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Ghella [55]
3 years ago
11

Rename 2934 as tens and ones

Mathematics
1 answer:
brilliants [131]3 years ago
3 0
293 tens and 4 ones

<em>Explanation:
</em>If you have 293 tens you have 2930 already.
293*10 = 2930

Now you are only missing 4,
4*1 = 4
so you can use 4 ones
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4x – 8<br><br> Please helppp
Nadya [2.5K]

-2

Divide each term (-4x = 8 by -4)

Cancel the common factor of -4

x = 8/-4

THEN DIVIDE

x=-2

4 0
2 years ago
Please teach me on how to answer this question. (addmath question)
arsen [322]

We know that \overline{x}=8 so:

\overline{x}=8\\\\\\\dfrac{\sum\limits_{k=1}^7\,x_k}{7}=8\qquad|\cdot7\\\\\\ \boxed{\sum\limits_{k=1}^7\,x_k=56}

We want to calculate:

\sum\limits_{k=1}^7\,\big(2x_k-3\big)^2=\sum\limits_{k=1}^7\,\big(4x_k^2-12x_k+9\big)=\\\\\\=\sum\limits_{k=1}^7\,4x_k^2-\sum\limits_{k=1}^7\,\big12x_k+\sum\limits_{k=1}^7\,9=4\sum\limits_{k=1}^7\,x_k^2-12\sum\limits_{k=1}^7\,x_k+\sum\limits_{k=1}^7\,9=\\\\\\=4\cdot672-12\cdot56+7\cdot9=2688-672+63=\boxed{2079}

5 0
3 years ago
Factor the expression -24x -30
morpeh [17]

Answer:

-6(4x+5)

Step-by-step explanation:

-24 = -6 * 4

-30 = -6 * 5

6 is a common factor of both 24 and 30.

-6(4x) = -24x

-6(5) = -30

6 0
2 years ago
Read 2 more answers
Question 2 <br><br> help pls its hard i forgt how to do it
Arada [10]

Answer: 52

Step-by-step explanation:

a^2+b^2=c^2

x is the hypotenuse (c). You can find the hypotenuse by finding the opposite of the right angle

48^2+20^2=2304+400=2704

√2704=52

x=52

3 0
1 year ago
What is the vaule of x that satisfies the equation -3x-6=30? a. -12 b.-8 c.8 d.12
Jobisdone [24]
A. -12 is the answer
7 0
3 years ago
Read 2 more answers
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