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4 years ago

Dara has 12 red couners. She has 7 more red counters than yellow counters. How many yellow counters does dara have ?

Mathematics

2 answers:

morpeh [17]4 years ago

7 0

She has 5 yellow counters

Katarina [22]4 years ago

6 0

Answer:

Yellow couners Dara have 5.

Step-by-step explanation:

Given : Dara has 12 red couners. She has 7 more red counters than yellow counters.

To find : How many yellow counters does dara have .

Solution : We have given

Dara has red couners = 12.

Let the yellow couners = x

According to question :

Red = 7 more than yellow.

Red = 7 + yellow .

12 = 7 + x .

On subtracting both sides by 7.

x = 12 -7 .

x = 5.

Therefore, Yellow couners Dara have 5.

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What is the image of (3,9) after a dilation by a scale factor of 3 centered at the origin

Sav [38]

Answer:

(9, 27 )

Step-by-step explanation:

Since the dilatation is centred at the origin, multiply each of the coordinates of the original point by the scale factor of 3

(3, 9 ) → (3(3), 3(9)) → (9, 27 )

7 0

4 years ago

Read 2 more answers

A group of 12 students goes on a school field trip, 6 are in third grade. which fraction is equivalent to 6 12

Elis [28]

The fraction which is equivalent to 6/12 is 1/2

What does a fraction mean?

In the first place, fraction is a numerical quantity or relationship where one number is expressed in terms of another.

In order to determine the equivalence of 6/12 in fraction , we need reduce 6/12 to the lowest term, since 6 is common to 6 and 12 and that 6 divided by gives 1 and 12/6 gives 2, which means that we are left 1/2

The correct fraction which is equivalent to 6/12 is 1/2

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Full question:

A group of 12 students goes on a school field trip, 6 are in third grade. which fraction is equivalent to 6/12?

(A) 1/3

(B)1/4

(D) 1/2

5 0

2 years ago

If john makes a contribution to a charity fund at school, the average contribution size will increase by 50% reaching $75 per pe

Sonja [21]

Answer:

$Z= 75*6 -250=200$

So then the correct answer is B. $200.

Step-by-step explanation:

Notation

Let X be the average contribution size before John makes his contribution.

Let Y be the total contribution size before John makes his contribution.

Let Z be John's contribution.

We know that for this case $ 75 represent the original average amount before the contribution with 50% increase so we can set up the following equation in order to find the original average amount

$1.5 X = 75$