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belka [17]
3 years ago
8

Please help! ! ! ! !

Mathematics
1 answer:
Vladimir [108]3 years ago
3 0
B is the answer how you do good
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Hey can you please me asap!
crimeas [40]

Answer:

It's D

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Weight of three boys is 25 kg 28 kg and 31 kg respectively. Find the average weight of the boys.
melamori03 [73]

Answer:

C)

Step-by-step explanation:

Find the total sum

25+28= 53

53+31=84

Fimd the average by dividing by 3

84/3= 28

Hence, the answer is c

4 0
3 years ago
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Solve the linear equation using equivalent equations to isolate the variable. Express your solution as aninteger, as a simplifie
MakcuM [25]

Recall that like terms are terms that have the same variable with the same exponent, and that all constants are like terms.

To solve the given equation for y, first, we add like terms:

-10.4=y-1.6.

Now, adding 1.6 to both sides of the equation, we get:

\begin{gathered} -10.4+1.6=y-1.6+1.6, \\ -8.8=y\text{.} \end{gathered}

Answer:

y=-8.8.

6 0
1 year ago
Guided Practice
Marina86 [1]

Answer:

t = -0.22secs and 0.85secs

Step-by-step explanation:

Given the expression

h = –16t² + vt + c.

If a child tosses a ball upward with a starting velocity of 10 ft/s from a height of 3 ft, then;

v = 10, c = 3

Since we are to let h = 0, then the equation becomes:

0 = –16t² + 10t + 3

Multiply through by a minus sign

16t² - 10t - 3 = 0

Factorize the reulting expression:

t = -(-10)±√(-10)²-4(16)(-3)/2(16)

t = 10±√100+192/32

t = 10±√292/32

t = 10±17.09/32

t = 10-17.09/32 and 10+17.09/32

t = -7.09/32 and 27.09/32

t = -0.22secs and 0.85secs

3 0
3 years ago
What is -(-9y+2)-3y=-8
stiks02 [169]
The answer is y=5/6!!
8 0
2 years ago
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