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Leokris [45]
3 years ago
7

Please help!!!!!! ill give you brainliest!

Mathematics
2 answers:
olga2289 [7]3 years ago
3 0

Answer:

The team made x<u><</u>53 points total.

Step-by-step explanation:

1/4+1/10 is 7/20 or 0.35 in decimal form. If they both together scored 21 points then you can add another 7/20 (21 points) and have 14/20 (42 points). You have 6/20 more left. If you can solve what 1/20 could be then you would find the answer. Does this helps?

miskamm [114]3 years ago
3 0

Answer:

The total number of points scored is 60.

Step-by-step explanation:

We can multiply a number to both fractions to get them to share a common denominator so we can add them easily. 20 is a multiple of both 4 and 5, so let us multiply both denominators so that they each have a denominator of 20.

1/10 * 2 = 2/20

1/4 * 5 = 5/20

Now we can add those fractions together because we want to see the total amount of points the team scored.

2/20 + 5/20 = 7/20

If 7/20 is 21 points, we can find out how much points takes up 1/20 of the fraction. We do this by dividing 21 by 7.

21 / 7 = 3

So 1/20 = 3

Now we multiply 3 by 20, which is 60. So therefore the total amount of points scored by the team is 60. Brian scored 1/10 of 60, which is 6. So he scored 6 points. Joe scored 1/4 of 60, which is 15. So Joe scored 15 points. Hope this helps.

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Rewrite in simplest terms: (-x+8y)+(-10x-6y)(−x+8y)+(−10x−6y)
Nina [5.8K]

Answer:

10x² - 48y² - 11x + 2y - 74xy

Step-by-step explanation:

(-x+8y)+(-10x-6y)(−x+8y)+(−10x−6y)

Rearranging,

=> - x - 10 x + 8y - 6y + (-10x-6y)(−x+8y)

=> - 11x + 2y + 10x² - 48y² + 6xy - 80xy

=> 10x² - 48y² - 11x + 2y - 74xy

7 0
3 years ago
a square has 4 angles and they’re all 90° and a circle is 360°. now if you add all the 4 90° it all comes out to 360° right? rig
OLga [1]
<h2>The above state tells only about the sum of their angle not about their areas. You are right there sum of angles is same but their areas are different. Let's take another example, rectangle also have sum of angles equal to 90 ° but it's not that rectangle is equal to circle. Square and Rectangle are equal because their areas are same.</h2>

<h3>hope this will help you. have a good day friend. </h3>
6 0
3 years ago
Answer the following questions about the function whose derivative is f primef′​(x)equals=x Superscript negative three fifths Ba
Elden [556K]

Answer:

(a) The critical points of f are x=0 and x=3.

(b)f is decreasing on (0,3) and f is decreasing on (3,\infty).

(c) Therefore the local minimum of f is at x=3

Step-by-step explanation:

Given function is

f'(x)= x^{-\frac35}(x-3)

(a)

To find the critical point set f'(x)=0

\therefore  x^{-\frac35}(x-3)=0

\Rightarrow x=0,3

The critical points of f are 0,3.

(b)

The interval are (0,3) and (3,\infty).

To find the increasing or decreasing, taking two points one point from the interval (0,3) and another point (3,\infty).

Assume 1 and 4.

Now f'(1)=(1)^{-\frac35}(1-3)

and f'(4)=(4)^{-\frac35}(4-3)>0

Since 1∈(0,3) , f'(x)<0  and 4∈(3,\infty) , f'(x)>0

∴f is decreasing on (0,3) and f is decreasing on (3,\infty).

(c)

f'(x)= x^{-\frac35}(x-3)

Differentiating with respect to x

f''(x)=-\frac35x^{-\frac 85}(x-3)+x^{-\frac35}

Now

f''(0)=-\frac35(0)^{-\frac 85}(0-3)+(0)^{-\frac35}=0

and

f''(3)=-\frac35(3)^{-\frac 85}(3-3)+3^{-\frac35}

        =0.517>0

Since f''(x)>0 at x=3

Therefore the local minimum of f is at x=3

8 0
3 years ago
There are four hundred students as Thompson Middle School. If 54% of the students are female, what is the ratio of female to mal
laila [671]

Answer:

1:3

Step-by-step explanation:

I think...

54% of 400= 216

400/216= 1.85

8 0
4 years ago
PLEASE HELP ASAP!!!!!
Akimi4 [234]

Answer:

Part A: 140

Step-by-step explanation:

Line ACE is a straight line meaning it equals 18 degrees. To find out what Angle CEF is you have to subtract 40 from 180. That gives you 140 degrees.

Hope its helpful!

3 0
3 years ago
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