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3 years ago

What is 17 1/3 x 8 and how much water will each group get

Mathematics

1 answer:

stealth61 [152]3 years ago

8 0

Answer:

The Answer to 17 1/3 x 8 is 138.67

There is not enough context to answer the second question.

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For triangle Abc side a=18 angle C=90 and side b=24 find side c to the nearest whole number

ollegr [7]

...
Using the Pythagorean theorem, a² + b² = c², we can solve for 'c'.
We know the length of sides 'a' and 'b', and this is all we really need to know. The angle value of angle 'c' is irrelevant to finding the length of side 'c' (which I'm assuming is the hypotenuse).
18² + 24² = c².
324 + 576 = c².
900 = c². Now find the square root of 900 to get the value of 'c'.
30 = c. <= And there is your answer.

3 0

3 years ago

What is y+4=9 what is y?

amid [387]

Answer:

$y = 5$

Step-by-step explanation:

Subtract the 4 from 9

5 0

3 years ago

Read 2 more answers

A 12 ounce bottle of shampoo lasted Nina 8 weeks how long would an 18 once bottle of shampoo last her

natali 33 [55]

Answer:

12 weeks

Step-by-step explanation:

set up a proportion of ounces/weeks = ounces/weeks

12/8 = 18/w

12w = 144

w = 12

4 0

2 years ago

Which statements about the hyperbola are true? Check all that apply. A. There is a focus at (0,−10). B. There is a focus at (0,

hichkok12 [17]

Answer:

A. There is a focus at (0,−10).

Step-by-step explanation:

Assume the hyperbola is like the one below.

The hyperbola is vertical and centred on the y-axis, so its general equation is

$\dfrac{y^{2}}{a^{2}} - \dfrac{x^{2}}{b^{2}} = 1$

The vertices of your parabola are (0,±8) so a = 8.

The covertices are (±6,0), so b = 6.

Calculate c

$\begin{array}{rcl}a^{2} + b^{2} & = & c^{2}\\8^{2} + 6^{2} & = & c^{2}\\64 + 36 & = & c^{2}\\100 & = & c^{2}\\c & = & \mathbf{10}\\\end{array}$

A. Foci

The foci are at (0, ±c) = (0, ±10)

TRUE. There is a focus at (0,-10).

B. Foci

The foci are at (0,±10).

False. There is no focus at (0,12)

C. and D. Asymptotes

The equations for the asymptotes are

$y = \pm\dfrac{a}{b}x = \pm\dfrac{8}{6}x = \pm\dfrac{4}{3}x$

So, y = ±x are not asymptotes.

False.

E. and F. Directrices

The equations of the directrices are

y = ±a²/c = ±64/10 = ±6.4

y = 6.4 is a directrix.

E is false. x = cannot be a directrix

F is uncertain. Your equation for the directrix is incomplete.

3 0

3 years ago

9y+11z+7y−4z

slava [35]

Answer is 16y + 7z

9y+11z+7y−4z

=9y+11z+7y+−4z

Combine Like Terms:

=9y+11z+7y+−4z

=(9y+7y)+(11z+−4z)

=16y+7z

7 0

3 years ago