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3 years ago

Write the fraction or mixed number as a percent. 2 3/10

Mathematics

1 answer:

professor190 [17]3 years ago

6 0

Answer:

230%

Step-by-step explanation:

2x3/10=23/10=2.3x100%=230%

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A group of friends ordered 3 burgers and 3 medium fries for a total of $17.55. The price of a burger is .75 more than two times

Tatiana [17]

Answer:

Cost price of the burger = $4.15

Step-by-step explanation:

Given data:

3 burgers were ordered

3 medium fries were ordered

Total order cost 17.55

Let the price of the burger be X

Let the price of the medium fries be Y

Equation for the total sale will be 3X + 3Y = 17.55 (equation 1)

from this statement 'The price of a burger is .75 more than two times the price of medium fries.'

X - 2Y = 0.75 (equation 2)

There are now two equations and two unknowns, a simultaneous equation is solved to find the cost of the burger.

Many methods can be used to solve these equations but in this case substitution will be used

From equation 2

X = 0.75 + 2Y (equation 3)

Substituting equation 3 into equation 1

3(0.75 + 2Y) + 3Y = 17.55

2.25 + 6Y + 3Y = 17.55

6Y + 3Y = 17.55-2.25

9Y = 15.3

Y = 1.7

Substituting Y into equation 3

X = 0.75 + 2Y

X = 0.75 + 2(1.7)

X = 0.75 + 3.4

X = 4.15

Therefore the cost price of the burger is $4.15

6 0

2 years ago

What is the value of the sin3x/6x; as x approaches to zero

nikklg [1K]

Step-by-step explanation:

When x = 0,

sin3x / 6x = 0 / 0, which is an indeterminate form.

Hence we use L'Hospital's rule:

d/dx (sin3x) = 3cos3x

d/dx (6x) = 6

Now we have 3cos3x / 6 or 0.5cos3x.

When x = 0, 0.5cos3x = 0.5(1) = 0.5.

Hence the limit is 0.5.

6 0

2 years ago

7-2(2+3x)=27what is he answer

Taya2010 [7]

Simplifying 7 + -2(2 + 3x) = 27 7 + (2 * -2 + 3x * -2) = 27 7 + (-4 + -6x) = 27 Combine like terms: 7 + -4 = 3 3 + -6x = 27 Solving 3 + -6x = 27 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -6x = 27 + -3 Combine like terms: 3 + -3 = 0 0 + -6x = 27 + -3 -6x = 27 + -3 Combine like terms: 27 + -3 = 24 -6x = 24 Divide each side by '-6'. x = -4 Simplifying x = -4

8 0

3 years ago

Read 2 more answers

2/5 ÷ 22/35 simplify

Sliva [168]

Answer:

7/11 (Simplified Already)

Step-by-step explanation: 25÷2235=?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

25×3522=?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

2×355×22=70110

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 70 and 110 using

GCF(70,110) = 10

70÷10110÷10=711

Therefore:

25÷2235=711

Solution by Formulas

Apply the fractions formula for division, to

25÷2235

and solve

2×355×22

=70110

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF(70,110) = 10

70÷10110÷10=711

Therefore:

2/5÷22/35=7/11

6 0

3 years ago

Read 2 more answers

If you were to take a cross section of a right circular cone parallel to its base, what shape would you get?

Mademuasel [1]

Answer:

Step-by-step explanation:

6 0

2 years ago