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Mariana [72]
3 years ago
15

4/3x - 4 = 5 + x Please help with this problem

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

\text {Hello! To solve for x you must...}

\text {Simplify the Equation (KCC):}

\text {Keep: 4/3x}

\text {Change: - into +}

\text {Change: 4 into -4}

\text {Switch:}

\text {5+x changes into x+5}

\text {Your new problem should be 4/3x-4=x+5}

\text {The Next Step is to Subtract x:}

\text {4/3x-4-x=x+5-x}

\text {1/3-4=5}

\text {Next you would want to add 4}

\text {Q: Why would we add 4 instead of subtracting 4?}

\text {A: Because we need 4 to equal to 0. We will add 4 to cross out 4. So -4+4 will equal 0.}

\text {1/3-4+4=5+4}

\text {1/3x=9}

\text {Your Final Step will be to Multiply 3 on both sides:}

\text {Q: Why do we multiply 3?}

\text {A: Because if we multiply 1 it won't really equal to anything. So we multiply 3 to get x}\text {by itself.}

\text 3*(1/3x)=(3)*(9)

\text {Note: 3 makes the fraction cancel out. So now x is by itself.}

\text {Your Final Answer is...}

\fbox {x=27}

\text {Best of Luck!}

\text {-LimitedX}

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Greeley [361]

Answer:

\huge \boxed{\mathrm{\bold{D.} \ 315}}

Step-by-step explanation:

Odd numbers from the list are 75, 189, and 315.

75, 189, and 315, are composite numbers.

Prime factorization of 75 = 3 × 5 × 5

Prime factorization of 189 = 3 × 3 × 3 × 7

Prime factorization of 315 = 3 × 3 × 5 × 7

315 is an odd number, and a composite number that is divisible by 3 different prime numbers.

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3 years ago
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The width of a triangle is six more than twice the height. The area of the triangle is 88in2. Find the height and base of the tr
malfutka [58]

For this case we have that by definition, the area of a triangle is given by:

A = \frac {b * h} {2}

Where:

b: It is the base of the triangle

h: It is the height of the triangle

According to the statement data we have:

b = 6 + 2h

Substituting we have:

88 = \frac {(6 + 2h) * h} {2}\\176 = 6h + 2h ^ 2\\2h ^ 2 + 6h-176 = 0

We divide between 2 on both sides:

h ^ 2 + 3h-88 = 0

We factor by looking for two numbers that, when multiplied, are obtained -88 and when added together, +3 is obtained.

These numbers are +11 and -8.

(h + 11) (h-8) = 0

We have two roots:

h = -11\\h = 8

We choose the positive value.

Thus, the base of the triangle is:b = 6 + 2 (8) = 22

Answer:

The base of the triangle is 22 units.

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3 years ago
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cestrela7 [59]
The answer is to this is 3/4
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3 years ago
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A triangle has sides with lengths of 7 millimeters, 14 millimeters, and 15 millimeters. Is it a right triangle
Harman [31]

Answer:

Step-by-step explanation:

Property of a right triangle,

(Hypotenuse)² = (leg 1)² + (leg 2)²

If the length of sides of the given triangle are 7mm, 14mm and 15mm.

(15)² = (7)² + (14)²

225 = 49 + 196

225 = 245

False

Therefore, the given triangle is not a right triangle.

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2 years ago
ANSWER QIUCK PLEASE THANKS YOU
LUCKY_DIMON [66]

Answer:

3 3/11

Step-by-step explanation:

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