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Iteru [2.4K]
2 years ago
13

Use a for your variable. 13 less than 4 times a number is greater than 75 what's the answer ​

Mathematics
2 answers:
tiny-mole [99]2 years ago
8 0

Answer:

13-4a>75 if this is your question then your answer is a< -31/2 or a< -15.5

If you need it in interval notation the answer is (-infinity , -31/2)

Hope This Helps! Also sorry I couldn't put the infinity sign.

sammy [17]2 years ago
6 0

Answer:

Let n = the number

4n - 9 = n

3n = 9

n = 3

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Multiply and simplify: sq rt 7x ((sq rt x)-7sq rt. 7)
jarptica [38.1K]
7x(√x - 7√7) Multiply √7x to "√x" and "-7√7" respectively: 
√7x*√x - 7√7*√7x 
First is to simplify: √7x² - 7√7²x 
Extract the squares: x√7 - 7*7√x 

Then, we simplify: x√7 - 49√x 
After simplifying the equation, I got the answer x√7 - 49√x.
3 0
3 years ago
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-2.2 + 0.3z= 3 -0.5z -0.8z<br> what does z equal
wariber [46]
-2.2 + 0.3z= 3 -0.5z -0.8z \\ \\ 0.3z - 2.2 = 3 - 0.5z - 0.8z \\ \\ 0.3z - 2.2 = 3 - 1.3z \\ \\ 0.3z = 3 - 1.3z + 2.2 \\ \\ 0.3z = -1.3z + 5.2 \\ \\ 0.3z + 1.3z = 5.2 \\ \\ 1.6z = 5.2 \\ \\ z = 3.25 \\ \\

The final result is: z = 3.25.
3 0
3 years ago
Read 2 more answers
Form a sequence that has two arithmetic means between -1 and 59.
9966 [12]

Answer:

Correct choice is B

Step-by-step explanation:

For the numbers -1 and 59, find the difference 59-(-1):

since 59-(-1)=60 and \dfrac{60}{3}=20 (two arithmetic means tells you there will be three intervals), two arithmetic means will be

  • -1+20=19;
  • 19+20=39.

The only correct sequence is -1, 19, 39, 59.

7 0
3 years ago
Read 2 more answers
HELP ME ON THIS PLEASE!!!! SHOW WORK!!!!
Mumz [18]

Answer:

<h2>1. x = 4</h2><h2>2. x = 20</h2>

Step-by-step explanation:

1.

ΔABC and ΔAJK are similar (AA). Therefore the sides are in proportion:

\dfrac{AC}{AJ}=\dfrac{AB}{AK}

We have:

AC = 1 + 4 = 5

AJ = 1

AB = 1 + x

AK = 1

Substitute:

\dfrac{5}{1}=\dfrac{1+x}{1}

5=1+x           <em>subtract 1 from both sides</em>

4=x\to x=4

2.

ΔVUT and ΔVMN are similar (AA). Therefore the sides are in proportion:

\dfrac{VU}{VM}=\dfrac{VT}{VN}

We hve:

VU = x + 8

VM = x

VT = 49

VN = 49 - 14 = 35

Substitute:

\dfrac{x+8}{x}=\dfrac{49}{35}              <em>cross multiply</em>

35(x+8)=49x          <em>use the distributive property a(c + b) = ab + ac</em>

35x+280=49x              <em>subtract 35x from both sides</em>

280=14x         <em>divide both sides by 14</em>

20=x\to x=20

3 0
3 years ago
Maria and Nate graphed lines on a coordinate plane. Maria's line is represented by the equation y = -5/6x +8. Nate's line is per
likoan [24]

Answer:

Option C: 6x-5y=15

Explanation:

y = -5/6x +8

8 is the <u>y-intercept</u>

-5/6x is the <u>slope</u>

when a slope is in <u>fraction form</u> the numerator is the y direction over the denominator how much the line changes in the x direction

::: (\_(\ Hope

*: (=' :') this

•.. (,('')('') helped :)

6 0
2 years ago
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