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Igoryamba
3 years ago
6

Work out, giving your answer in its simplest form: 4/7 divided by 2 1 / 3

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0

Step-by-step explanation:

4/7÷21/3

=4/7*3/21

=12/147

lubasha [3.4K]3 years ago
4 0

Answer:

\frac{12}{49}

Step-by-step explanation:

Given

\frac{4}{7} ÷ 2 \frac{1}{3} ← change mixed number to improper fraction

= \frac{4}{7} ÷ \frac{7}{3}

To perform the division

Leave the first fraction. change division to multiplication and turn the second fraction upside down.

= \frac{4}{7} × \frac{3}{7} ← multiply numerators/ denominators together

= \frac{4(3)}{7(7)}

= \frac{12}{49}

You might be interested in
Mikayla earns $ 100 every 8 hours at her new job. At
spin [16.1K]

Answer:

$175

Step-by-step explanation:

100 divided by 8 is 12.5

12.5 x 14 is 175.

6 0
3 years ago
A recipe calls for 1 1/4 cups of flour, 3/4 cup of white sugar, and 1/3 cup of brown sugar. The recipe makes 4 servings. How man
sleet_krkn [62]

Answer:

Cups of flour 5/16

Cups of sugar 3/16

5/8 more cups of flour we need for 6 servings

Step-by-step explanation:

Cups of flour

We need to divide the total of flour (1 1/4) in the total of servings (4)

=(1 1/4)/4

=5/16 cups of flour for servings

Cups of sugar

We need to divide the total of sugar (3/4) in the total of servings (4)

=(3/4)/4

=3/16 cups of sugar for servings

If the recipe is for 6 servings

You need to add more flour and sugar to complete 6 servings

1 1/4 flour=4 servings

x flour=6 servings

(1 1/4 flour*6 serving)/4 servings=x flour

x flour= 15/8 cups of flour

The difference

First 1 1/4 cups

Then 1 7/8

More cups of flour=5/8

8 0
4 years ago
Find a • b. a = 5i + 7j, b = -4i + 3j
anygoal [31]

Answer:

a \cdot b = 1

Step-by-step explanation:

a = 5i + 7j

b = -4i + 3j

a = a_xi + a_yj

b = b_xi + b_yj

a \cdot b = a_xb_x + a_yb_y

a \cdot b = (5)(-4) + (7)(3)

a \cdot b = -20 + 21

a \cdot b = 1

4 0
3 years ago
Read 2 more answers
The number of visitors p to a website in a given week over 1-year period is given by p(t)=119+(t-83)e^0.02t , where t is the wee
KATRIN_1 [288]

The function p(t) for the number of visitors over 1-year is an exponential function

  • The increasing interval is: [33,52]
  • The decreasing interval is: [0, 33]
  • There is no critical point

<h3>The increasing and the decreasing interval</h3>

The function is given as:

p(t) = 119 + (t-83)e^0.02t

Start by plotting the graph of the function p(t).

From the graph (see attachment), we have the parameters to be:

  • Increasing: [33,52]
  • Decreasing: [0, 33]
  • Critical point = None

Hence, the function has no critical point

Read mroe about critical points at:

brainly.com/question/7805334

6 0
2 years ago
Explain and correct the error in the example above
PtichkaEL [24]

Answer:

C = 28.26  cm

Step-by-step explanation:

The figure shows a circle of diameter 9 inches.

The person has taken radius r as 9 inches which is wrong.

The radius must be (9/2) = 4.5 inches, such that,

Circumference = 2πr

= 2×3.14×4.5

= 28.26  cm

Hence, this is the required solution.

8 0
3 years ago
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