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stellarik [79]
3 years ago
13

Question 1

Mathematics
1 answer:
Margaret [11]3 years ago
7 0

Answer:

It would be 3 in by 4 in

Step-by-step explanation-

2*3=6 2*4=8

scale down and it will give you 3 in. by 4 in.

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Use the side spittler theorem to find x given that PQ |BC
Musya8 [376]

18/12 = x/8

12x = 8 * 18

x = 8 * 1.5

x = 12

Answer: C. 12

3 0
3 years ago
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PLEASEEEE.. MY TEACHER IS ASKING FOR THE ANSWER ​
VARVARA [1.3K]

See attached graph: v is on the y-axis and t is on the x-axis

3 0
3 years ago
The graph for the first equation of a system is shown in orange. The second equation is: 3y+30=6x What is the solution to the sy
Alik [6]

Answer:

B.

Step-by-step explanation:

(1,-8) sorry if you needed an explanation i am not good at that. Hope this helped!!

7 0
3 years ago
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Help me please I got to finish it
Scorpion4ik [409]

Answer:

\frac{52}{63}

4 0
3 years ago
What length is the shorter leg of a right triangle that has hypotenuse 50 in long and its perimeter is 112 inches?
Brut [27]
The length of the shorter leg is 14 inches.

We will set up two equations for this; first, for the perimeter.  We will call the legs a and b:

a + b + 50 = 112

Subtract 50 from both sides:
a + b + 50 - 50 = 112 - 50
a + b = 62

We will isolate a, so we can use substitution.  Subtract b from both sides:
a + b - b = 62 - b
a = 62 - b

Now we will set up our Pythagorean theorem equation:
a² + b² = 50²
a² + b² = 2500

We will substitute our value for a from the first equation into this one:
(62-b)² + b² = 2500
(62 - b)(62 - b) + b² = 2500

Multiplying the binomials, we have:
62*62 - b*62 - b*62 -b(-b) + b² = 2500
3844 - 62b - 62b + b² + b² = 2500

Combining like terms:
3844 - 124b + 2b² = 2500

To set it equal to 0 and solve, we subtract 2500 from both sides:
3844 - 124b + 2b² - 2500 = 2500 - 2500
1344 - 124b + 2b² = 0

In standard form, we have
2b² - 124b + 1344 = 0

Using the quadratic formula, 
\frac{--124\pm \sqrt{(-124)^2-4(2)(1344)}}{2(2)}
\\
\\=\frac{124\pm \sqrt{15376-10752}}{4}
\\
\\=\frac{124\pm \sqrt{4624}}{4}=\frac{124\pm 68}{4}=\frac{124+68}{4}\text{ or }\frac{124-68}{4}
\\
\\=\frac{192}{4}\text{ or }\frac{56}{4}=48\text{ or }14

The shorter leg is 14 and the longer one is 48.
8 0
3 years ago
Read 2 more answers
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