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Kisachek [45]
3 years ago
6

Solve the system using multiplication for the linear combination method.

Mathematics
2 answers:
swat323 years ago
7 0

Answer:

The answer is D

(2,3)

Step-by-step explanation:

storchak [24]3 years ago
4 0
If you would like to solve the system of equations, you can calculate this using the following steps:

6x – 3y = 3
–2x + 6y = 14     /*3
_________
6x – 3y = 3
<span>–6x + 18y = 42
</span>_________
-3y + 18y = 3 + 42
15y = 45
y = 45/15
y = 3

<span>6x – 3y = 3
</span>6x - 3 * 3 = 3
6x = 3 + 9
6x = 12
x = 12/6
x = 2

(x, y) = (2, 3)

The correct result would be (2, 3).
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Elis [28]
21 pints are in 42 cups
4 0
3 years ago
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Sara ran a race at a constant speed of 10 minutes per mile. The entire race was 10 miles long. How many minutes did it take her
Ivahew [28]

Answer:

100 minutes or 1 hour and 40 minutes

Step-by-step explanation:

10×10=100

5 0
3 years ago
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Simpify this expresion 7+5h+2h+7h2–2h2
yarga [219]

Answer:

5h^2 + 7h + 7

Step-by-step explanation:

We can simplify this expression by combining like terms.

To combine like terms, we are looking for terms that share the same variable and exponent.

First, we can see that the terms 7h^2 and -2h^2 share the same variable (h) and the same exponent (2).

7 - 2 = 5

This simplifies to 5h^2.

Next, we can see that 5h and 2h share the same variable (h) and the same exponent (1) so we can add these.

5+2=7

This simplifies to 7h.

Lastly, we can see that we just have 7, no more terms with the same variable (none). So this is 7.

Adding up all the terms in standard form (ax^2 + bx + c), we get 5h^2 + 7h + 7.

Hope this helped!

6 0
3 years ago
Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12 A. –16 B. –96 C. –14 D. –98
Tanzania [10]
12 ÷ 3 - 5(12) + 4(12 - 2)
= 4 - 60 + 4(10)
= -56 +40
= -16
6 0
3 years ago
Read 2 more answers
3x + 2y = 14. X + y = 5. Work put the values of x and y
andrey2020 [161]

Answer:

x = 4 , y = 1

Step-by-step explanation:

3x + 2y = 14 → (1)

x + y = 5 → (2)

Multiplying (2) by - 2 and adding to (1) will eliminate the y- term

- 2x - 2y = - 10 → (3)

Add (1) and (3) term by term to eliminate y

x = 4

Substitute x = 4 into (2) and evaluate for y

4 + y = 5 ( subtract 4 from both sides )

y = 1

7 0
2 years ago
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