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Tom [10]
4 years ago
7

You are asked to write a single variable equation to solve a word problem with two unknown amounts what do you do

Mathematics
1 answer:
melisa1 [442]4 years ago
3 0
You'll need to create two equations and have a 'system of equations' then use direct substitution to turn the equation into one. Whichever equation is easiest to solve for x or y. Solve that one for x or y and plug the result in for the variable in the other equation. Then you will have an equation with only 1 unknown.


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The probability that Brock scores a penalty kick is 3/10. If he shoots 50 penalty kicks, how many "goals" can Brock expect to ma
Tema [17]

Answer:

15/50

Step-by-step explanation:

1'st step : Multiply the numerator and the denominator by 5 so that the denominator could get the number 50

3x5/10x5= 15/50

therefore, Brock could score 15/50 penalty kicks because 15/50 is equivalent to 3/10

4 0
3 years ago
What is the measure of egf <br><br> A.40<br> B.55<br> C.65<br> D.80
Delicious77 [7]

Answer: C. 65

Step-by-step explanation:

Concept:

Here, we need to know the concept of an isosceles triangle.

An isosceles triangle is a triangle that has any two of its sides equal to each other. The corresponding angles of the equal sides are also equal.

If you are still confused, you may refer to the attachment below for a graphical explanation.

Solve:

Let x be m∠EGF

2x + 50 = 180 ⇒ Write the equation

2x + 50 - 50 = 180 - 50 ⇒ Subtract 50 on both sides

2x = 130 ⇒ Simplify

2x / 2 = 130 / 2 ⇒ Divide 2 on both sides

x = 65 ⇒ Simplify

Hope this helps!! :)

Please let me know if you have any questions

5 0
3 years ago
Read 2 more answers
Which values are solutions to the inequality below? √x &gt; 25?
dezoksy [38]

Answer:

C and D

Step-by-step explanation:

So basically when u square -5 or +5, u get 25 either way

And since the square root of x is greater than or equal to 25, u can use both of them for answers.

5 0
3 years ago
According to research, how does the public view children and teens with mental health disorders? Group of answer choices A stati
Liono4ka [1.6K]

According to research, the public views children and teens with mental health disorders as over 1,300 U.S. adults believe children with depression are prone to violence

Answer: Option B

<u>Explanation:</u>

Most Americans trust that the people count has increased with mental health disorders in the last 20 years (69 %) and that is a major health issue in the US (89 %) according to the results of survey. They believe that mental health disorders are caused by physical disorders (like brain’s chemical imbalance or due to environmental criteria (daily stress or alcoholism / abuse of drugs).

Over nine out of ten respondents cited those factors as typical causes for mental health disorders. When asked about the most common causes of this, nearly 27 % reported chemical brain imbalances and stress in their daily lives, and 20 % reported alcohol or drug abuse.

7 0
3 years ago
What is the equation of the line, in slope-intercept form, that passes through the
faltersainse [42]

Answer:

y = \frac{-1}{6}x - \frac{7}{3}

Step-by-step explanation:

1. Find the slope -3- -2 / 4 - -2  so -3+2/4+2, -1/6 so m = -1/6

2.  Find y intercept (b)   y = mx + b so -2 = -1/6(-2) + b, -2 = 1/3 + b

b = -2-1/3, b = -6/3 - 1/3, so b = -7/3

3.  Put it all together y = mx + b so y = -1/6x -7/3

7 0
3 years ago
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