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BabaBlast [244]
3 years ago
8

3. The class average on test 1 was 84. The

Mathematics
1 answer:
yawa3891 [41]3 years ago
3 0

Answer:

First off there is no way this is middle school but the answer is 76

Step-by-step explanation:

84-8=76

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A small fish is dropped by a pelican that is rising steadily at 0.50 m/s. How far below the pelican is the fish after 2.5 s? Ple
alexandr1967 [171]
The initial velocity of the fish is the same as that of the pelican and it is -0.50 m/s. The distance traveled by the object is given by the equation,
                                 d = (V1)t + 0.5at²
where t is equal to 2.50s and the acceleration due to gravity, a, is 9.80 m/s². Substituting,
                                 d = (-0.50 m/s)(2.5 s) + 0.5(9.8 m/s²)(2.50 s)²
                                     d = 30.625 m
Thus, the answer is letter C. 
5 0
3 years ago
Sketch the curve given by the set of parametric equations. x=t^2+4 y=t/5 +8
dangina [55]

Answer:  see attached graph

<u>Step-by-step explanation:</u>

Choose values for t and plug them into the x equation and y equation to find the x,y coordinates.

Usually there is an interval provided.  Since you did not specify an interval, I chose to use [-2, 2].

\begin{array}{c||c|c||c}t&x&y&(x,y)\\-2&8&\frac{38}{5}=7.6&(8,7.6)\\\\-1&5&\frac{39}{5}=7.8&(5,7.8)\\\\0&4&\frac{40}{5}=8.0&(4,8.0)\\\\1&5&\frac{41}{5}=8.2&(5,8.2)\\\\2&8&\frac{42}{5}=8.4&(8,8.4)\end{array}

7 0
3 years ago
Use the distributive property to write each expression as an
notsponge [240]

Answer:

Use the distributive property to write each expression as an equivalent algebraic expression:-

a.) 4(x + 5) = 4x + (4 x 5 ).

= 4x + 20 .

b.) 3(2x - 4) = 3 x 2x = 6x - (3 x -4 )

= 6x - 12 .

C.) -2(x - 6) = -2x - ( -2 x -6 ) .

= -2x - 12 .

<h2>Hope this helps you !! </h2>
7 0
2 years ago
Read 2 more answers
The sum of two consecutive integers is 37. Write an equation that models this situation and find the values of the two integers.
Aleksandr-060686 [28]
N + (n+1) = 37

n+n + 1 = 37
2n + 1 = 37
2n = 36
n = 18
n+1 = 19

18 and 19

Hope this helps ^_^

6 0
3 years ago
Olga buys a 5-year increasing annuity for X. Olga will receive 2 at the end of the first month, 4 at the end of the second month
kati45 [8]

Answer:

Nominal interest rate is = 9% converible quaterly

we need to find monthy effective interest rate

0.09

i = 0.00744 or 0.75% approximately

i can also be taken as = 0.09/12

now PV of annuity will be the market price i.e x

6 60 *2 ---------------------a

Multiply equation by \frac{1}{1+i} both sides

6 60 2 PV ---------------b

Subtract equation b from a

60 2 PV (1 1+i (1+2)1 (1+2)2 (1+2)3 (1+2)60 (1+961

60 2 PV( 1 +i

on putting i = 0.00744

PV = 2733.88 approximately

X = 2733.88

Step-by-step explanation:

8 0
3 years ago
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