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3 years ago

Find the unknown word for the sum of the blank 8 + blank is 10

Mathematics

1 answer:

alina1380 [7]3 years ago

6 0

8 + _ = 10
10 - 8 = 2
8 + 2 = 10

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7) c/a=d-r, for a thanks

iragen [17]

$\dfrac{c}{a}=d-r \\\dfrac{c}{a}/c=\dfrac{d-r}{c} \\a=\boxed{\dfrac{d-r}{c}}$

Hope this helps.

8 0

4 years ago

Two families went to Rollercoaster World.

Alona [7]

Answer:

Children ticket cost $30 and adult ticket costs $40.

Step-by-step explanation:

Given that:

x = price of a child ticket

y = price of an adult ticket

According to given statement;

3x+2y=170 Eqn 1

4x+6y=360 Eqn 2

Multiplying Eqn 1 by 3

3(3x+2y=170)

9x+6y=510 Eqn 3

Subtracting Eqn 2 from Eqn 3

(9x+6y)-(4x+6y)=510-360

9x+6y-4x-6y=150

5x=150

Dividing both sides by 5

$\frac{5x}{5}=\frac{150}{5}\\x=30$

Putting x=30 in Eqn 1

3(30)+2y=170

90+2y=170

2y = 170-90

2y = 80

Dividing both sides by 2

$\frac{2y}{2}=\frac{80}{2}\\y=40$

Hence,

Children ticket cost $30 and adult ticket costs $40.

6 0

3 years ago

A farmer has a soybean field with an area of 55 square meters and a cornfield with an area of 58 square meters. he also has a wh

dexar [7]

A farmer has order the fields from least area to greatest area is,

Soybean field < Cornfield < Wheat field.

Based on the given conditions,

A farmer has a soybean field with an area = 55 square meters

A farmer has a corn field with an area = 58 square meters

He also has a wheat field that is 52 times the size of the soybean field.

So,

We can write,

52 times the size of the soybean field.

That means,

= 55 * 52

Calculate the product or quotient,

= 2860

Wheat field = 2860

Hence,

Soybean field = 55

Cornfield = 58

Wheat field = 2860

Soybean field < Cornfield < Wheat field

Therefore,

A farmer has order the fields from least area to greatest area is,

Soybean field < Cornfield < Wheat field.

To learn more about information visit Area problems :

brainly.com/question/16735292

#SPJ4

5 0

1 year ago

X If $7500 was compounded annually for 8 years at a rate of .23% how much will it be

Ann [662]

Answer:

$7639.12

Step-by-step explanation:

We use the compound formula for accrued value (A) for a principal P deposited at an annual rate "r" over t years

$A = P (1+r)^t$

In our case, with the given information, the formula becomes:

$A = P (1+r)^t\\A=7500 \,(1.0023)^8\\A = 7639.11602$

which rounded to the nearest cent gives: $7639.12

4 0

3 years ago

Do the ratios 50 27 and 6 3 form a proportion?

sweet-ann [11.9K]

Answer:

No because if you cross multiply 50x3= 150 while 27x6 is like 162 so no

7 0

3 years ago