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dalvyx [7]
3 years ago
8

Please help me out if you know it

Mathematics
1 answer:
Elenna [48]3 years ago
4 0

Answer:

equal

Step-by-step explanation:

They have a proportion and a conversion rate

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−4.9t^2+6.1t+2.2=3 in standard form.
den301095 [7]
-4.9t^2 + 6.1t - 0.8 = 0 

Subtract 3 from both sides
7 0
3 years ago
Estimate the value of \frac{\sqrt{2\pi }}{\sqrt{5}}
Butoxors [25]

Answer:

the exact answer is 1.98

if we rationalize denominator we get root 0f 10 times pi divided by 5

root of 10 is about 3.1 (\pi) so we have \frac{\pi  ^{2} }{5} ≈ 9.6/5 = 1.92

Step-by-step explanation:

\frac{\sqrt{2\pi }}{\sqrt{5}} * \frac{\sqrt{5 }}{\sqrt{5}} = \frac{\sqrt{10} \pi }{5}

3 0
3 years ago
Solve the system of equations below by graphing both equations with a
Marat540 [252]
Graph using slope and the y intercept

So y=x+5
You would plot the y intercept (0,5) and then go up 1 and to the right 1

The next graph plot y intercept (0,-1) and then go down 2 and to the right 1

And should look like the image

And your solution should be (-2,3) which is option c

4 0
3 years ago
Please do 3 & 4 and show work
Shalnov [3]

Answer:

3. A=B=70°; C=D=110°

4. A=90°; C=48°

Step-by-step explanation:

Same-side angles of a trapezoid add to 180°.

___

3. (2x) +(x+15) = 180

3x + 15 = 180 . . . . simplify

x +5 = 60 . . . . . . . divide by 3

x = 55

A=B=(x+15)° = (55+15)° = 70°

C=D=2x° = 2·55° = 110°

__

4. You are given the values of one of the angles on each side, so the other can be found by subtraction:

A=180°-D = 90°

C = 180° -132° = 48°

8 0
3 years ago
Find the solutions of the quadratic equation 3x^2-4x+4=0
julia-pushkina [17]

Answer:

2.3

Step-by-step explanation: if your finding the decimal 2.3 will be your answer if not then sorry

8 0
3 years ago
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