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3 years ago

can you help me write an equation to this problem four times the sum of a number and is -3 is 27 less than the number

Mathematics

1 answer:

Scrat [10]3 years ago

7 0

Answer:

4x - 3 = x - 27

Step-by-step explanation:

x represents the "number" in the question. sum of two numbers means addition, but since you are adding a negative number it is the same thing as subtraction

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There are 36 students in Mrs. Keaton's sixth grade class. If 5/12 of her students are girls, how many girls are in the class?

Gnesinka [82]

$Multiply\ fraction\ by\ number\ of\ students\\\\\ number\ of\ girls=\frac{5}{12}*36=\frac{5*36}{12}=15\\\\\ There\ are\ 15\ girls\ in\ class.$

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4 years ago

Beth and Maria are going to the country fair. Admission costs $4 per persob for each day. They plan to go for 3 days. How much w

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3 years ago

Read 2 more answers

Four times the difference of a number and 3 is the same as 3 increased by four times the number plus three times the number. Fin

motikmotik

Answer:

-2 = n

Step-by-step explanation:

-3 + 4n = 4n + 3 + 3n

-3 + 4n = 7n + 3 [Combine like-terms]

-7n -7n

________________

-3 - 3n = 3

+3 +3

________________

-3n = 6

n = -2

I am joyous to assist you anytime.

4 0

4 years ago

Use the product of powers property to simplify the numeric expression.

motikmotik

Answer:

The value of $4^{\dfrac{1}{3}} {\cdot} 4^{\dfrac{1}{5}$ is $4^{\dfrac{8}{15}}$ .

Step-by-step explanation:

We need to simplify the numeric expression using property. The expression is as follows :

$4^{\dfrac{1}{3}} {\cdot} 4^{\dfrac{1}{5}$

The property to be used is : $x^a{\cdot} x^b=x^{a+b}$

This property is valid if the base is same. Here, base is x.

In this given problem, x = 4, a = 1/3 and b = 1/5

So,

$4^{\dfrac{1}{3}} {\cdot} 4^{\dfrac{1}{5}}=4^{\dfrac{1}{3}+\dfrac{1}{5}}\\\\=4^{\dfrac{5+3}{15}}\\\\=4^{\dfrac{8}{15}}$

So, the value of $4^{\dfrac{1}{3}} {\cdot} 4^{\dfrac{1}{5}$ is $4^{\dfrac{8}{15}}$ .

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4 years ago

Which variable will you choose to eliminate? How?

Inga [223]

Answer:

Variable elimination

8x+3y=-7
3y=-8x-7
y=-8/3x-7/3

Now plug it into y
7x-16/3x-14/3=-3
5/3x-14/3=-3
5/3x=5/3
x=1

4 0

3 years ago