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2 years ago

4. What is step 2 in the problem-solving process?

Mathematics

2 answers:

Katena32 [7]2 years ago

8 0

A is the answer:):):)

elixir [45]2 years ago

7 0

Step 1: Read the problem carefully.

Step 2. Write down the facts and figures.

Step 3. Find a relation between what's given and what must be found.

Step 4. Decide which mathematical operation will produce the desired result.

Step 5. Do the work neatly and label the answer correctly.

Step 6. Check your work.

The answer is A.

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Use elimination to solve each system if equation 3x+2y=0and x-5y=17

kotykmax [81]

Answer:

$y = -3$

$x=2$

Step-by-step explanation:

$3x + 2y = 0$

$x - 5y=17$

to use the elimination you have to make one of the numbers same

$3(x-5y=17)$

and you would have to change the sign so that both of the 3x could cancel out.

New system of equation

$3x + 2y = 0$

$-3x+15y=-51$

$17y=-51$

$y = -3$

so we know the y value so now you could find the x value take one equation

$x - 5y=17$

$x +15=17$

$x = 2$

you could try it with both of the equations

$3x + 2y = 0$

$3x + - 6=0$

$3x-6=0$

$3x=6$

$x=6/3$

$x=2$

6 0

2 years ago

How do you find the range of a linear graph

LUCKY_DIMON [66]

The range is the possible y-values of the graph. If you have a specific equation, post it.

8 0

2 years ago

Factor 5v^2 - 23v - 10

AfilCa [17]

Answer:

$(5v + 2)(v - 5)$

Step-by-step explanation:

Hello!

The expression is written in the form of $ax^2 + bx + c$

Let's factor by grouping:

$ac = -50$

The sum of the factors of -50 should add up to -23.

-25 and 2 work for this.

Expand and factor:

$5v^2 - 23v - 10$
$5v^2 - 25v + 2v - 10$
$5v(v - 5) +2(v -5 )$
$(5v + 2)(v - 5)$

The factored expression is $(5v + 2)(v - 5)$

7 0

1 year ago

Veronica bought 20 bags of candy for a school dance. The first 5 bags cost $1.79 each. The rest of the bags cost $1.19 each. How

scZoUnD [109]

Answer:

$26.80

Step-by-step explanation:

multiply 1.79 by 5 and you get 8.95

multiply 1.19 by 15 now because there are 15 uncounted bags left and you get 17.85

add together and you get 26.8. she spent 26.8 dollars on candy

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2 years ago

A machine has 11 identical components which function independently. the probability that a component will fail is 0.2. the machi

Feliz [49]

The probability of 3 failures or less is about 0.83886, so that is the probability the machine will be working.

8 0

2 years ago