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MrMuchimi
3 years ago
10

9 less than a number is at most the same number divided by 2

Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0

Answer:

x is less than or equal to 18.

Step-by-step explanation:

x - 9 < or = x /2

x - x/2 < or = 9

x/2 < or = 9

x < or = 18

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7. The largest of the Great Pyramids in Egypt was built with a square base,
strojnjashka [21]

Answer:

Difference between the original and current volumes = 4013140.30 cubic feet

Step-by-step explanation:

Largest pyramid has the square base with one edge = 754 feet

Area of the square base = (Side)²

                            = (754)²

                            = 568516 square feet

Volume of the pyramid = \frac{1}{3}(\text{Area of the base})(\text{Height})

                                       = \frac{1}{3}\times 568516\times 481

                                       = 91152065.3 cubic feet

After erosion,

Area of the base = (745)² = 555025 square feet

Volume of the pyramid = \frac{1}{3}(555025)(471)

                                       = 87138925 cubic feet

Difference between the original and current volumes of the pyramid

= 91152065.30 - 87138925

= 4013140.30 cubic feet

5 0
3 years ago
Please help with these 3 questions and show all work!
Bas_tet [7]
Question 1:
"Match" the letters
DE are the last two letters of BCDE
The last two letters of OPQR is QR
DE is congruent to QR

Question 2:
Blank 3: Reflexive property (shared side)
Blank 4: SSS congruence of triangles (We have 3 sets of congruent sides)

Question 3:
I'm guessing those two numbers are 7.
Since both are 7, AB and AE are congruent.
We know that all the other sides are congruent because it is given.
We also know that there is a congruent angle in each triangle.
Thus, the two triangles are congruent by SAS or SSS.
(Note: I couldn't prove this without the two "7"s because there is no such thing as SSA congruence)

Have an awesome day! :)

8 0
3 years ago
The mode of 1.5, 1.6, 2, 2, 3.4, 5.6, 5.9 is 3.14.<br><br> True<br><br> False
inessss [21]
The answer is FALSE, the mode in a sequence is the number that appears most often; the mode is 2.
6 0
3 years ago
write an equivalent expression by using the distributive property (un-distributive) and factoring out a common factor. 3x+12-9y=
anygoal [31]
The commoner factor is 3
The equation would be
x-3y+4
8 0
3 years ago
Please Help Me please
rjkz [21]

Answer:

the 3 one

Step-by-step explanation:

7 0
3 years ago
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