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Zanzabum
3 years ago
8

Ill give brainliest - please help ASAP WITH THE WORK THO PLEASE?

Mathematics
1 answer:
evablogger [386]3 years ago
5 0

Answer:

this is your answer look it once

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What is the answer to this problem?
valkas [14]

Answer:

60

Step-by-step explanation:

DEF=180

DE=120

180-120=60

i hope this helps

5 0
3 years ago
How much must be added to each of the three numbers 1, 11, and 23 so that together they form a geometric progression?
Sliva [168]

Answer:

49

Step-by-step explanation:

Let x be unknown number which should be added to numbers 1, 11, 23 to get geometric progression. Then numbers 1 + x, 11 + x, 23 + x are first three terms of geometric progression.

Hence,

b_1=1+x\\ \\b_2=11+x\\ \\b_3=23+x

and

b_2=b_1\cdot q\Rightarrow 11+x=(1+x)q\\ \\b_3=b_2\cdot q\Rightarrow 23+x=(11+x)q

Express q:

q=\dfrac{11+x}{1+x}=\dfrac{23+x}{11+x}

Solve this equation. Cross multiply:

(11+x)^2=(1+x)(23+x)\\ \\121+22x+x^2=23+x+23x+x^2\\ \\121+22x=23+24x\\ \\22x-24x=23-121\\ \\-2x=-98\\ \\2x=98\\ \\x=49

5 0
3 years ago
How do you get the equation of the line in fully simplified slope-intercept form?​
Igoryamba

Answer:

y= -2/5 x -4

Step-by-step explanation:

So the equation is y=mx+b. Where m=slope and b=y-intercept. To find b, you would see at what point does the line cross the y axis. That would be at -4 so, -4 would be the b or y-intercept. To find m, you would take two points on the line and use this equation:

m=(y2 - y1 )/(x2 - x1)

If you were using the points, (-10,0) and (0, -4) the equation would be:

m=(-4-0) / (0+10)

So, m= -2/5

The equation of the line would end up being:

y= -2/5 x -4

4 0
3 years ago
Complete the third step to solve the equation.
AlekseyPX

Step-by-step explanation:

8x = 1

x = 1/8

So x = 1/8 is the correct answer

5 0
2 years ago
Read 2 more answers
Evaluate. 32 + 23 + ( 5 9 )2
Marat540 [252]

Answer:

173

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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