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3 years ago

Which equation has a graph parallel to the graph of 9x + 3y = –22 ?

Mathematics

2 answers:

natima [27]3 years ago

8 0

Answer:

For those of you doing unit 6 lesson 6 parallel and perpendicular lines, questions 1-5

( I know these answers are correct because I just did it )

Step-by-step explanation:

1. B

2. A

3. C

4. C

5. D

sweet-ann [11.9K]3 years ago

6 0

An equation which has a graph that is parallel to the equation <span>9x + 3y = –22 should have the same slope as the given equation which is 3. Parallel lines are lines that do not meet or intersect at any point. They are characterized by having the same slope. For this case, any equation which has the slope of 3 will be parallel to the equation.</span>

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Need help please and thank you

Inessa [10]

A is correct.
If the two shorter sides squared and added together, equals the longer side squared, then it is a right triangle.

5 0

3 years ago

Ten weight lifters are competing in a team weight-lifting contest. Of the lifters, 3 are from the United States, 4 are from Russ

ruslelena [56]

Answer:

(a) 65536 - the basic principle of counting

(b) 2520 - use the multinomials.

Step-by-step explanation:

Divide 8 people among 4 schools

The teachers are different among themselves, and so are the schools.

(a)

Every teacher can choose a school. By the basic principle of counting: 4.4.4.4.4.4.4.4 = 4^8 = 65536

different divisions of the teachers

Note: this does not ensure that every school gets a teacher

(b) - <u>Every school gets precisely 2 teachers:</u>

to divide 8 different objects into four groups of fixed sizes 2, 2, 2 and 2, use the multinomial coefficient

( 8 2, 2, 2, 2) = (8!)/(2!2!2!2!) ==> 2520

different divisions of the teachers

5 0

3 years ago

7 less than the ratio of 6

Wewaii [24]

Answer:

-5

Step-by-step explanation:

the lowest ratio of 6 is 2 so 7 less then 2 is -5

7 0

4 years ago

Does the construction demonstrate how to bisect a segment correctly by hand?

nadya68 [22]

Answer:

see below (I hope this helps!)

Step-by-step explanation:

First of all, we can clearly tell that a straightedge was used to create CD but that doesn't prove anything so we can eliminate the second and fourth options. Upon measuring the lengths of AC and CB, we see that they are equal so the answer is Yes; the compass was kept at the same width to create the arcs for points C and D. The reason why this is so important is because we know that AC = CB = BD = DA because the compass width is the same, so therefore, ACBD is a rhombus based on the definition of a rhombus. We know that the diagonals of a rhombus bisect each other and since CD and AB are diagonals, we know that CD bisects AB.

8 0

3 years ago

It takes Josephine 60 minutes to walk 7 1/2 blocks.At This Rate How Many Blocks Can He Walk In 4 Hours.

never [62]

Answer:

30 blocks

Step-by-step explanation:

60 minutes = 1 hour

For one hour, she will walk 7.5 blocks.

The rate is 7.5blocks per hour.

Multiply this by 4 hours, and you will get 30 blocks.

(7.5)4 = 30

5 0

3 years ago