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aalyn [17]
2 years ago
14

Write the following using algebraic notation, using the letter x for any unknown numbers:

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
6 0

Answer:

\dfrac{x+7}{5}

Step-by-step explanation:

The given statement is "I think of a number, add seven then divide by five".

Let the unknown number be x.

Now, add 7 to the number = x+7

If we divided them by 5, \dfrac{x+7}{5}.

So, the required algebraic notation is  \dfrac{x+7}{5}.

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Which numbers are solutions to the inequality below?
babunello [35]

Answer:

4, 5 and 6

Step-by-step explanation:

Add 19 to both sides:

-4x > 52

Divide by -4

x > -13 (Flip the sign when multiplying or diving by a negative)

4, 5 and 6 satisfy this

6 0
2 years ago
If the volume of the right prism shown is 27 ft3, then h = __feet.
konstantin123 [22]

Answer:

h=6

Step-by-step explanation:

To find the volume of a right angle prism-

Find area of cross-section, in this case an isoscles triangle so we know that both of the parallel lines are 3ft

To find the area of the cross-section, do:

3 x 3 = 9

9 ÷ 2 = 4.5 (Area of cross-section)

Since we don't know the length of h, we need do:

27^3 ÷ 4.5 = 6

Therefore 6 is h

Hope I explained it okay:)

3 0
2 years ago
Please help with this question.
Aneli [31]

Answer:

if I have my calculations right it would be £120

6 0
3 years ago
What is 2/-4 simplified<br>​
pickupchik [31]

Answer:

-0.5 is the answer I think

8 0
3 years ago
Read 2 more answers
-2(x+5)=2 is an example of wich property
denpristay [2]
-2(x + 5) = 2  |use distributive property: a(b + c) = ab + ac

-2x - 10 = 2    |add 10 to both sides

-2x = 12    |divide both sides by (-2)

x = -6
5 0
3 years ago
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