2 years ago

Find the values of x when y = 1 y=x^2 -2x-3

Mathematics

1 answer:

alexandr402 [8]2 years ago

4 0

Yao’s a kma. Balkan a a

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M∠P is 10 more than 3 times a number, m∠N is 8 less than 5 times the same number. What is m∠M?

svetoff [14.1K]

∠n = ∠p

p - 3x = 10

5x - n = 8......> 5x - p = 8

by adding the two equations

2x = 18 , x = 9

p = 37

m∠M = 180 - (2*37) = 106°

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2 years ago

Adam went on a shopping trip to Somerville. He purchased a set of dishes originally priced at

RUDIKE [14]

Answer:187.2

Step-by-step explanation:

Actual price $390

After 60% discount price will be 156

And Sales tax is 8% . Then the price of sales tax is $31.2.

156+31.2= $187.2

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2 years ago

Which equation has a solution of n = 4?

Allushta [10]

Answer:

D. 7n = 28

Step-by-step explanation:

Let's substitute 4 for n in each equation to check if it the resulting equation is correct:

$6+n=24\\ 6+4=24\\ 10\neq 24\rightarrow \text{Incorrect!}$

$5n=54\\5(4)=54\\20\neq54\rightarrow\text{Incorrect!}$

$12-n=16\\12-4=16\\8\neq16\rightarrow\text{Incorrect!}$

$7n=28\\7(4)=28\\28=28\rightarrow\text{Correct!}$

Therefore the answer is D

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1 year ago

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2x² + 166 +30

Darya [45]

Answer:

c....................

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2 years ago

Please actually help me. ill give brainliest if you explain your answer.

meriva

Answer:

subtract 11 from both sides

Step-by-step explanation:

-3x+11=44

-3x=33

x=-11

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2 years ago

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