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Morgarella [4.7K]
3 years ago
10

Solve using the quadratic 02 + 3r +3= 0 Asnwer

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
6 0

Answer:

r= -5/3

Step-by-step explanation:

:Simplify both sides of the equation.

2+3r+3=0

(3r)+(2+3)=0(Combine Like Terms)

3r+5=0

3r+5=0

Step 2: Subtract 5 from both sides.

3r+5−5=0−5

3r=−5

Step 3: Divide both sides by 3.

3r

3

=

−5

3

r=

−5

3

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soldi70 [24.7K]

Answer:

root 49= 7^2

root 100= 10^2

root 144= 12^2

root 324= 18^2

root 441= 21^2

Step-by-step explanation:

7 0
3 years ago
Use the Law of Cosines to find the missing angle. In triangle JKL, j=3in., k=4in., and l=2.89., find mJ
slega [8]
Using the law of cosine for Triangle KJL, we can write:

j^{2} = k^{2} + l^{2}-2(k)(l)cos(J)  \\  \\ 
2(k)(l)cos(J)=k^{2} + l^{2}- j^{2} \\  \\ 
cos(J)= \frac{k^{2} + l^{2}- j^{2}}{2(k)(l)}

Using the values of k,j and l, we can write:

cos(J)= \frac{ 4^{2} + (2.89)^{2} - 3^{2} }{2(4)(2.89)}  \\  \\ 
cos(J)= 0.664 \\  \\ 
J= cos^{-1}(0.664) \\  \\ 
J=48.39

Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer
8 0
3 years ago
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What is the 10th term of the sequence 64,16,4....?
krek1111 [17]

Answer:

10th term of the sequence 64,16,4... = 1/4096

Step-by-step explanation:

Points to remember

nth term of GP is given by.

Tₙ = ar⁽ⁿ⁻¹⁾

Where r is the common ratio and a is the first term

<u>To find the 10th term of given GP</u>

It is given that,

64, 16, 4,......

a = 64 and 6 = 1/4 Here

T₁₀ = ar⁽ⁿ⁻¹⁾

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8 0
3 years ago
"find the equation of the line passing through the point (1,1) and perpendicular to the line y=5x-1 enter the exact answer. Use
arlik [135]

In this question, we have o find the equation of line passing through point (1,1) and is perpendicular to the line

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So slope of perpendicular line is

m = - \frac{1}{5}

Using slope intercept form, which is

y=mx+b

Substituting the values of x and y from the given point, and the value of m, we will get

1= -  \frac{1}{5} +b

adding 1/5 to both sides

1 + \frac{1}{5} = b&#10;\\&#10;b = \frac{6}{5}

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8 0
4 years ago
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