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alekssr [168]
3 years ago
8

Complete the steps to find the value of x. 2x 1289 22 2

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0

Answer:

Step-by-step explanation:

2x = 128

x = 128/2

x = 64

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Evaluate the expression 3(7 + 4)2 − 14 ÷ 7. (5 points)
Kitty [74]
<span>3(7 + 4)2 − 14 ÷ 7

First do the parenthesis

7 + 4 = 11

so the question looks like: 3(11)2 - 14/7

Then multiply 3, 11, and 2 together

3 x 11 x 2 = 66

66 - 14/7

14/7 equals to 2

66 - 2 

Then just simplify

66 - 2 = 64

64 is your answer

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2 years ago
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Which statement is always true? A.) The absolute value of an integer is equal to the opposite of the integer B.) a positive inte
Ahat [919]

Answer:

the absolute value of an integer is equation to the opposite of the integer

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3 years ago
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Find lim h→0 f(2+h)-f(2)/h if f(x)=x^2+x+1
bekas [8.4K]

Answer:

5

Step-by-step explanation:

\displaystyle \lim_{h \to 0} \frac{f(2+h)-f(2)}{h}

\displaystyle\lim_{h \to 0} \frac{(2+h)^2 + 2 + h + 1 - 2^2 - 2 - 1}{h}

\displaystyle\lim_{h \to 0} \frac{4 + 4h + h^2 + h - 4}{h}

\displaystyle\lim_{h \to 0} \frac{h^2 + 5h}{h}

\displaystyle\lim_{h \to 0} h + 5

= 5

8 0
2 years ago
If d = 14in, what is the radius?
AnnZ [28]

Answer:

radius= 7

Step-by-step explanation:

the radius is half of the diameter.

i hope this helps :)

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2 years ago
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heyyy i did question A but im stuck on question b so if you could help i would really appreciate it it is an emergency &lt;3
stellarik [79]

Answer:

86 cm²

Step-by-step explanation:

Ok, so since 4 circles fit in the square, each circle's diameter must be 10.

Which means the radius of each circle is 5 because 10 ÷ 2 = 5.

Now we can solve for area.

A = πr²

A = 3.14 x 5²

A = 3.14 x 25

A = 78.5 cm²

78.5 cm² is the area of one circle so we multiply that by 4.

78.5 x 4 = 314 cm²

Now we subtract from the area of the square.

20 x 20 = 400 cm²

400 - 314 = 86 cm²

8 0
2 years ago
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