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3 years ago

5

for homework a student have to complete 15 problems total if she finished 6 problems in class what is the ratio of problem she's

still needs to complete two problems that she already finished

1 answer:

kvv77 [185]3 years ago

8 0

9:6 I think. Because if you subtract 6 from 15 you get 9 and that is how many she needs to finish and she has already finished 6

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PLZ HURRY IT'S URGENT!!!!!!!!!!

ICE Princess25 [194]

$\: \: \: \frac{9}{12} \\ = \frac{3 \times 3}{3 \times 4} \\ = \frac{3}{4} \\ = \frac{3}{4} \times 1 \\ = \frac{3}{4} \times \frac{2}{2} \\ = \frac{6}{8} = \frac{3}{4}.$

So, Option C is the correct answer.

Hope this will help you.

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3 years ago

Read 2 more answers

Help ASP. what 3/4 divided by 1/8

iris [78.8K]

Answer:

6

Step-by-step explanation:

3/4 / 1/8

3/4 x 8/1

24/4

6

3 0

3 years ago

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In the triangle XYZ the measure of angle YXZ is 50 degrees and the measure of angle XYZ is 75 degrees. What is the measure of an

lbvjy [14]

<h2>Answer: 55 degrees</h2>

Step-by-step explanation:

Every triangle has 3 sides and 3 interior angles whose measures sum to 180 degrees. For example, a triangle with angles $\theta$ , $\alpha$ and $\beta$ :

$\theta+\alpha+\beta=180\º$

Following this rule, we will apply it to the angles XYZ, YXZ and the unknown XZY:

$XYZ+YXZ+XZY=180\º$

$50\º+75\º+XZY=180\º$

$XZY=180\º-50\º-75\º$

Finally:

$XZY=55\º$

8 0

3 years ago

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describe the graph of y=x^2 in words so that someone in a different room could understand exactly what it looks like explain wha

vladimir2022 [97]

Answer:

* y = x² is a quadratic function represented graphically by parabola opened upward with minimum vertex (0 , 0) and y-intercept = 0

* The graph will move vertically up 5 units and its vertex will be

(0 , 5)

Step-by-step explanation:

∵ y = ax² + bx + c is a quadratic function

Represented graphically by parabola, its vertex is (-b/2a , f(-b/2a))

∵ The value of a > 0 then the parabola open upward

∴ Its vertex is minimum

∵ The value of a < 0 then the parabola oped downward

∴ Its vertex is maximum

∵ The coefficient of x² = 1

∴ The parabola open upward

∵ The coefficient of x = 0

∴ Its vertex is (0 , 0) ⇒ x = 0/2(1) = 0 , f(0) = (0)² = 0

∴ The y-intercept = 0

∴ The parabola is oped upward , has minimum vertex (0 , 0)

and passing through the origin

∵ 5 is added to y = x² , that means we add 5 to f(x) ⇒ f(x) + 5

∴ y = x² + 5 ⇒ that means the graph move vertically up 5 units

∴ Its vertex will be (0 , 5)

5 0

3 years ago

Find a normal subgroup of v which is not normal in a4.

Tpy6a [65]

he elements of the Klein <span>44</span>-group sitting inside <span><span>A4</span><span>A4</span></span> are precisely the identity, and all elements of <span><span>A4</span><span>A4</span></span>of the form <span><span>(ij)(kℓ)</span><span>(ij)(kℓ)</span></span> (the product of two disjoint transpositions).

Since conjugation in <span><span>Sn</span><span>Sn</span></span> (and therefore in <span><span>An</span><span>An</span></span>) does not change the cycle structure, it follows that this subgroup is a union of conjugacy classes, and therefore is normal.

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3 years ago