MATHEMATICS MIDDLE SCHOOL

What is -10-9b+7b+5 simplified

Answers

Answer 1

Answer:

what is -10-9b+7b+5 simplified

-10+5 -9b+7b

-5 -2b

Answer: -5-2b

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Is 5 feet greater, less or equal than 60 inches?
How to change 3 7/8 into an improper fraction
I need the answers for 23,24,25

How do I find the missing measurements?

Answers

Answer:

CD = 10

AD = 22

EC = 13

AC = 26

∠CAD = 23°

∠BAC = 47°

∠ADC =110°

Step-by-step explanation:

A parallelogram is a quadrilateral with two sets of opposite parallel lines.

Which mean in ABCD parallelogram given AB is parallel to DC and BC is parallel to AD.

Now lets find the values required,

CD = AB (Opposite sides are equal in length)

But, AB= 10 (given) therefore CD = 10.

AD = BC (Opposite sides are equal in length)

But, BC= 22 (given) therefore AD = 22.

EC = AE (Diagonals bisect each other)

But, AE= 13 (given) therefore EC = 13

AC = AE + EC

= $13+13$

AC = $26$

∠CAD = ∠BCA (Alternate interior angles are equal)

But, ∠BCA = 23° therefore, ∠CAD = 23°

∠BAC = ∠ACD (Alternate interior angles are equal)

But, ∠ACD = 47° therefore, ∠BAC = 47°

∠ADC + ∠BCD = 180° (Consecutive interior angles)

But, ∠BCD = 23°+47°=70°

∠ADC = 180°- ∠BCD

=180°-70°

∠ADC =110°

Carla earns $13 an hour cleaning house. How much will she earn if she works from 8:00 to 2:00?

Answers

8pm to 2am, or 8am to 2pm, either way, Carla would've worked for 6 hours.

6*$13=$78

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Carla would earn $78 if she were to clean for 6 hours.

If Carla worked 6 hours and earned $13 an hour. All you need to do is multiply

13 x 6 = 78

So, Carla would have earned $78.00 for working the 6 hours.

Hope this helps you. :-)

How many centimeters is in 2 inches

Answers

2 inches is equal to 5.08 centimeters

Hope this helps you. :-)

5.08 cenimeters

[hope this helps]

How to write 3 9/100 into a decimal?

Answers

How do you write 39/100 into a decimal form is by simply dividing 39 to 100.
Hence,
1. 39 / 100 = 0.39

0.39 is the decimal form of the given value.
Other examples can include:
1. 100 / 1000 = 0.1
2. 45 / 10 = 4.5

How do you write 39/100 into a decimal form is by simply dividing 39 to 100.

Hence,

1. 39 / 100 = 0.39

0.39 is the decimal form of the given value.

Other examples can include:

1. 100 / 1000 = 0.1

2. 45 / 10 = 4.5

Eric has 350 seashells. He has 60 seashells more than Ana. How many seashells does Ana have