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3 years ago

Uhm helppp??????? :p

Mathematics

2 answers:

larisa [96]3 years ago

7 0

Round the fraction or moved number and then subtract

Anit [1.1K]3 years ago

3 0

Answer:

Estimating the difference of fractions and mixed numbers is similar to estimating sums. Round each fraction or mixed number and then subtract to find the estimate.

Step-by-step explanation:

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Does the equation open up or down? Y = -3x2 +7x - 2

Helga [31]

Answer:

Opens downward, like a frowning face

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Silvio earns 10% for each car sale he makes while working at a used car dealership. If he sells a used car for $2,000, what is h

Fynjy0 [20]

Commission = 10%

If the car was sold for $2000

commission = 10% of $2000

commission = 0.1 x $2000

commission = $200

4 0

3 years ago

In the accompanying diagram of parallelogram ABCD,diagonals AC and DB intersect at E, AE = 3x - 4, andEC = x + 12.What is the va

skelet666 [1.2K]

x = 8

Explanation:

AE = 3x - 4

EC = x + 12

SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

2x = 16

divide both sides by 2:

2x/2 = 16/2

x = 8

4 0

1 year ago

Find 1/4 of 32 and then add 10 to find the total).

Shkiper50 [21]

Answer: 18

Step-by-step explanation:

1/4 of 32 = 8

8+10 = 18

8 0

2 years ago

Serenity has 2\frac{1}{2} 2 1 cups of dough to make dumplings. If she uses \frac{3}{4} 4 3 cup of dough for each dumpling, h

BARSIC [14]

3 dumplings can be made by Serenity

Solution:

Given that,

Serenity has $2\frac{1}{2}$ cups of dough to make dumplings

She uses $\frac{3}{4}$ cup of dough for each dumpling

To find: Number of whole dumplings made

From given information,

$\text{Total cups of dough } = 2\frac{1}{2} = \frac{2 \times 2+1}{2} =\frac{5}{2}$

$\text{Cups of dough for 1 dumpling } = \frac{3}{4}$

To find the number of whole dumplings made, we can divide the total cups of dough by cups of dough for 1 dumpling

$\text{Number of whole dumplings made } = \frac{\text{total cups of dough}}{\text{cups of dough for 1 dumpling}}\\\\\text{Number of whole dumplings made } = \frac{\frac{5}{2}}{\frac{3}{4}} = \frac{5}{2} \times \frac{4}{3}\\\\\text{Number of whole dumplings made } = \frac{10}{3} = 3.33 \approx 3$

Thus 3 dumplings can be made

6 0

3 years ago