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3 years ago

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How many solutions does the equation 4x + 2(x − 5) = 3(2x − 4) have? Group of answer choices infinitely many solutions no soluti

on at least two solutions exactly one solution

1 answer:

aleksandrvk [35]3 years ago

5 0

Answer:

absolutley no solutions

Step-by-step explanation:

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Real numbers worksheet<br> Help please and ty

Rina8888 [55]

Answer:

1. 30 → real, rational, integer, whole number, natural number

2. •11 → real, irrational

3. 5 ⁴/7 → real, rational, integer

4. √21 → real, irrational

5. 0 → real, rational, integer, whole, natural

6. -√9 → real, rational, integer, whole

7. 6/3 → real, rational, integer, whole, natural

8. π → real, irrational

9. 5⅔ → real, rational, integer

Step-by-step explanation:

$.$

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2 years ago

Consider the spiral given by c(t) = (e2t cos(2t), e2t sin(2t)). Show that the angle between c and c' is constant. c'(t) = _____L

Tcecarenko [31]

Answer:

angle is 45° which is constant

Step-by-step explanation:

We use formula for two vectors <u>a </u>and <u>b</u> to calculate angle θ between them by formula

cos θ = <u>a .</u> <u>b</u> / magnitude of <u>a </u> × magnitude of <u>b</u>

<u>Please see the attached file</u>

8 0

2 years ago

Work out the circumference of this circle.

Arada [10]

Answer: 52.7856cm

Step-by-step explanation:

Circumference of a circle = 2πr

Note that radius = Diameter / 2 = 16.8/2 = 8.4cm

Circumference = 2πr

= 2 × 3.142 × 8.4

= 52.7856cm

Therefore, the circumference of the circle is 52.7856cm

6 0

3 years ago

What's 45 out of 58 in percentage?

Vladimir [108]

$For \ any \ percentage \ you \ just \ take \ the \ number, \ here \ 45, \\ divide \ by \ the\ number \ here\ 58,\ and \ multiply \ by \ 100 \ \%. \\\\ \frac{45}{58}\cdot 100 \ \%= 0,7758 \cdot 100 \ \%=77,58 \ \% \approx 78 \ \%$

5 0

3 years ago

Read 2 more answers

5. Which has at least 1 set of parallel sides but is not a parallelogram? Select all

viktelen [127]

Answer:

E

Step-by-step explanation:

It has only two parallel sides

5 0

3 years ago