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sattari [20]
3 years ago
9

Please answer quickly! Will give 5 star and brainliest for quickest answer.

Mathematics
1 answer:
boyakko [2]3 years ago
8 0
1. 
{3x+9y=75
{8x+5y=67
2. elmination
{24x+72y=600
-
{24x+15y=201
57y=399
y=7
8x=67-35
x=4
Senior citizen ticket cost $4
child ticket cost $7
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Explain steps ASAP please and thank you
iren [92.7K]

Answer:

5\sqrt{8}

24\sqrt{3}

Step-by-step explanation:

To simplify the square roots, break the number under the square root into factors. Any factors which are perfect squares may be simplified to outside the square root.

\sqrt{200}=\sqrt{25*8}  =\sqrt{25}*\sqrt{8}= 5*\sqrt{8}   =5\sqrt{8}

and

4\sqrt{108}=4\sqrt{27*4}  =4*\sqrt{27}*\sqrt{4}=4* \sqrt{9} *\sqrt{4}*\sqrt{3}    =4*3*2*\sqrt{3}=24\sqrt{3}

7 0
3 years ago
PLEASE HELP, WILL MARK BRAINLIEST!<br><br> 7/9x +2 = 5/6
harina [27]

Answer:

Exact Form:

x= -3/2

Decimal Form:

x= -1.5

Mixed Number Form

x= -1 1/2

Step-by-step explanation:

4 0
3 years ago
What is the answer to this question? Write an expression in simplest form for the perimeter of a right triangle with leg lengths
blagie [28]

Answer:

Step-by-step explanation:

Since the length of both legs of the right angle triangle are given, we would determine the hypotenuse, h by applying Pythagoras theorem which is expressed as

Hypotenuse² = one leg² + other leg²

Therefore,

h² = (3a)³ + (4a)³

h² = 27a³ + 64a³

h² = 91a³

Taking square root of both sides,

h = √91a³

The formula for determining the perimeter of a triangle is expressed as

Perimeter = a + b + c

a, b and c are the side length of the triangle. Therefore, the expression for the perimeter of the right angle triangle is

√91a³ + (3a)³ + (4a)³

= √91a³ + 91a³

7 0
3 years ago
4. One morning at Jim's café, 25 people ordered juice, 10 ordered milk, and 50 ordered coffee with
Alona [7]

Answer:

D. 2 to 5

Step-by-step explanation:

10 milk orders to 25 juice orders can be simplified to 2:5 when divided by five.

8 0
3 years ago
What graph below matches this equation y=2x+1 ​
aleksley [76]
There is no graph attached
5 0
3 years ago
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