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sertanlavr [38]
3 years ago
12

Solve the following system of equations algebraically.

Mathematics
1 answer:
Triss [41]3 years ago
7 0

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

( 12 , 15 )

Equation Form:  x = 12 , y = 15

Step-by-step explanation:

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7 0
3 years ago
Alicia's family wants to save for a four-year college education for her.
mario62 [17]
52,000$ because 52,000 is 2/3 of 72,000 and 12 is 2/3 of 18
6 0
3 years ago
Read 2 more answers
Solve 4x-2(x+1)=3x+10
shusha [124]

4x-2(x+1)=3x+10

4x - 2x - 2 = 3x + 10

2x - 2 = 3x + 10

3x - 2x = -2 - 10

x = - 12

Answer is

-12

4 0
4 years ago
Read 2 more answers
PLS HELP ME 50 POINTS AND I WILL MARK THE BRAINLIEST
dusya [7]

Answer:

1. 392 in², 2. 94.99 cm², 3. 145.2 ft², 4. 161.5 m², 5. 17 ft and 81 cm

Step-by-step explanation:

1. A = 16 x 19

A = 304

A = 1/2(11x16)
A = 1/2(176)
A = 88
304 + 88 = 392 in²

2. A = πr²
A = 3.14*5.5²
A = 3.14*30.25
A = 94.985
A = 94.99 cm²

3. A = 1/2(bh)
A = 1/2(11x26.4)
A = 1/2(290.4)
A = 145.2 ft²

4. A = bh
A = 9.5*17
A = 161.5 m²

5. part 1
A = (1/2) · (p + q) · h

112 = (1/2)(11+q)(8)
112 = 4(11+q)
112 = 44 + 4q
68 = 4q
17 = q

17 ft

5. part 2
A = lw
364.5 = 27w
13.5 = w
P = 2l + 2w
P = 2(27) + 2(13.5)
P = 54 + 27
P = 81
81 cm


Hope this helps :)


5 0
2 years ago
Write "yes" or "no" to state whether or not the given side lengths would form a right triangle.
Slav-nsk [51]

Answer: No

Step-by-step explanation:

To find out if it is a right triangle then use the formula  a^2 + b^2 = c^2 where a and b are the legs which are the two small sides  and c is the hypotenuse the longest side.  Input the values for  a, b, and c and solve.

a = 12

b = 16

c= 25

12^2 + 16^2 = 25^2

144 + 256 = 625

   400 = 625

This means that it is not a right angle because 400 does not equal to 625.

7 0
3 years ago
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