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2 years ago

Is this right ? if not please help me !

Mathematics

1 answer:

Lerok [7]2 years ago

6 0

No it’s wrong count down 3 and over 2 ur points should land on a corner

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Which of the lines graphed has a slope of -1/2 and a y-intercept of 3?

VARVARA [1.3K]

Answer:

The answer is image 3.

Step-by-step explanation:

The equation for the line will be y = (-1/2)x + 3 so the gradient is negative and you will have to find the x-intercept and y-intercept.

x-intercept :

$let \: y = 0$

$0 = - \frac{1}{2} x + 3$

$\frac{1}{2} x = 3$

$x = 3 \div \frac{1}{2}$

$x = 6$

y-intercept :

$let \: x = 0$

$y = - \frac{1}{2} (0) + 3$

$y = 3$

8 0

3 years ago

Read 2 more answers

The slope of the line x+10=y

dsp73

Answer:

The slope of the line is 1.

Step-by-step explanation:

The equation is written in slope intercept form. ( y=mx+b). The variable m represents the slope of the line. Due to the fact there is no number in front of the x variable, that tells us that the slope is just 1.

6 0

2 years ago

A student had 500 milliliters of water in a water bottle. She drank 25% of the water before soccer practice. After practice, she

Fittoniya [83]

Answer:

250mL

Step-by-step explanation:

500 * 0.75 = 375

375 * 2/3 = 250

5 0

2 years ago

The J.O. Supplies Company buys calculators from a non-US supplier. The probability of a defective calculator is 10 percent. If 3

RSB [31]

Answer:

There is a 24.3% probability that one of the calculators will be defective.

Step-by-step explanation:

For each calculator, there are only two possible outcomes. Either it is defective, or it is not. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$