3 years ago

Help me with this two problems please.

Mathematics

1 answer:

hodyreva [135]3 years ago

5 0

The answer is 163 because you add them multipy

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5, 10, 45, 200, 300, 400 What is the standard deviation (Round to nearest 100)

atroni [7]

Using an online standard deviation calculator, the standard deviation is 166.46. When rounded to the nearest 100 it would be 200.

6 0

3 years ago

Change 1.4 to a fraction

Sliva [168]

So lets start off with:
4 tenths 4/10
1 shall be identically tantamount to 10/10.
10/10 + 4/10 = 14/10
Okay now it's time to simplify it:
14/10 = 7/5
The answer is 7/5.
I hope this helps you!

4 0

3 years ago

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What's the answer? Idk it bc I'm stupid and I don't feel like doing it

padilas [110]

The initial height is 4
after 2 seconds, the height is 8
Brainliest answer, please?

6 0

3 years ago

Choose all that correctly graph the exponential function.

Maslowich

Answer:

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7 0

2 years ago

A board 65 inches long is sawed into two pieces, so that one piece is 7 inches shorter than twice the length of the other piece

Pavel [41]

Answer:

The length of the two pieces are 41 in and 24 in

Step-by-step explanation:

Let

x -----> the length of one piece

y ----> the length of the other piece

we know that

$x+y=65$ -----> equation A

$x=2y-7$ -----> equation B

Solve the system of equations by substitution

Substitute equation B in equation A and solve for y

$(2y-7)+y=65\\ 3y=65+7\\ 3y=72\\ y=24\ in$

Find the value of x

$x=2(24)-7\\ x=48-7=41\ in$

therefore

The length of the two pieces are 41 in and 24 in

5 0

4 years ago

Read 2 more answers