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Anestetic [448]

3 years ago

9

When Mrs. Campece bakes chocolate chip cookies, she need 2 cups of flour

1 answer:

ikadub [295]3 years ago

5 0

Answer:

4.5

Step-by-step explanation:

make a proportion:

$\frac{2}{1.5} = \frac{6}{x}$

solve for x using cross products:

x=4.5

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olya-2409 [2.1K]

Here's the solutions :

1. solve for a :

$4a = 20$

$a = \dfrac{20}{4}$

$a = 5$

2. solve for y :

$3y + 9 = 24$

$3y = 24 - 9$

$3y = 15$

$y = \dfrac{15}{3}$

$y = 5$

3. solve for y :

$\dfrac{y}{3} - 5 = 4$

$\dfrac{y}{3} = 5 + 4$

$\dfrac{y}{3} = 9$

$y = 9 \times 3$

$y = 27$

4. solve for k :

$3 = 9 - 4k$

$3 - 9 = -4 k$

$- 6 = - 4 k$

$k = \dfrac{ - 6}{ - 4}$

$k = \dfrac{3}{2} \: \: \: or \: \: 1.5$

5. there's something wrong with this question.

6. solve for x :

$3x + 8 = 2$

$3x = 2 - 8$

$3x = - 6$

$x = \dfrac{ - 6}{3}$

$x = - 2$

i hope it helped...

6 0

3 years ago

Read 2 more answers

Jupiter explorers has $7,200 in sales. the profit margin is 4 percent. there are 6,000 shares of stock outstanding. the market p

Genrish500 [490]

Earnings = Sales * Profit margin = 7200 * 4% = 288

Price to earnings = stock price / earnings per share = 1.40/(288/6000) = <span>$29.17</span>

5 0

3 years ago

Which value of x makes the equation true?<br><br> x – 5.8 = –4.2<br><br> x = ????

larisa86 [58]

X equals 1.6 fallenangle666

3 0

3 years ago

Read 2 more answers

V-15=-27 what's they equation

andrezito [222]

V would be equal to -12

7 0

3 years ago

Read 2 more answers

1.Mr. Bowen’s test is normally distributed with a mean of 75 and a standard deviation of 3 points.

lianna [129]

Answer:

2.28%

Step-by-step explanation:

Mr. bowens test is normally distributed with a mean (μ) of 75 and a standard deviation (σ) of 3 points.

The z score is used in probability to show how many standard deviation is a raw score below or above the mean. The formula for the z score (z) is given by:

$z=\frac{x-\mu}{\sigma}$

For a raw score (x) of 81 points, the z score can be calculated by:

$z=\frac{x-\mu}{\sigma}=\frac{81-75}{3}=2$

Therefore from the normal probability distribution table, the probability that a randomly selected score is greater than 81 can be given as:

P(x > 81) = P(z > 2) = 1 - P(z < 2) = 1 - 0.9772 = 0.0228 = 2.28%

7 0

3 years ago