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mrs_skeptik [129]
3 years ago
9

When would you solve by elimination?

Mathematics
2 answers:
alina1380 [7]3 years ago
8 0

Answer:

when its a linear equation

Step-by-step explanation:

Rus_ich [418]3 years ago
4 0

Answer:

In the elimination method you either add or subtract the equations to get an equation in one variable. When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable.

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Allana used Fraction 3 over 5 yard of fabric to make a scarf. Can she make 2 of these scarves with Fraction 1 and 7 over 10 yard
Delvig [45]

Answer:

Step-by-step explanation:

Divide 1 7/10 by 3/5 to see if the quotient is greater than 2.  If it's not, you can't get 2 scarves out of it.  If it is, then you can get 2 scarves out of it and have whatever the remainder is as left-over.  Before we divide, let's change that 1 7/10 into an improper fraction since it will be easier to work with.

1 7/10 = 17/10

Now we can divide:

\frac{\frac{17}{10} }{\frac{3}{5} }

The rule for dividing fractions is that you bring up the lower fraction and flip it to multiply, so that looks like this:

\frac{17}{10}×\frac{5}{3}

To simplify before we multiply, we can reduce between the 5 and the 10 and have smaller numbers to deal with:

\frac{17}{2}×\frac{1}{3}

The product there is \frac{17}{6}=2\frac{5}{6}

So the answer you want from your choices is

"Yes, because the quotient of Fraction 1 and 7 over 10 [division sign]Fraction 3 over 5 is 2 and 5 over 6", third choice

3 0
3 years ago
Read 2 more answers
August is making dinner for 8 people. She opens 7 cans of soup. Each can is 16 ounces. If everyone gets the same amount of soup,
pshichka [43]

Answer:

14oz soup/ person

Step-by-step explanation:

the answer would be 14oz of soup/person

multiply 7 (cans of soup) by 16 (oz per can)

7*16=112

divide 112 (oz of soup total) by 8 (number of people feeding)

112/8=14

8 0
3 years ago
How do negative exponents become positive?
m_a_m_a [10]
Multiply (or distribute) the exponent outside the parenthesis with every exponent inside the parenthesis, remember that if there is no exponent shown, then the exponent is 1. Step 3: Apply the Negative Exponent Rule. Negative exponents in the numerator get moved to the denominator and become positive exponents.
8 0
3 years ago
Graph y <br><img src="https://tex.z-dn.net/?f=y%5Cleqslant%201%20-%203x" id="TexFormula1" title="y\leqslant 1 - 3x" alt="y\leqsl
Sav [38]

Answer:

option on first row on the right

Step-by-step explanation:

Since the inequality contains an equal sign, the boundary line must be included in the graph (it should appear as solid)then you need the points y that are less (below) those on the boundary line. So you should highlight the half plane below the boundary line.

7 0
4 years ago
20.) Using the cross multiplication method, which of the following is the solution to 18/6x = 4/(x+3)?
Likurg_2 [28]

Answer:

B. 9

Step-by-step explanation:

7 0
3 years ago
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