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amid [387]
2 years ago
12

What is -10 + -10 I’ll give brainliest

Mathematics
1 answer:
mars1129 [50]2 years ago
3 0

Step-by-step explanation:

-10 + ( -10)

= -10 - 10

= - 20

Hope it will help .

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Help me plzzzzzzzzzzz
Inga [223]

Answer:

A = 3

B = -5

C = 2

Step-by-step explanation:

The way to format a quadratic equation is: ax^2 + bx + c, so the first step to solving this is to format it in the right way, where the x^2 comes first, the x second, and the number alone.

After formatting, your equation should look like this: 3x^2 - 5x + 2

From here, you can see the the <em>a </em> is 3, the <em>b</em> is -5, and the <em>c </em>is 2

7 0
3 years ago
The skoblickis are building a new home. The scale drawing below shows their master bedroom. Find the length and width of the act
jolli1 [7]

Answer:

Length: 20

Width:15

Step-by-step explanation:

Hope this Helps!

3 0
2 years ago
|-9| = |9| true or false.
bogdanovich [222]

Step-by-step explanation:

1) -9 = 9 true/false

the answer is false because negative and positive quite unlike in terms.

2) -(-21) = -21

Using the symbols multiplication rule,

Where,

<h2>+ × + = +</h2><h2>- × - = +</h2><h2>- × + = -</h2><h2>+ × - = -</h2>

Therefore, -(-21) = +21 = 21

⟼ 21 = -21 \sf true / \:  \sout{false}

6 0
2 years ago
Read 2 more answers
A theater has 1200 seats. Each row has 20 seats. Write and solve and equation to find the number x of rows in the theatre
vfiekz [6]

Answer:

1200÷20=x and x=60

Step-by-step explanation:

  60

x 20

---------

1200

8 0
3 years ago
PLEASE HELP LOTS OF POINTS!!!!!!!! TWO QUESTIONS!!!!!!!!!
zubka84 [21]

Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7

Step-by-step explanation:

The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.

6 0
3 years ago
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