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klio [65]
3 years ago
8

Please help ASAP I don’t understand this problem

Mathematics
1 answer:
hammer [34]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

angle 60 is congruent to angle (7x+25) because they are alternate interior angles. by setting 7x+25 equal to 60, you have the equation 7x+25=60. now you subtract 25 from both sides of the equation to get 7x=35. divide both sides of the equation by 7 to get your answer of x=5

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ariana grande is coming to north gulfport middle school for a fundraising benefit concert!Nevaeh is selling tickets.This week,sh
ArbitrLikvidat [17]

Answer:

Adult = $7

Kids = $4

Step-by-step explanation:

Before we can find the price of the tickets, we first need to create expressions that can be used to explain the prices.

Let x = Price of kids tickets

Let y = Price of adults tickets

For this week the expression is:

3x + 9y = 75

For the last week the expression is:

8x + 5y = 67

Now to be able to find the value of x or y, we can use the Solving Linear Equations by Multiplying First Method.

3x + 9y = 75

8x + 5y = 67

Now we need to remove either the x or y by multiplying the whole expressions by a certain number.

8(3x + 9y = 75)

24x + 72y = 600

3(8x + 5y = 67)

24x + 15y = 201

Now that we have our equations and we can eliminate the x by subtracting both expressions.

24x + 72y = 600

<u>- 24x + 15y = 201</u>

         57y = 399

To find the value of y, we divide both sides by 57.

\dfrac{57y}{57}=\dfrac{399}{57}

y = 7

Now that we have the value for y, we simply substitute the value in any of our expressions.

3x + 9y = 75

3x + 9(7) = 75

3x + 63 = 75

3x = 75 - 63

3x = 12

Now we divide both sides by 3 to find the value of x.

\dfrac{3x}{3}=\dfrac{12}{3}

x = 4

So the ticket prices are:

Adult = $7

Kids = $4

3 0
3 years ago
The radius of a sphere is measured to be 3.0 inches. If the measurement is correct within 0.01 inches, use differentials to esti
Zarrin [17]

Answer:

ΔV = 0.36π   in³

Step-by-step explanation:

Given that:

The radius of a sphere = 3.0

If the measurement is correct within 0.01 inches

i.e the change in the radius Δr = 0.01

The objective is to use differentials to estimate the error in the volume of sphere.

We all know that the volume of a sphere

V =  \dfrac{4}{3} \pi r^3

The differential of V with respect to r is:

\dfrac{dV}{dr }= 4 \pi r^2

dV = 4 πr² dr

which can be re-written as:

ΔV = 4 πr² Δr

ΔV = 4 × π × (3)² × 0.01

ΔV = 0.36π   in³

5 0
3 years ago
At a yearly basketball tournament, 64 different teams compete. After each round of the tournament, one-fourth of the teams remai
artcher [175]

Answer:

64*(1/4)^x

Step-by-step explanation:

64 is the starting number because it is given, and x represents how many rounds there are. 1/4 represents how much of the teams remain after each round.

5 0
3 years ago
What is the unit money rate per year?
Juliette [100K]

Answer:

Step-by-step explanation:

.012

7 0
3 years ago
In june 2005 peter mailed a package from his local post office in fayetteville north carolina to a friend in radford virginia fo
erik [133]

0.23w = 2.07

w = 2.07 ÷ 0.23

w = 9 ounces

7 0
3 years ago
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