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3 years ago

Exercises 1-3, tell which equation you would choose to solve for one of the variables. Explain.

Mathematics

2 answers:

Archy [21]3 years ago

7 0

I would choose the 1 first one

Oksi-84 [34.3K]3 years ago

4 0

Answer:

1, because you can subtract both equations to eliminate y , and you will be left with only x.

Step-by-step explanation:

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Solve for x in the equation 2x^2+14x+17=-96

goblinko [34]

$2x^{2}+14x+17=-96 \newline
2x^{2}+14x+113=0 \newline
\Delta = b^{2}-4ac = 14^{2} - 4 \cdot 2 \cdot 113 = -708.$

Since $\Delta$ is negative $\Rightarrow x \notin \mathbb{R}.$

5 0

3 years ago

LCM of two numbers is 1320 their HCF is 12 if one of the numbers is 132 find the other

guapka [62]

Answer:

brainliest plzzzzzzzz

120

Step-by-step explanation:

LCM=1320

(GDC) HCF=12

Another no.=132

let second no. be =A

According to question

First no.×Second no.=HCF×LCM

132×A=12×1320

132×A=15840

A=15840/132

A=120

Other no. is 120

5 0

3 years ago

Evaluate the expression (18+7)+5³-9

wel

Answer:

141

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Hello please help thanks

pickupchik [31]

Answer: Gas

Step-by-step explanation: This is the only matter that can be raised form the lakes and oceans

5 0

3 years ago

When performing a horizontal analysis on an income statement, the percentage change in any individual item is calculated by div

oksian1 [2.3K]

Answer: C. the base period amount.

Explanation: While implementing a horizontal analysis on a given income statement, we compute a percentage change in any individual item by dividing the dollar amount of change from base to current time period with the base period amount.

i.e. % Change in Individual item = $\frac{Current\ Dollar\ - Base\ Dollar }{Base \ period \ amount}$

Therefore, the correct option in this case is (c)

4 0

3 years ago