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mrs_skeptik [129]
2 years ago
10

What is the y-intercept of the line given by the following equation below?

Mathematics
1 answer:
Simora [160]2 years ago
7 0

Answer:

(0,-121/7)

Step-by-step explanation:

11x-7y=121

11(0)-7y=121

-7y=121

y=121÷-7

0'-121/7

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egoroff_w [7]

Answer:

(3+a)

Step-by-step explanation:

3a + a^2

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Factor out an a in the numerator

a(3+a)

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(3+a)

6 0
3 years ago
Read 2 more answers
Monarch butterflies flap their wings about 12 times a second in
Inessa [10]
Remember: 60 seconds in a minute, 60 minutes in one hour.
So if butterflies flap 12 times per second, multiply that number by 60 to get how many times the butterfly flaps their wings in a minute. then, multiply that number by 60 again to get the flaps of number per minute.
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8 0
3 years ago
g A shopping center includes a grocery store and a drug store. One%E2%80%8B afternoon, a total of 200 people visited the shoppin
QveST [7]

Answer:

a) 179 people shopped at the grocery store or the drug store.

b) 21 people shopped at neither the grocery store nor the drug store

Step-by-step explanation:

I am going to treat these events as Venn sets.

I am going to say that:

Set A: Shopped at the grocery store

Set B: Shoped at the drug store.

121 shopped at the grocery store:

This means that A = 121

91 shopped at the drug store:

This means that B = 91

33 shopped at both businesses.

This means that A \cap B = 33

a) How many people shopped at the grocery store or the drug store?

This is

A \cup B = A + B - (A \cap B)

With the values given in the exercise.

A \cup B = A + B - (A \cap B) = 121 + 91 - 33 = 179

179 people shopped at the grocery store or the drug store.

b) How many people shopped at neither the grocery store nor the drug store?

179 of 200 shopped in at least one. So 200 - 179 = 21 shopped at neither.

21 people shopped at neither the grocery store nor the drug store

8 0
2 years ago
Find the x-coordinate of Q' after Q(-2. 5) was reflected over the line y = -x + 4.
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3 0
3 years ago
I'm studying for a test, and I can't seem to remember how to find missing coordinates. Here's one example of the question,
gulaghasi [49]
Usually, we use the slope formula to find the slope of a line when we know two points on the line. But if we already know the slope of a line, we can use the slope formula to find a missing coordinate of a point on the line.
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3 years ago
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