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umka21 [38]
2 years ago
12

PLZ NEED THIS TODAY BY 5PM WILL GIVE BRAINLEST IF CORRECT 100 POINTS

Mathematics
2 answers:
asambeis [7]2 years ago
8 0

Answer:

<u>Question # 1:</u>

<u>a)</u>

A number is no more than 21 means that it is less than 21 or equal to it. Using n as the variable.

So,

It will be:

n ≤ 21

Where "≤" is used for "less than or equal to".

<u>b)</u>

A number is at least 5 means that it can be 5 or a number greater than 5.

So, We'll use "≥" for "greater than or equal to"

n ≥ 5

<u>c)</u>

For more than, we will use ">"

So,

n > 3/5

<u>Question # 2:</u>

<u>d)</u>

Here, it is shown that n is either 14 or any number less than 14.

So, we'll use "≤" for "less than or equal to"

n ≤ 14

<u>e)</u>

Here, it is shown on the number line than n is any number which is either 14 or any number greater than it.

So,  we'll use "≥" for greater than or equal to.

n ≥ 14

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>

Tcecarenko [31]2 years ago
6 0

Answer:

Step-by-step explanation:

1.

(a) n ≤ 21

(b) n ≥ 5

(c) n > 3/5

2.

(d) n < 14

(e) n ≥ 14

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Please help me with this ​
e-lub [12.9K]

Answer:

7. 5 \frac{5}{8} pizza

8. B

9. 11 \frac{1}{5} inches

10. -12

11. \frac{3}{20}

12. 4

Step-by-step explanation:

7. 3 \frac{1}{2} \\ + 2 \frac{1}{8}

make them mixed fractions: \frac{7}{2} + \frac{17}{8}

get a common denominator by multiplying \frac{7}{2} by 4: \frac{28}{8} + \frac{17}{8}

add the numerators: \frac{45}{8}

simplify the fraction by dividing 45 by 8: 5 \frac{5}{8}

8. 3 x 6 = 18

5 x 6 = 30

7 x 6 = 42

9 x 6 = 54

therefore, y = 6x

9. 5:7 is similar to 8:L

divide 8 by 5: 1 \frac{3}{5}

multiply 7 by 1 \frac{3}{5}: 11 \frac{1}{5}

L = 11 \frac{1}{5} inches

10. 5 - 2x = 29

subtract 5 from each side: -2x = 24

divide each side by -2: x = -12

11. fruit = 15%

15% = 15/100

simplify by dividing by 5: \frac{3}{20}

12. the y-intercept is where the line crosses the y-axis (the vertical one). the line crosses the y-axis at 4.

4 0
3 years ago
Cobalt-60 is used in the treatment of cancer. A sample contains 8 grams of Co-60 where k = 0.1308
masha68 [24]
You need to post more information.
8 0
3 years ago
Read 2 more answers
Which facts could be applied to simplify this expression? Check all that apply.
kykrilka [37]

The answer is B, C, and D. Like terms are terms with all the same variable, so 5x and -x are like terms.

C is correct. If we add -x to 5x, we get 4x. The other numbers remain unchanged because they have no like terms.

D is correct. Applying the rule of like terms, which is that like terms are numbers with the same variable, only add together numbers with the same variable.

Hope this helps!

3 0
3 years ago
Read 2 more answers
Plz Help meee!!!<br><br>Factor the Trinomial<br><br>x^2+12x+27​
mojhsa [17]

Answer:

(x + 9)(x + 3)

Step-by-step explanation:

Factor 27 so that the factors, when combined, will equal 12:

x² + 12x + 27

x                9

x                3

(x + 9)(x + 3) is your answer.

Check: Use the FOIL method. Multiply the first two terms, the outside terms, the inside terms, and then the last two terms. Combine like terms:

(x + 9)(x + 3) = x² + 3x + 9x + 27 = x² + 12x + 27 (√)

~

5 0
3 years ago
Read 2 more answers
The marked price of a radio set is 450000. A discount of 5% of the marked price is allowed. What is the selling price of the rad
dybincka [34]

Answer:

$427,500 dollars

Step-by-step explanation:

Given the following question:
Initial price = 450,000
5% discount

In order to find the answer, we simply find 5% of 450,000.

\frac{5\times450000}{100} =5\times450000=2250000\div100=22500
450000-22500=427500
r=427500

The radio (after a 5% discount) costs "$427,500 dollars."

Hope this helps.

6 0
2 years ago
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