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saw5 [17]
3 years ago
10

Select the equation that is true for all values of x.

Mathematics
1 answer:
valentinak56 [21]3 years ago
5 0

Answer:

the first equation is True, second one is not and I'm not sure what the third equation is . . .

Step-by-step explanation:

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The customer had a coupon for a 6% discount on a $12 (whole) meal. What is the total that she paid?
ss7ja [257]

Answer:

$11.28

Step-by-step explanation:

12 x 0.06= 0.72

12.00 - 0.72=11.28

5 0
3 years ago
The graph for the equation y=-2x+1 is shown below.
Tpy6a [65]

Answer:

Step-by-step explanation:

Given the equation y=-2x+1 and given another equation y=mx+b in order for us to have no solution we must guarantee that both lines do not intersect. Recall that m is the slope of the second equation and b the y-intercept. To guarantee that both lines don't intersect, they must be parallel. To have this result, we must have that they have the same slope but different y intercept. That is take m = -2 and b any value different to +1. For example, the b = 6. So

y = -2x+6 = -2(x-3) is another equation that gives no solution to the system.

3 0
4 years ago
Mia's cat weighs 13 pounds, 7 ounces. About what is that weight in kilograms? (Hint: 1 kilogram = 1,000 grams.
sattari [20]
Given:
13 pounds and 7 ounces

convert to kilograms:

1 kilogram = 2.20462 pounds
1 kilogram = 35.274 ounces

13 pounds * 1 kg/2.20462 pounds = 13 kg/2.20462 = 5.8967 kg
 7 ounces * 1kg/35.274 ounces = 7 kg/35.274 = 0.1984

5.8967 kg + 0.1984 = 6.0951 kg. rounded up to 6.10 kgs.

5 0
4 years ago
Find the value of x.
juin [17]

Assuming those lines are parallel, then this means the alternate interior angles are the same measure

3x-26 = 2x

3x-26+26 = 2x+26 ... adding 26 to both sides

3x = 2x+26

3x-2x = 2x+26-2x ... subtracting 2x from both sides

3x-2x = 26

<h3>x = 26 is the answer</h3>
8 0
3 years ago
Given: AABC, AC = 5<br> m C = 90°<br> m A= 22°<br> Find: Perimeter of AABC<br> A<br> C<br> B
Leto [7]

9514 1404 393

Answer:

  perimeter ≈ 12.4 units

Step-by-step explanation:

The side adjacent to the angle is given. The relationships useful for the other two sides are ...

  Tan = Opposite/Adjacent

  Cos = Adjacent/Hypotenuse

From these, we have ...

  opposite = 5·tan(22°) ≈ 2.02

  hypotenuse = 5/cos(22°) ≈ 5.39

Then the perimeter is ...

  P = a + b + c = 2.02 + 5 + 5.39 = 12.41

The perimeter of ∆ABC is about 12.4 units.

7 0
3 years ago
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