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nevsk [136]
3 years ago
7

Solve for d: 6d^2+5d=1

Mathematics
1 answer:
scoray [572]3 years ago
7 0
Step 1: Subtract 1 from both sides.<span><span><span><span>6<span>d2</span></span>+<span>5d</span></span>−1</span>=<span>1−1</span></span><span><span><span><span>6<span>d2</span></span>+<span>5d</span></span>−1</span>=0</span>Step 2: Factor left side of equation.<span><span><span>(<span><span>6d</span>−1</span>)</span><span>(<span>d+1</span>)</span></span>=0</span>Step 3: Set factors equal to 0.<span><span><span><span>6d</span>−1</span>=<span><span><span>0<span> or </span></span>d</span>+1</span></span>=0</span><span><span>d=<span><span><span>1/6</span><span> or </span></span>d</span></span>=<span>−1</span></span>Answer:<span><span>d=<span><span><span>1/6</span><span> or </span></span>d</span></span>=<span>−<span>1</span></span></span>
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Solve for x in the triangle. Round your answer to the nearest tenth.
hodyreva [135]

Answer:

x ≈ 11.7

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos26° = \frac{adjacent}{hypotenuse} = \frac{x}{13} ( multiply both sides by 13 )

13 × cos26° = x , then

x ≈ 11.7 ( to the nearest tenth )

4 0
2 years ago
If a 36-foot tree casts a 28-foot shadow at the same time near by building casts a 70-foot shadow, how tall is the building?
Arada [10]
Actual length / shadow ratio is equal
Let the height of the building be x, then
36/28 = x/70
x = (36 x 70)/28 = 2,520/28 = 90.

Therefore, the height of the building is 90 feet.
7 0
3 years ago
Read 2 more answers
Does the inequality sing mean equals in an equasion
shtirl [24]
Here are the 4 inequality signs.

a < b     ---> a is less than b
a \le b    ---> a is less than or equal to b
a > b     ---> a is greater than b
a \ge b    ---> a is greater than or equal to b

For the second and fourth lines above, the two sides may or may not be equal.
For the first and third lines above, the two sides cannot be equal.

6 0
2 years ago
S and Tare mutually<br> exclusive events. Find P(sort)<br> P(S) = 12% P(T) =27%
mario62 [17]

The value of the probability P(S or T) is 39%

<h3>How to determine the probability?</h3>

The probability values are given as:

P(S) = 12% P(T) =27%

For mutually exclusive events,

P(S or T) = P(S) + P(T)

This gives

P(S or T) = 12% + 27%

Evaluate the sum

P(S or T) = 39%

Hence, the value of the probability P(S or T) is 39%

Read more about probability at:

brainly.com/question/11234923

#SPJ1

8 0
2 years ago
What is the sum of the following amounts of money: $10.15 + $31.60 + $34.75 + $40 + $69.25 + $54.75?
mamaluj [8]
The sum is $240.50    

I hope this helps
5 0
3 years ago
Read 2 more answers
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