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Sergio [31]
2 years ago
8

Jillian was asked to translate the expression 9 + n into words. She wrote “a number increased by nine.” Which best describes the

accuracy of Jillian’s answer?
It is incorrect. The variable would come first in the expression “a number” (n) “increased by” (+) “nine” (9).
It is incorrect. The phrase “increased by” refers to the inequality symbol “greater than” (>), not addition.
It is correct. A number increased by nine (n + 9) is the same as nine increased by a number (9 + n).
It is incorrect. A number increased by nine refers to a multiplication expression (n times 9).
Mathematics
2 answers:
Alexus [3.1K]2 years ago
5 0

A number increased by nine (n + 9) is the same as nine increased by a number (9 + n), the correct option is C.

<h3>What is the pharse in mathematics?</h3>

A mathematical phrase is a set of words or a combination of words and numbers that can be written as a mathematical expression.

Given

Jillian was asked to translate the expression 9 + n into words.

She wrote "a number increased by nine.

The expresion can be written into the two formate which is;

(n+9) and (9+n)

Hence, a number increased by nine (n + 9) is the same as nine increased by a number (9 + n), the correct option is C.

To know more baout pharse click the link given below.

brainly.com/question/22314482

miv72 [106K]2 years ago
4 0

Answer:

Step-by-step explanation:

It is correct. I don't know that getting rid of the  other choices is helpful. The vocabulary (increases) in common usage means "add." I think I would accept it as it is and give her full credit. You can overthink an answer.

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Plz help im an idiot
MrMuchimi

Answer:

3.)138

4.) 149

Step-by-step explanation:

you add the two inside measures together.

5 0
3 years ago
Read 2 more answers
If 2x• 3x +(2•3 )x +6x= 648, find x.
klasskru [66]

Answer:

x = -1 ± √109

Step-by-step explanation:

2x • 3x + (2 • 3)x + 6x = 648

According to PEMDAS (parentheses/exponents | multiplication/division | addition/subtraction), we should solve the parentheses first.

(2 • 3) = 6

Now we have:

2x • 3x + (6)x + 6x = 648

Now let's multiply.

2x • 3x = 6x²

6 • x = 6x

Now we have.

6x² + 6x + 6x = 648

Combine like terms.

6x² + 12x = 648

Let's factor out a 6.

6(x² + 2x) = 648

Divide both sides by 6.

x² + 2x = 108

Let's use completing the square.

Our equation is in a² + bx = c form.

Divide b by 2.

2/2 = 1

Then square it.

1² = 1

Add 1 to both sides.

x² + 2x + 1 = 108 + 1

Simplify.

x² + 2x + 1 = 109

Now we want to factor the left side. A shortcut is just to use b/2.

(x + 1)² = 109

Take the square root of both sides.

x + 1 = ±√109

The square root is as simplified as possible.

Subtract 1 from both sides.

x = -1 ± √109

Hope this helps!

4 0
3 years ago
Read 2 more answers
Question 7 (1 point)
Arisa [49]

Answer:

h = 452.5 ft

Step-by-step explanation:

Angle of elevation from P to top of the pole = 65°

Horizontal distance between the pole and point P = 21 ft

By Applying tan rule in the given triangle ABP,

tan(∠APB) = \frac{AB}{PB}

tan(65°) = \frac{h}{21}

h = 21[tan(65°)]

h = 452.491

h ≈ 452.5 ft

Therefore, height of the pole is 452.5 ft.

4 0
3 years ago
Chloe paid $21.18 for a large pizza including tax and delivery fees. She gave the delivery person
zhannawk [14.2K]

Answer:

No, she tipped about 18%.

Step-by-step explanation:

How much she tipped:

$25 - $21.18 = $3.82

To find the percentage, you can put this tip over the what she paid for the pizza.

\frac{3.82}{21.18} =0.18=18%%

She only tipped about 18%

7 0
3 years ago
Compare these two numbers. Is 2.38×105__ 3.07×104?<br> A. &gt;<br> B. &lt;<br> C. =
Bond [772]

Answer:

B is the right answer

Step-by-step explanation:

the one on the left is equal to 249.9 and the right is 319.28

3 0
3 years ago
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