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3 years ago

Solve for a. a+0.3=−2

Mathematics

2 answers:

serious [3.7K]3 years ago

7 0

Answer:

a = −2.3

Step-by-step explanation:

Move all terms not containing a to the right side of the equation.

omeli [17]3 years ago

3 0

Answer:

a = -2.3

Step-by-step explanation:

move 0.3 onto the other side so it becomes -0.3
now it is : a = -2 - 0.3
(-2 - 0.3) is just -2.3
a = -2.3

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Lulu wants to get fit. She started with 50 laps a day and she intends to add 10 laps every week. Write a mathematical expression

vlabodo [156]

Answer: 10x + 50

Step-by-step explanation:

lets say that x is equal to the amount of weeks that she runs. She starts off the first week with 50

Then, since she is adding 10 every week, you would do 10x, or 10 times the amount of weeks that she runs.

Since you originally started with 50, you have to add the 50 to the 10x.

So you get...

For example

on week 2, if you plug in 2 to x you get

10(2) +50

20 + 50

70 laps after the second week

7 0

1 year ago

Which of the following statements are true?

Butoxors [25]

Answer:

Step-by-step explanation:

i think it's correct if not I'm sorry

3 0

3 years ago

Please help me please thank you

AleksandrR [38]

Answer:

x = 15

Step-by-step explanation:

angles 2 and 4 are supplementary so they add up to 180

2x + 10 + 4x + 80 = 180

6x + 90 = 180

6x = 90

x = 15

7 0

3 years ago

Read 2 more answers

I really need help with this guys please help it’s due tomorrow and I’m so frikin dumb

il63 [147K]

Possible 24 impossible 3

5 0

2 years ago

Match each set of vertices with the type of quadrilateral they form.

Serjik [45]

Only correct the first one.

Please, see the graph in the attached file.

1) a rectangle with    A(3,3), B(3,6),
noncongruent ←→ C(7,6), D(7,3)
adjacent sides
(in green)

2) a parallelogram
with A(2,0), B(3,2)
nonperpendicular ←→ C(6,3), D(5,1)
adjacent sides
(in blue)

3) a square ←→ A(3,3), B(2,5),
(in red) C(4,6), D(5,4)

4) a rhombus with       A(2,-2), B(3,0),
nonperpendicular    ←→ C(4,-2), D(3,-4)
adjacent sides
(in black)

5 0

3 years ago