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Lorico [155]
3 years ago
13

Simplify the expression: 2(2 + 7b) =

Mathematics
1 answer:
nikitadnepr [17]3 years ago
4 0

Answer:

4 + 14b

Step-by-step explanation:

First, you need to distribute so,

2*2= 4   and

2*7b= 14b

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The escape velocity from planet Earth is 11,184.7258 meters per second. If a ship reaches this speed and maintains it, then negl
Masteriza [31]

Answer:

Step-by-step explanation:

Distance between earth and moon in meters = 386400 x 10³ m

Speed of ship = 11184.7258 m / s

Time taken = distance of moon from earth / speed of ship

= 386400 x 10³ / 11184.7258

= 34.5471 x 10³ s

= 34.5471 x 10³ / 60 x 60 hour

= 9.596 hours

6 0
3 years ago
State the property that justifies each statement:1. If 80 mA, then me = 802. If RS - TU and TU = YP, then RS = YP2.3. If 7x 28,
BabaBlast [244]

Question 3

if 7x = 28

divide both sides by 7

7x/7 = 28/7

x = 4

This is division property of equality

Question 1

if angle m is 80 degrees the m = 80 degrees

this can be a congruent angles or alternate angles are equal

this is symmetric property of equality

Question 5

m1 = 30 and mz1 = m2, then m2 = 30

this property is transitive property of equality

Question 2

if RS - TU and TU =YP, then RS = YP

this means you can substitute RS with YP

then we have our new expression as

YP - YP

this is substitution property of equality, this is because we are substituting a function with another function

4 0
1 year ago
What is the value of x?<br><br><br> Pls hurry!!!
eduard

Answer:

C. 120

Step-by-step explanation:

Hope it helps!

4 0
3 years ago
If 540 people preferred pizzia, how many people preferred hamburgers
Licemer1 [7]

Answer:

900 people preferred hamburgers.

Step-by-step explanation:

540/x=60/100

cross multiply

60x=54,000 then

60x/60=54,000/60

x=900

so 900 people preferred hamburger

8 0
3 years ago
A group of workers can plant 2/5 acres in 7/8 days. What is the unit rate in acres per day?
ivann1987 [24]
16/35

In 1/8 of a day they plant 2/35 of an Acre
So multiply 1/8 by 8 to get one day next do this to the rest of the problem 2/35 times 8 is 16/35 and that’s the answer
8 0
3 years ago
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