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Zina [86]
3 years ago
13

Evaluate pq for p=-5 and q=9

Mathematics
1 answer:
Charra [1.4K]3 years ago
4 0
Pq=-59 because p=-5 and q=9 so you would just plug in. The numbers. Hope this helps!
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Vineet solved a system of equations by substitution. In his work, he substituted an expression for one of the variables and solv
Eddi Din [679]

He can conclude that the system of equations has no solution since one equation in it always results with false equivalency.

Hope this helps.

r3t40

3 0
3 years ago
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Which of the following is equivalent to y + 6 = -4(x+3)
Darya [45]
What are the options?
4 0
2 years ago
A train has 6 identical passenger cars that are each 18 m long.
Gnesinka [82]

Answer:

59m

Step-by-step explanation:

No of passenger cars in the train = 6

length of each passenger cars = 18m

total length of 6 passenger cars = 18 * 6 = 108 m

length of caboose = 10m

total length of train when caboose is included = 108 m + 10 m = 118m

_____________________________________________

Let the length of truck be X m

given that length of train is twice of length of truck = 2*X

but length of train as found above is 118 m

this implies

2X = 118

X = 118/2 = 59m

Therefore length of truck is 59m

5 0
3 years ago
divide the numbers 1 to 8 by 9. observe the decimal and discuss your observation of non terminating recurring decimal
Alexeev081 [22]

Answer:

When dividing the numbers 1-8 by 9, we get whatever number was divided as a decimal in repeating form. For example, 2/9 = 0.22222...

<em>Brainliest, please! I'm almost an Ace!</em>

Step-by-step explanation:

1/9 = 0.11111...

2/9 = 0.22222...

3/9 = 0.33333...

4/9 = 0.44444...

5/9 = 0.55555...

6/9 = 0.66666...

7/9 = 0.77777...

8/9 = 0.88888...

5 0
2 years ago
A student scored 80 points in an exams,the teacher took off 5% off for lateness,what will be the student's final score
Zina [86]
Awesome question!

1.) You have 80 points and you want to take away 5% of them.

- 5% is 1/2 of 10%. And remember your number places. So 80 has 0 in the ones and an 8 in the tens place. Move the decimal over to the left 1 time and you get 8.00 Now you have 10% of 80. And 5% is one half of 10%, so 8/2 is 4.

4 is 5% of 80. And you take away 4 from 80 and end up with 76.

Hope I explained this for ya!
6 0
3 years ago
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