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shutvik [7]
3 years ago
7

D= 8 cm

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

Answer: 4,16,240

Step-by-step explanation:

I got it right on Edge

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Thomas wanted to measure the width of the pond so he set up triangles as shown in the diagram. He claims the two triangles are s
n200080 [17]

Answer:

  • 156 ft

Step-by-step explanation:

<u>As per similarity, the ratios of corresponding sides are same:</u>

  • x/120 = 65/50
  • x = 120*65/50
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8 0
3 years ago
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Write the quadratic equation whose roots are 4 and 5, and whose leading coefficient is 4.
Umnica [9.8K]

Answer:

<u>Answer</u><u>:</u><u> </u><u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>0</u><u> </u>

Step-by-step explanation:

• General quadratic equation:

{ \rm{ {x}^{2}  - (sum \: of \: roots)x + (product \: of \: roots) }}

• sum of roots → 4 + 5 = 9

• product of roots → 4 × 5 = 20

• substitute:

{ \boxed{ \rm{4 {x}^{2}  - 9x + 20 }}}

3 0
3 years ago
Ashley solved the exponential equation 3x + 1 = 15 and her work is shown below. What is the first step she did incorrectly?
Aleks04 [339]
"Step 1: log 3^(x+1) = log15" is the step among the following choices given in the question that she did incorrectly. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your desired help.
7 0
3 years ago
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Complete the missing value in the solution to the equation.<br> y=-2x+4<br> y=-2
anygoal [31]

Answer:

X=3,y=-2

Step-by-step explanation:

This is a simultaneous equation question and we will have to solve using substitution method

So let's solve

y=-2x+4...(1)

y=-2....(2)

Let's substitute (2) into (1)

-2=-2x+4

Substrate 4 from both sides

-6=-2x

Divide both sides by-2

x=3

Substitute the value of x in (1)

y=-2(3)+4

y=-6+4

y=-2

Therefore x is 3,y is -2

3 0
3 years ago
What is 0.386,0.3,0.683,0.836 from greatest to least
Ymorist [56]

Answer:0.3, 0.386,0.683,0.836


Step-by-step explanation:

You look left to right in the numbers (0.12,0.12)

4 0
4 years ago
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