All categories

3 years ago

How many solutions does the system have?

Mathematics

1 answer:

Zina [86]3 years ago

7 0

The correct answer is A, First equation mult by 3 u will have the second one

You might be interested in

find the present and future value of $1000 received every month end for 20 years if the interest rate is j12=12%p.a

GenaCL600 [577]

Answer:

asasassasas

Step-by-step explanation:

4 0

3 years ago

Which expression can be used to find the quotient of 15 and 1/3?

Naya [18.7K]

Answer:

D

Step-by-step explanation:

Quotient means that it is a division equation.

Hope this helps!

5 0

3 years ago

Read 2 more answers

Ralph’s average score for 5 tests was 82. on four of the tests his scores were 85, 73, 92, 66. what was the fifth test score?

SCORPION-xisa [38]

Answer:

Step-by-step explanation:

Let the unknown number be denoted by the variable, x. Also note that, the average can be found by adding all values together and dividing by the amount of values there are.

Set the equation:

(85 + 73 + 92 + 66 + x)/5 = 82

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Simplify first by combining like terms, and then do the opposite of PEMDAS.

PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& roots)

Multiplications

Divisions

Additions

Subtractions.

Combine like terms:

(85 + 73 + 92 + 66 + x)/5 = 82

(316 + x)/5 = 82

Next, isolate the x, by multiplying 5 to both sides of the equation:

(316 + x)/5 * 5 = (82) * 5

316 + x = 82 * 5

316 + x = 410

Lastly, subtract 316 from both sides of the equation:

x + 316 = 410

x + 316 (-316) = 410 (-316)

x = 410 - 316

x = 94

94 is the final test score.

5 0

2 years ago

John and Alan have a collection of x baseball cards. John has x/4 cards. What fraction of the cards does Alan have?

Furkat [3]

The fraction of cards that Alan has is 3x/4. The correct answer is B.

x-x/4
4x-x/4
3x/4
he has 3x/4 cards

3 0

3 years ago

Read 2 more answers

A fruit stand has to decide what to charge for their produce. They need \$10$10 for 44 apples and 44 oranges. They also need \$1

KatRina [158]

Answer:

We can't find a unique price for an apple and an orange.

Step-by-step explanation:

Suppose, the price of an apple is $x$ and the price of an orange is $y$

They need $10 for 4 apples and 4 oranges. So, the first equation will be.......

$4x+4y=10 ........................................(1)$

They also need $15 for 6 apples and 6 oranges. So, the second equation will be........

$6x+6y= 15 ........................................(2)$

Dividing equation (1) by 2 on both sides : $2x+2y= 5$

Dividing equation (2) by 3 on both sides : $2x+2y=5$

So, we can see that both equation (1) and (2) are actually same. That means, we will not get any unique solution for $x$ and $y$ here. Both $x$ and $y$ have "infinitely many solutions".

Thus, we can't find a unique price for an apple and an orange.

4 0

3 years ago