3 years ago

Two numbers that multiply to -49 and add up to 0

Mathematics

1 answer:

Elenna [48]3 years ago

6 0

The only way to do that is with +7 and -7 .

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What is the answer to this maths watch question? Look at screenshot attached. Thank you.

forsale [732]

14-x=9

14=x+9

x=14-9

x=5

14+5=19

x+y=19

x-y=(-5)

Adding both equations,

We get,

x+y=19

x-y=(-5)

2x=14

x=7

x+y=19

7+y=19

y=12

3 0

2 years ago

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3a+4b=5a-t solve for a

7nadin3 [17]

Answer:

2b+t/2=a

Step-by-step explanation:

3a + 4b = 5a-t

-3a -3a

4b = 2a - t

+t +t

4b + t = 2a

/2 /2

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3 years ago

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Create your own real-world problem that uses either a two-step equation or two-step inequality to solve. Based on your real-worl

zhuklara [117]

Libby wants to make cookies for her whole class. There are 36 students in her class. The recipe Libby is going to use only makes 12 cookies. How many batches of cookies is Libby going to have to make to feed her whole class?
36/12

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3 years ago

Which best summarizes the Pythagorean Theorem?

bezimeni [28]

Answer:

the bottom right one

Step-by-step explanation:

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3 years ago

Here is a system of linear equations: y= x+4 y= -3x-8

ipn [44]

Answer:

A) (-3,1)

Step-by-step explanation:

<u>Given system of linear equations: </u>

y= x+4
y= -3x-8

---

x + 4 = -3x - 8
x + 3x = - 8 - 4
4x = -12
x = -3

Then

y =-3 + 4 = 1

Solution is (-3, 1)

Correct option is A

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3 years ago