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nikitadnepr [17]
3 years ago
14

She determined that the solution is (–3, –3). Is she correct? If not, explain why. Yes, she is correct. No. She switched the x a

nd y values of the intersection point when writing the solution. No. She used the wrong y-intercepts when graphing the equations. No. She used the wrong slopes when graphing the equations.
Mathematics
2 answers:
LenaWriter [7]3 years ago
9 0

Answer: No she used the wrong slopes when graphing the equations

Step-by-step explanation:

Sergio [31]3 years ago
8 0

Answer:

D

Step-by-step explanation: No. She used the wrong slopes when graphing the equations.

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What is the slope of the line represented by y = 5x - 7?​
Ghella [55]
The slope of the line is 5/1 because the number by the x is always your slope and it is always to be announced as a fraction so you add 1 as the denominator if there isn’t already a denominator.
6 0
3 years ago
Read 2 more answers
Suppose on a certain planet that a rare substance known as Raritanium can be found in some of the rocks. A raritanium-detector i
aleksandrvk [35]

Answer:

0.967 = 96.7% probability the rock sample actually contains raritanium

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Positive reading

Event B: Contains raritanium

Probability of a positive reading:

98% of 13%(positive when there is raritanium).

0.5% of 100-13 = 87%(false positive, positive when there is no raritanium). So

P(A) = 0.98*0.13 + 0.005*0.87 = 0.13175

Positive when there is raritanium:

98% of 13%

P(A) = 0.98*0.13 = 0.1274

What is the probability the rock sample actually contains raritanium?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.1274}{0.13175} = 0.967

0.967 = 96.7% probability the rock sample actually contains raritanium

7 0
2 years ago
GEOMETRY PROOFS:
Marina CMI [18]

Answer:

Statement 2: ∠BAC = ∠CZY

Reason 3: Vertically opposite angles

Statement 4: YC = CB

Reason 5: AAS (Angle, Angle, Side)

Reason 6: Corresponding sides, congruent triangles

8 0
3 years ago
Garrett can order stickers from two companies. Company A charges a $30 design fee plus $0.80 per sticker. Company B charges a $1
siniylev [52]

Answer:

Garrett can order stickers from two companies. Company A charges a $30 design fee plus $0.80 per sticker. Company B charges a $14 design fee plus $1.20 per sticker. How many stickers would Garrett have to order for the cost at both companies to be the same?

Step-by-step explanation:

i got it right

8 0
2 years ago
If the average mass of a peacock is 4.95 kilograms, what is the average mass of a peacock In grams?
anyanavicka [17]

Answer:

4950g

Step-by-step explanation:

firstly remember the formula for converting from kg to g

Kilograms ( kg) to grams(g)

1 kg = 1000g

therefore to convert 4.95 kg to g

is 4.95 * 1000

=<u> 4950g</u>

6 0
3 years ago
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