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Dafna11 [192]
3 years ago
6

Which number is greater . 60 or 7.5

Mathematics
1 answer:
myrzilka [38]3 years ago
5 0

Answer:

60 is greater than 7.5.

step by step

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A rectangle is to be inscribed in a right triangle having sides of length 66in, 88in, and 110in. Find the dimensions of the rect
likoan [24]
 <span>This one is hard to explain in print. Let x be the side of the rectangle on the hypotenuse and y be the other side. There is a triangle formed at the right angle of the original which is similar to the original. 
So x is to 10 as z is to 8: x/10 = z/8 
and z = 4/5 x 
The upper part of that leg would be 8 - 4/5 x 

The triangle at the top is also similar: 
So y is to 6 as (8 - 4/5 x) is to 10: y/6 = (8-4/5 x)/10 
and y = 3/5 (8- 4/5 x) = 24/5 - 12/25 x 

Now area = xy 
Deriv = 0 and solve </span>
8 0
3 years ago
What is the solution of 3x+y=2 &amp; 4y=12-12x?
lorasvet [3.4K]

Answer:

Step-by-step explanation:

3x+y=2............(1)

4y=12-12x........(2)

Making y as subject in (1) and substitute in (2)

y = 2 - 3x......(3)

4(2 - 3x) = 12-12x

8 - 12x = 12 - 12x

12x - 12x = 12- 8

0 = 4

So no solution since variable cancelled out

5 0
3 years ago
1) x+3 - 5x + 7 + 4y​
Colt1911 [192]
Answer:

~ -4x+4y+10

Explanation:

~ We have to collect like terms such as all the x’s, y and the normal numbers.

~ Then add like terms together: x-5x, 4y plus nothing, 3+7

~ After adding them, you should get -4x+4y+10.
5 0
3 years ago
Read 2 more answers
porsha owns 15% of Kenya Moore hair care. the rest of the shares are owned by the remainder of her friends, Kandi, Cynthia, Eva,
Romashka [77]

Answer:

im looking for anwser

Step-by-step explanation:

6 0
3 years ago
Do your best i need it quickly sorta, if you do a weird answer just for the points i will report you.
solong [7]

Answer: See below

Step-by-step explanation:

For this problem, we are given four functions, and their domains. All we have to do is figure out which equation we want to plug x into and solve.

f(-20)

For this first problem, we have x=-20. Then we can eliminate equations 1, 2, 4. We know equation 3 is the correct one because it says x<-12. -20 is less than -12. Therefore we plug in x=-20 to the third equation.

f(-20)=3(-20)-7              [multiply]

f(-20)=-60-7                  [subtract]

f(-20)=-67

--------------------------------------------------------------------------------------------

f(0)

For this problem, we have x=0. Then we can eliminate equations 1, 2, 3. We know equation 4 is the correct one because it says x∈{-15, -12, 0, 10}. This means x has to be either one of the four numbers listed in the parentheses. We see that x=0 is in there. Therefore we plug in x=0 to the fourth equation.

f(0)=11-|-0-1|             [subtract]

f(0)=11-|-1|                [absolute value]

f(0)=11-1                    [subtract]

f(0)=10

--------------------------------------------------------------------------------------------

f(15)

For this problem, we have x=15. Then we can eliminate equations 2, 3, 4. We know equation 1 is the correct one because it says x>10. This means x has to be greater than 10. 15 is greater than 10. Therefore we plug in x=15 to the first equation.

f(15)=\frac{1}{|15+1|-11}       [add]

f(15)=\frac{1}{|16|-11}           [absolute value]

f(15)=\frac{1}{16-11}             [subtract]

f(15)=\frac{1}{5}

7 0
3 years ago
Read 2 more answers
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