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PolarNik [594]
2 years ago
9

Find the number of real number solutions for the equation. x2 – 3x + 8 = 0 1 0

Mathematics
1 answer:
irina1246 [14]2 years ago
4 0
The answer to the equation is 0
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A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she ascended 63.9 feet. How many
kati45 [8]

Answer:

-85.9 feet below sea level.

Step-by-step explanation:

3 0
2 years ago
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If f(x)=4/5x^2+12x what is the value of (5)
quester [9]

Answer:

f(5)=80

Step-by-step explanation:

5^2=5*5=25

(4/5)(25)=4(5)=20

12(5)=60

20+60=80

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3 years ago
Given:<br>AC – AR<br>&lt;1 = &lt;2<br>Prove:<br>&lt;3 =&lt;4<br><br>​
Katena32 [7]

Answer:

ΔCTA ≅ ΔDRA

Step-by-step explanation:

Triangles CTA and DRA are congruent by ASA postulate. This is because:

  • ∠1 ≅ ∠2 (given)
  • AC ≅ AR (given)
  • ∠A is the same for both triangles (they are opposite angles)

Then, correspondent angles and sides are congruent, for example, ∠3 ≅ ∠4

8 0
3 years ago
Mrs. Brown drove 105 miles in 2.5 hours. What was Mrs. Browns speed in miles per hour?
fiasKO [112]

Answer:

42mph.

Step-by-step explanation:

We know that the formula for miles per hour is.

r = d/t

R is our rate or miles per hour.

D is our distance.

T is our time.

In this case our distance is 105 miles.

And our times is 2.5 hours.

Therefore if we substitute them into our formula:

105mi ÷ 2.5hrs = 42mph

Hope this helped!

8 0
2 years ago
Pls pls pls pls helpppp
Anon25 [30]

Answer:

30

Step-by-step explanation:

21*10=210

210/7=30

x=30

3 0
3 years ago
Read 2 more answers
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