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Bess [88]
3 years ago
9

How many numbers between 100 and 200 can be expressed as powers of 2? Show the steps you followed. Which power of 2 is closest t

o 1000?Show your work For middle school
Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0

Answer:

soo the answer is

2,4,8,16,32,64 128?

Step-by-step explanation:

Square the numbers starting with 10 and ending when you get an answer over 200.

b) Keep squaring numbers until you get to one that equals close to, but less than, 1000.

Hint: The square root of 1,000 = about 31.62.

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Solve 2x + 5y = –13. 3x – 4y = –8
disa [49]
If you would like to solve 2x + 5y = - 13 and 3x - 4y = -8, you can do this using the following steps:

<span>2x + 5y = -13  /*4
3x - 4y = -8     /*5
</span>_________________
8x + 20y = -52
15x - 20y = -40
_________________
8x + 15x + 20y - 20y = -52 - 40
23x = -92    /23
x = -92 / 23
x = -4

<span>2x + 5y = -13
</span>2 * (-4) + 5y = -13
-8 + 5y = -13
5y = -13 + 8
5y = -5
y = -1

(x, y) = (-4, -1)

The correct result would be D.) <span>(-4, -1).</span>
8 0
3 years ago
Read 2 more answers
Solve for A<br> Exact (no rounding, no calculator needed)<br><br> 0 = A^2 + 13A + 36
marysya [2.9K]

Answer:

-4 or -9

Step-by-step explanation:

-a^2-13a-36=0

(-a-4)(a+9)=0

-a-4=0

a+9=0

a= -4, -9

3 0
3 years ago
Teresa stated that the heights of the students in her class were not a function of their ages. Which reasoning could justify Ter
jenyasd209 [6]
<h2>Answer:</h2>

Option: A is the correct answer.

A.  Two students are the same age but have different heights.

<h2>Step-by-step explanation:</h2>

The height of a student could not be a function of the ages of a student because two or more students with the same age may have the different heights .

This means that a value on a x-axis (i.e.  age) is mapped to two or more  values i.e. corresponding y-value ( i.e.  different heights) which violates the definition of function.

Hence, option: A is the correct answer.

5 0
3 years ago
Read 2 more answers
Can someone help me please I don't understand
iVinArrow [24]
The formula for surface area are 2(LW+LH+WH). If the numbers were being placed in the formula, it will become 2[(9*7)+(9*12)+(12*7)]. 9*7 is 63, 9*12 is 108, 12*7 is 84 and the sum will be 255, and multiply by 2 is 510.
The answer is 510
7 0
3 years ago
Solve the following equation for a. <br> -4G+1/8Qa=7<br> Answer: a=?
kolbaska11 [484]

By making a the subject of formula in the given equation, the value "a" is equal to 1/(56Q + 32GQ).

<h3>What is an equation?</h3>

An equation can be defined as a mathematical expression which shows that two (2) or more thing are equal.

In this exercise, you're required to solve for a from the given mathematical expression (equation) by making it the subject of formula. This ultimately implies that, all the other variables would be defined in terms of a and they would all be on the same side of the "equal to" symbol.

Making a the subject of formula, we have:

-4G + 1/8Qa = 7

1/8Qa = 7 + 4G

Multiplying both sides by 8Q, we have:

8Q × 1/8Qa = (7 + 4G) × 8Q

1/a = 56Q + 32GQ

a = 1/(56Q + 32GQ).

Read more on subject of formula here: brainly.com/question/21140562

#SPJ1

6 0
2 years ago
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