is true for the equation 5x-y/3=13

Mathematics
1 answer:
taurus [48]3 years ago
5 0
Its neither of the equations. I'm doing the same test. Next time post the answer options
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Please help!!!!!!!!!!!!!
devlian [24]

Answer:

C

Step-by-step explanation:

C is the correct answer because the other 3 points are not correct when you put the numbers into the equation.

y = 16 + 0.5x

20 = 16 + 0.5(8)

20 = 20

5 0
3 years ago
Read 2 more answers
Last week, Becky went to dance class 4 times. Each class was 3/2 hours.
Soloha48 [4]

last week because, the class that week was only 1 hour and last weeks was 3/2 an hour

8 0
3 years ago
What is the area of 3 5\7ft by 2 6\7ft
erica [24]
3 5/7 x 2 6/7
= 3.71428564 x 2.8571428
= 10.6 ft^2 (3 sig. fig.)
4 0
3 years ago
A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax 2 about the y-
Setler79 [48]

Answer:

a = \frac{1}{2}. Surface Area = \frac{4}{3}ft^{2}. and area of the Dish = \frac{4}{3}ft^{2}+pi4^{2} = \frac{4}{3}ft^{2}+50.27=51.6ft^{2}

Step-by-step explanation:

(1) Constant. y(x) = ax^{2} that is the curve that we need to rotate around the y axis to get the parabola with diameter of 8 feet and 2 meter depth that statement is translated in mathematics as x = -4 to 4 and y = 0 to 2.

y max = 2, x max = 4 setting up a equation with a unknown gives

2=a4 and  a = \frac{1}{2}.

so we have now.

y(x) = \frac{1}{2}x^{2} (Done with solving for a Constant).

(2) Surface Area.

Setting Up surface integral.

(i) range in x = 0 to 4.

(ii) range in y = 0 to 2.

integral is.

Integral(0-2)[{integral[(0-4)\frac{1}{32}x^{2}]}]dy

Evaluating this integral gives. \frac{4}{3}ft^{2}.

and area is surface area + area of the circle with 8ft diameter.

= \frac{4}{3}ft^{2}+pi4^{2} = \frac{4}{3}ft^{2}+50.27=51.6ft^{2}...

Note the Difference between area and aurface area.!

6 0
3 years ago
What is this number in standard form? plzzzzzzzzz i need this
Nookie1986 [14]
The answer is 82.046
3 0
3 years ago
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