2 years ago

Writing expressions of lines

Mathematics

1 answer:

Sergeeva-Olga [200]2 years ago

5 0

Answer:

fyysfyehFHayaursusrrw

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a cookie jar contains four oatmeal raisin, one sugar, nine chocolate chip, and six peanut butter cookies. if one is chosen at ra

VikaD [51]

Step-by-step explanation:

There are a total of 4 + 1 + 9 + 6 = 20 cookies. So the probabilities of each type for a random cookie are:

P(oatmeal raisin) = 4/20 = 1/5

P(sugar) = 1/20

P(chocolate chip) = 9/20

P(peanut butter) = 6/20 = 3/10

8 0

3 years ago

Find the midpoint of the segment with the following endpoints. (-4, 5) and (-1, 1)

Solnce55 [7]

Answer:

(-5/2 , 2)

Step-by-step explanation:

add the two x coordinates of the endpoints and divide by 2. Do the same for the y coordinates.

6 0

2 years ago

Can someone please help me with the question in the attachment? I will mark you as brainliest!

san4es73 [151]

Answer:

a=327 m=416

Step-by-step explanation:

subtract the numbers and add to make sure ur answer is correct

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2 years ago

Read 2 more answers

What are the coordinates of the x-intercepts of the parabola y = x² - 8x + 15?

tamaranim1 [39]

Answer:

(3, 0) and (5, 0)

Step-by-step explanation:

we have

$y=x^{2}-8x+15$

we know that

The x-intercepts are the values of x when the value of y is equal to zero

For y=0

$x^{2}-8x+15=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-8x+15=0$

$a=1\\b=-8\\c=15$

substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(1)(15)}} {2(1)}$

$x=\frac{8\pm\sqrt{4}} {2}$

$x=\frac{8\pm2} {2}$

$x=\frac{8+2} {2}=5$

$x=\frac{8-2} {2}=3$

x=3, x=5

therefore

The x-intercepts are (3,0) and (5,0)

4 0

2 years ago

9. A cup of tea costs x pence. Coffee costs 20 pence more. Hermes buys 2 cups of tea and one cup of coffee. In total Hermes pays

qaws [65]

Answer:

£1.20

Step-by-step explanation:

Given:

Tea = x
Coffee = x + 0.2

Comparing the total cost, work out the value of x:

2x + x + 0.2 = 3.80
3x = 3.60
x = 1.20

5 0

2 years ago

Writing expressions of lines ​

Writing expressions of lines