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3 years ago

Find me midpoint of -9 and 6

Mathematics

2 answers:

Ymorist [56]3 years ago

4 0

The answer I believe is -2. Thank you come again

Alexandra [31]3 years ago

4 0

Answer:

-3/2 or -1.5

Step-by-step explanation:

1) Write out the numbers:

-9, -8, -7, -6, -5, -4, -3, [-2, -1] 0, 1 , 2, 3, 4, 5, 6

2)-2 and -1 are in the middle

3)Add the numbers in the middle and divide by 2

Add the 2 numbers: (-2)+(-1)=-3

Divide by 2: -3/2
Answer: -1.5

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If x = 14 cm, y = 7 cm, and z = 8 cm, what is the surface area of the figure?

Nat2105 [25]

Formula for sufrace area of rectangular prisms: S= 2 (lw + lh + wh)

for the first prism, x=14, plug 14 into 2(x)--> 2(14)=28

7,8,28

S= 2 [7(8)+7(28)+8(28)]

S= 2 (28+196+224)

S= 2(448)

S= 896

for the second prism, x is just 14

7,8,14

S= 2 [7(8)+7(14)+8(14)]

S= 2 (28+98+112)

S= 2(238)

S= 476

Add the two sufrace areas we found and the answer will be

D) S= 1,372

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2 years ago

Solve for x. (Round your answer to two decimal places)<br><br> log x = -2

jarptica [38.1K]

we are given

$log(x)=-2$

we know that

whenever nothing is given in base

we will assume base =10

$log_1_0(x)=-2$

so, we can solve for x

we can take exponent 10 on both sides

$10^{log_1_0(x)}=10^{-2}$

now, log will be cancelled with 10

we get

$x=10^{-2}$

$x=0.01$ ..............Answer

6 0

3 years ago

Read 2 more answers

Describe in words how you would solve the linear system y = 3x + 1 and y = - 2x + 3.

Sergio [31]

We are using substitution to solve this problem.

y=3x+1
y=-2x+3
Make these equal each other: 3x+1=-2x+3
Add 2x to both sides: 3x+2x+1=-2x+2x+3
= 5x+1=3
Subtract 1 from both sides; 5x+1-1=3-1
= 5x=2
Divide 5 from both sides: 5x/5=2/5
X= 2/5
Plug X into one of the equations: y=3(2/5) +1
y=11/5(2.2)

(2/5,11/5)

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3 years ago

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Romashka-Z-Leto [24]

2466/3 is equal to 822.

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3 years ago

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lara31 [8.8K]

Answer:

451.5

Step-by-step explanation:

I'm rusted on the mathematics

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3 years ago