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Lapatulllka [165]
4 years ago
7

Determine whether the given ordered pair is a solution to the system of equations.

Mathematics
1 answer:
Zina [86]4 years ago
6 0
Answer: No

Solution:

Substitute the values of x & y into the first equation
6 -(-1) = 3
6 + 5 is NOT equal to 3
Therefore we can say this is not true
For this to be true, when substituting the values of x & y, the equation must be true for BOTH equations. Since it’s not true for the first equation it doesn’t matter if it’s true or not for the other equation.

I hope this helps!
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Find 46.5 of 75 using the percent equation.
zepelin [54]
What you will have to do is times 46.5 by 100 then with that answer you will divide that by 75 and you will get 62%
5 0
3 years ago
11 pens weigh 53.43 grams how many grams will 2 pens weigh
Brut [27]

Answer:

9.72

Step-by-step explanation:

53.43/11 = 4.86

4.86*1 = 9.72

5 0
4 years ago
Read 2 more answers
Value of h<br> please help me, I don't understand
Greeley [361]

Answer: h = 14.1 ft

Step-by-step explanation:

The given triangle is an isosceles right angle triangle because the two sides or legs of the triangle are equal. To determine h, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Hypotenuse = 20ft

opposite side = adjacent side = h feet

Therefore

20² = h² + h²

400 = 2h²

h² = 400/2 = 200

Taking square root of both sides, it becomes

h = √200

h = 14.1 ft

8 0
3 years ago
teresa says the two expressions below are equivalent: 2(5x-3) + 6x and 16x -3 is teresa correct? Explain why or why not
Anestetic [448]

Answer:

No.

Step-by-step explanation:

2(5x-3) + 6x  is equal to 16x-6:

Distribute:

=(2)(5x)+(2)(−3)+6x

=10x+−6+6x

Combine Like Terms:

=10x+−6+6x

=(10x+6x)+(−6)

=16x+−6,

Which is not equal to 16x-3

4 0
3 years ago
Please help you will get 20 points and explain your answer please
sp2606 [1]

Answer:

Top prism = 262 in.² Bottom prism = 478 in.²

Step-by-step explanation:

top prism:

front + back: 5 x 3 = 15

sides: 19 x 4 x 2 = 152

bottom: 19 x 5 = 95

15 + 152 + 95 = 262

bottom prism:

front + back: 5 x 6 x 2 = 60

sides: 19 x 6 x 2 = 228

top + bottom: 19 x 5 x 2 = 190

60 + 228 + 190 = 478

7 0
4 years ago
Read 2 more answers
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