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mr_godi [17]
3 years ago
8

For what value of x will the output to the exponential equation, y = 3.80e -620x, be equal to 2?

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
The answer is twoiisvsb
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(x2+x)(x2-2x-3) is equal to?
PtichkaEL [24]

Answer:

x^4-x^3-5x^2-3x

Step-by-step explanation

Use the FOIL Method or factor.

3 0
3 years ago
Solve kx-2=7 for x. A. x=5/k B. x=9k C. x=9-k D. x=9/k ​
timurjin [86]

Answer:

the answer is D- 9/k

8 0
1 year ago
Read 2 more answers
HURRY PLS i’ll give brainliest please help thanks :)
lianna [129]

Answer:

67°F

Step-by-step explanation:

The mean is another way to say average.

To find the average: you have to add up all of the temperatures, then divide by how many numbers (in this case, time slots) are there.

58°F + 60°F + 61°F + 67°F + 69°F + 73°F + 74°F + 74°F = 536°F

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5 0
3 years ago
A student stands 20 m away from the foot
Ostrovityanka [42]

Answer:

Height of tree is \approx <em>15 m.</em>

<em></em>

Step-by-step explanation:

Given that student is 20 m away from the foot of tree.

and table is 1.5 m above the ground.

The angle of elevation is: 34°28'

Please refer to the attached image. The given situation can be mapped to a right angled triangle as shown in the image.

AB = CP = 20 m

CA = PB = 1.5 m

\angle C = 34°28' = 34.46°

To find TB = ?

we can use trigonometric function tangent to find TP in right angled \triangle TPC

tan \theta = \dfrac{Perpendicular}{Base}\\tan C= \dfrac{PT}{PC}\\\Rightarrow tan 34.46^\circ = \dfrac{PT}{20}\\\Rightarrow PT = 20 \times 0.686 \\\Rightarrow PT = 13.72\ m

Now, adding PB to TP will give us the height of tree, TB

Now, height of tree TB = TP + PB

TB = 13.72 + 1.5 = 15.22 \approx <em>15 m</em>

7 0
3 years ago
Kira's chocolate bar is
erik [133]
The egation is 58/0.79=73
the cocoa ways 73% of the grams and 73% of 58 is 42 so the cocoa weighs 42 grams in total

6 0
3 years ago
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