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Marat540 [252]
3 years ago
7

Write the phrase as an expression. THEN SIMPLIFY THE EXPRESSION. 7 plus sum of a number x and 5. please help.

Mathematics
1 answer:
Talja [164]3 years ago
4 0

Answer:

Expression = 7 + x + 5

Simplified = 12 + x

Step-by-step explanation:

Required:

Write as an expression and simplify

The sum of a number, x and 5 can be represented as: x + 5

So, the expression becomes: 7 + x + 5

Expression = 7 + x + 5

Solving further:

Collect Like terms

Expression = 7 + 5 + x

Add like terms

Expression = 12 + x

Hence, the simplified expression is: 12 + x

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To solve this, you’d multiply 50 by 1.15 to get 57.5 grams of crisps.
4 0
3 years ago
What is the square root of 5 divided by the square root of 15 and simplify and in fraction form​
ozzi

Answer:

\sqrt{\frac{1}{3} }

or

\frac{\sqrt{3} }{3}

Step-by-step explanation:

The expression \frac{\sqrt{5} }{\sqrt{15} } can be simplified by first writing the fraction under one single radical instead of two.

\frac{\sqrt{5} }{\sqrt{15} } = \sqrt{\frac{5}{15} }

5/15 simplifies because both share the same factor 5.

It becomes \sqrt{\frac{5}{15} } = \sqrt{\frac{1}{3} }

This can simplify further by breaking apart the radical.

\sqrt{\frac{1}{3} }  = \frac{\sqrt{1} }{\sqrt{3} }  = \frac{1}{\sqrt{3} }

A radical cannot be left in the denominator, so rationalize it by multiplying by √3 to numerator and denominator.

\frac{1}{\sqrt{3} } *\frac{\sqrt{3} }{\sqrt{3} }  =\frac{\sqrt{3} }{3}

4 0
3 years ago
A college is currently accepting students that are both in-state and out-of-state. They plan to accept three times as many in-st
densk [106]

Answer:

\[y < = 300\]

Step-by-step explanation:

Let x = number of out-of-state students at the college

Let y = number of in-state students at the college

As per the given problem, the constraints are as follows:

\[x < = 100\]    --------- (1)

\[y = 3 * x\]      --------- (2)

From the given equations (2), \[ x = y/3 \]

Substituting in (1):

\[y/3 < = 100\]

Or, \[y < = 300\] which is the constraint representing the incoming students.

7 0
3 years ago
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WILL GIVE MOST BRAINLIEST!!
Colt1911 [192]

Answer:259

Step-by-step explanation:

Its summation of 6^i-1 for values of I = 1,2,3 and 4

= 6^0 + 6^1 +6^2 +6^3

=259

3 0
3 years ago
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The segments shown below could form a triangle,
Brrunno [24]

Answer:

False

Step-by-step explanation:

The lengths do not adhere to the triangle inequality theorem. Which states that the sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side.

4 0
3 years ago
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