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V125BC [204]
2 years ago
11

A student has a total of 233 points on three tests. The scores on the first and second tests are the same. The third score excee

ds the second (or the first) by 14. Find the three scores.
Mathematics
1 answer:
skad [1K]2 years ago
5 0

Answer:

Let the scores on the first two test be x

Let score for third test be 14 exceeds second( or first) = x + 14

Total = 233

x + x + (x + 14) = 233

3x + 14 = 233

3x = 219

x = 73

Score of the third test = x + 14 = 73 + 14 = 87

Therefore, the scores are 73, 73, 87

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Alonzo wrote the equation x = 2+4y-5. Which equation is equivalent?
Rainbow [258]

Consider the equation x = 2+4y-5, it can be expressed as x = 4y-3.

Now, we have to write the equivalent equation.

Since, Equivalent equations are those equations which have exactly same solution. We can say that the two equations are equivalent if solution of one equation is the solution of other equation.

So, consider the equation x = 4y -3

Equivalent equation can be obtained by multiplying the given equation by any number say '2'.

Multiplying both sides of the given equation by '2'.

x = 4y-3

2 \times x = 2 \times (4y-3)

2x = (2 \times 4y)-( 2 \times 3)

2x = 8y-6 is the required equivalent equation.

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2 years ago
What is the area of a circle with a radius of 35 inches<br> in2<br> (Use 3.14 for Pi.)
Amanda [17]

Answer: area= 3846.5 inch^2

Step-by-step explanation:

Area of circle = πr^2

Where r is the radius and pi is 3.14

So, we get..

3.14 x (35)^2

= 3.14 x 35 x 35

= 3.14 x 1225

= 3846.5 inch^ 2

6 0
3 years ago
Read 2 more answers
What is 784 divided 4
n200080 [17]
784/4 = 196

196 * 4 = 784

4 * 196 = 784

So the answer is : 196
8 0
3 years ago
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If an object is projected upward from ground level with an initial velocity of 128 ft per sec, then it's height in feet after t
antoniya [11.8K]

Answer: t= 4 seconds

Maximum height = 256 feet

Step-by-step explanation:

The height of the object projected upwards after t seconds is given by

s(t)=-16t^2+128t.

The expression is a quadratic equation. When this equation is plotted on a graph, height against time, it takes the shape of a parabola whose vertex represents the maximum height attained by the object.

To get the value of t at the maximum height,

t = -b/2a

From the equation,

a = -16

b = 128

t = -128/-2×-16

= -128 /- 32= 4

it will take 4 seconds to reach its maximum height

To find maximum height attained, put t= 4 in the equation

s(t)=-16t^2+128t

S = -16× 4^2 + 128×4

S = -256+512

S = 256 feet

3 0
3 years ago
27. Reason Adam invests $8,000 in an account that
USPshnik [31]

Answer:

Jacinta will have more money

Step-by-step explanation:

  • For the same amount of investment and interest rate, compound interest is greater with greater number of compounds.
  • Continuous compound is closer to daily compound which makes more compounds and returns than quarterly compound.

The interest amount is provided below for quarterly and daily compound:

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  • 2,307.89

Jacinta will have more money

7 0
2 years ago
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