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koban [17]
4 years ago
15

X + 2y = 8 y = x + 1​

Mathematics
1 answer:
Sonbull [250]4 years ago
6 0

Answer:

x=2 and y=3

Step-by-step explanation:

This is a system of equations that you would solve by substitution.

Start by solving for x by plugging in the value of y:

x + 2(x+1) = 8,

Then simplify:

3x = 6 / x = 2

Now plug the known value of x into the first equation:

y = (2) + 1

Simplify,

y = 2

I hope this helps!

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From the top right & left corners drop a perpendicular line to the base forming right triangles on the right and left sides. This makes the center [art of the base  12 and the base of the triangles 7. Use the Pythagorean Theorem to find the altitude, which is the same as the height.
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8 0
4 years ago
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9{[(9 X 9 - 10) = 2] – 5}
Lina20 [59]

Answer:

Step-by-step explanation:

9{[(9×9-10)-2]-5}

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4 0
3 years ago
Carol, Ann, and Liz each bought a toy fish. Carol's fish is 5 inches longer than Ann's fish. Liz's fish is 9 inches longer than
hram777 [196]

Answer:

The length of Ann's toy fish is 12 inches; the length of Carol's toy fish is 17 inches; and the length of Liz's toy fish is 33 inches.

Step-by-step explanation:

Let's say Carol's fish is c inches long, Ann's is a inches long, and Liz's is l inches long. Then:

c = 5 + a

l = 9 + 2a

a = 12

Plug 12 in for a to find c and l:

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The length of Ann's toy fish is 12 inches; the length of Carol's toy fish is 17 inches; and the length of Liz's toy fish is 33 inches.

6 0
3 years ago
Need math help please!
Otrada [13]

Answer:

ASA

Step-by-step explanation:

The triangles are already given 1 congruent corresponding angle and 1 congruent corresponding side. However, there are vertical angles at the point where the triangles intersect, meaning that they are congruent.

So now you have 2 congruent corresponding angles. But they're in the order of Angle-Side-Angle (ASA).

3 0
4 years ago
Elsa's store purchased a sofa at a wholesale price of $350, and sold it for $630. What is the percent of markup?
nataly862011 [7]

Answer:

980%

Step-by-step explanation:

8 0
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