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2 years ago

The following table gives the statements and justifications for solving the equation 4(x - 7) + 14 =

Mathematics

1 answer:

evablogger [386]2 years ago

4 0

Answer:

From top to bottom:

Simplify

Combine like terms

Subtract 3x from both sides

Add 14 on both sides

Step-by-step explanation:

Hope this helps

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Find the surface area of the sphere.

Mila [183]

$A = 201.1\:\text{cm}^2$

Step-by-step explanation:

Given: r = 4 cm

The surface area A of a sphere is given by

$A = 4\pi r^2 = 4\pi(4\:\text{cm})^2$

$\:\:\:\:\:= 201.1\:\text{cm}^2$

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3 years ago

I have two coins. One is fair, and has a probability of coming up heads of.5. \text {The second is bent, and has a probability o

aniked [119]

Answer:0.625

Step-by-step explanation:

Given

There are two coins one is fair and another is bent

Probability of getting a head on fair coin is 0.5

Probability of getting a head on bent coin is 0.75

If both coins are tossed once

probability of getting at least one of the coin will come up tails is

$P=1-P(both\ heads)$

$P=1-0.5\times 0.75$

$P=1-0.375$

$P=0.625$

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3 years ago

Find the value of x.

BigorU [14]

Answer:

x=11 degrees

Step-by-step explanation:

45+4x+1=90

46+4x=90

4x=44

x=11

4 0

3 years ago

Read 2 more answers

Who can answer this Algebraic Expression for me?<br><br>3(m-5)+m

egoroff_w [7]

Simply. 4m - 5.

3(m-5)+m

First, use distributive property

3m-15+ m

Combine like terms

3m + m

The answer

4m - 15

3 0

2 years ago

1)When adding two negative numbers, _________ the absolute value of the numbers and keep the negative sign.

butalik [34]

1) add.

for example -1 + -2 = - (||-1| + |-2||), which is -(1+2) or -3

2) subtract

for example 4 + -7 = -(||-7| + |4||), which is - |7 - 4| or -3

3) change
for example 3 - (- 2) = 3 + 2

4) -10

the sum is -10.25, which is closest to -10

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2 years ago

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