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Maurinko [17]
3 years ago
6

A baker is using a cookie recipe that calls for 2 1/4 cups of flower to yield 36 cookies. How many flour will the baker need to

make 90 cookies using the same recipe?
Mathematics
1 answer:
Kryger [21]3 years ago
6 0
90/36 is 2.5, so the Baker needs to make 2.5 batches of cookies

2.5 batches of cookies x 2.25 cups of flour

is 5.625 cups of flour

which is 5 5/8 cups of flour
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Sliva [168]
Typically 1211 snack mix would be left but the answer is 23. because it is 23

6 0
3 years ago
Jonas jogged up the hill at an average rate of of a mile per minute and then walked down the hill at an average rate of of a mil
Orlov [11]
Answer: option d) (1/16) (42 - x)

Explanation:

1) You forgot to include the table.

This is the table:

                                    Rate              time                 distance
                                 (mi / min)         (min)                   (mi)

up the hill                    1/12                  x                     (1/12)x

down the hill                1/16                 42-x                     ?

2) You also forgot to include the set of answerchoices. This is it:

a) x
b) -x
c) 42 - x
d) (1/16) (42-x)

3) Solution:

The missing value is the distance of the trip down the hill.

The distance is the rate times the time, i.e.:

distance = rate * time

the rate is given as 1/16, and the time is given as 42 - x, so the distance is:

distance = (1/16) (42 - x), which is the answer.
4 0
4 years ago
Read 2 more answers
Nadia deposited $3000 into an account that earns annual simple interest. 13 points
Kipish [7]

Interest rate of the account is 5.5%, if Nadia deposited $3000 into an account that earns annual simple interest after 6 years, she had earned $990 in interest.

Step-by-step explanation:

The given is,

             Nadia deposited $3000

             After 6 years, she had earned $990 in interest

             Simple interest

Step:1

            Formula to calculate the future amount with simple interest is,

                             F = P(1+(r)(t))...........................(1)

          Where, F - Future amount

                       P - Initial investment

                        r - Rate of interest ( simple interest )

                        t - No. of years

Step:2

           From the given,

                       I = $990

                      P = $3000

                      F = Initial investment + Interest amount

                      F = P + I = 3000 + 990 = $3990

                       t = 6 years

          Equation (1) becomes,

                 3990 = 3000 ( 1 + (r)(6) )

                    \frac{3990}{3000} = (1+(r)(6))

                    1.33 = 1 + (r)(6)

                1.33 - 1 = (r)(6)

                    0.33 = (r)(6)

                         r = \frac{0.33}{6}

                          r = 0.055 × 100

                         r = 5.5%

Result:

        Interest rate of the account is 5.5%, if Nadia deposited $3000 into an account that earns annual simple interest after 6 years, she had earned $990 in interest.

4 0
4 years ago
Create an equation in slope-intercept form from A line that includes the point (6,–7) and has a slope of 2.
Svet_ta [14]

Answer:

<em>Use </em><em>the </em><em>equation</em><em> </em><em>y=</em><em>mx+</em><em>c</em>

<em>the </em><em>slope(</em><em>m)</em><em> </em><em>is </em><em>2</em><em>,</em><em>y </em><em>is </em><em>-7and </em><em>x </em><em>is </em><em>6</em>

<em>therefore</em><em> </em><em>you </em><em>firstly</em><em> </em><em>have </em><em>to </em><em>find </em><em>the </em><em>y </em><em>intercept</em><em> (</em><em>c)</em>

<em>y=</em><em>mx+</em><em>c</em>

<em>-</em><em>7</em><em>=</em><em>2</em><em>(</em><em>6</em><em>)</em><em>+</em><em>c</em>

<em>-</em><em>7</em><em>=</em><em>1</em><em>2</em><em>+</em><em>c</em>

<em>-</em><em>7</em><em>-</em><em>1</em><em>2</em><em>=</em><em>c</em>

<em>-</em><em>1</em><em>9</em><em>=</em><em>c</em>

<em>then </em><em>replace </em><em>the </em><em>gradient</em><em> </em><em>and </em><em>y </em><em>intercept</em><em> </em><em>in </em><em>the </em><em>equation</em>

<em>y=</em><em>mx+</em><em>c</em>

<em>y=</em><em>2</em><em>x</em><em>-</em><em>1</em><em>9</em>

<em>or </em><em>you </em><em>can </em><em>use </em><em>the </em><em>formula</em><em> </em><em>y-y1=</em><em> </em><em>m(</em><em> </em><em>x-x1)</em>

<em>I </em><em>hope </em><em>this </em><em>helps</em>

4 0
3 years ago
Hospital records show that a certain surgical procedure takes on an average 111.6 minutes with a standard deviation of 2.8 minut
Arisa [49]

Answer:

At least 37.74% of the procedures takes between 97.6 and 125.6 minutes

Step-by-step explanation:

The percentage is the area of the standard normal distribution curve between the values 97.6 and 125.6

The standard normal variate of the given data is found as

Z=\frac{X-\overline{X}}{\sigma }

Thus for the given values Z is calculated as under

Z_1=\frac{97.6-111.6}{2.8}=-5

Similarly for the other value we have

Z_2=\frac{125.6-111.6}{2.8}=5

Thus the area between the calculated values can be found from standard normal distribution table to be 37.74%

8 0
3 years ago
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