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3 years ago

Which equation has solution x = -3?

Mathematics

2 answers:

KonstantinChe [14]3 years ago

6 0

A)2·(-3)-7=-1
-6-7=-1
-13=-1
b)-9+8=1
1=1
c)1+8=10
9=10

2+8=10
10=10
d)
2-6=-6
-4=-6

-2=-6

Viefleur [7K]3 years ago

3 0

You can pick B or D there both right

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Identify a possible first step using the elimination method to solve the system and then find the solution to the system. 3x - 5

irina1246 [14]

ans is b...multiply eqn 1 by -2 and eqn 2 by 3

=》 -6x + 10y = 4...eqn 3

=》 6x + 3y = 9...eqn 4

add eqn 3 and 4...

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5 0

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2 years ago

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Blizzard [7]

- 4 w - 4 = - 24
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5 0

4 years ago

This is due NOW and I’m FREAKING OUT OMG PLEASE HELP......

Wewaii [24]

Answer:

13: Skew

14: Parallel

16: Intersecting

17: Skew

18: No

19: Yes

20: No

21: Yes

Step-by-step explanation:

Skew is when 2 lines dont intersect, nor are parallel (On different planes)

Parallel is when 2 lines are on the same plane, and will never touch

Intersecting is when any set of given points go through each other

8 0

3 years ago

Identify the coefficient of 17xy3z12

expeople1 [14]

Answer: Coeffcient is 17

Explaination:-

Given expression is :

17xy³z¹²

To find the coefficient of given expression

In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series, or any expression; it is usually a number, but may be any expression.

For example : In 2x⁵

Coeffcient is 2

Now come to the question:

Coeffcient is 17.

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3 years ago