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3 years ago

6(6v +6) - 5 = 1 + 6v Need answer with explaination

Mathematics

2 answers:

Tresset [83]3 years ago

6 0

Answer:

v=-1

Step-by-Step Explanation:

mart [117]3 years ago

6 0

Answer:

$v=-1$

Step-by-step explanation:

$6\left(6v+6\right)-5=1+6v$

Use the distributive property to multiply 6 by 6v+6:

$36v+36-5=1+6v$

Subtract 5 from 36 = 31

$36v+31=1+6v$

Subtract 6v from both sides:

$36v+31-6v=1$

Combine like terms:

$36v$ and $-6v$ $=30v$

$30v+31=1$

Subtract 31 from both sides:

$30v=-30$

Divide both sides by 30:

$\cfrac{30v}{30}=\cfrac{-30}{30}$

$v=-1$

_________________________

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3 years ago

Please help!?

Alex787 [66]

Answer:

x=63.25

Step-by-step explanation:

Hi there!

We're given ΔDEF with m<E=90°, m<D=49°, DE=55, and EF=x

we need to find the value of x

Let's use trigonometry to do it

Since we are given the measures of the 2 legs (the sides that make up the 90° angle), let's use tangent, specifically tan(49), since we are given the measure of that angle

Recall that tangent is $\frac{opposite}{adjacent}$

in reference to m<D (the angle that is 49°), the opposite side is EF (x) and the adjacent side is DE (55)

so tan(49)= $\frac{x}{55}$

plug tan(49) into your calculator; remember to have the calculator on degree mode

tan(49)≈1.15 (rounded to the nearest hundredth)

so that means:

1.15= $\frac{x}{55}$

multiply both sides by 55 to clear the fraction

63.25=x

Hope this helps!

5 0

3 years ago

(U...

Tresset [83]

Answer:

the 19th term of the arithmetic sequence is 73.

Step-by-step explanation:

Given:

The arithmetic sequence whose common difference is

$d=4$

And first term is

$a=1$

Find the 19th term of the arithmetic sequence

$n=19$

Now we know that,

$a_{n}=a+(n-1)d$

Put all the value in above AP.

$a_{19}= 1+(19-1)4$

$a_{19}= 1+18\times 4$

$a_{19}= 1+72$

$a_{19}= 73$

So, $19_{th}$ term of the sequence is 73.

3 0

3 years ago

Ammon and Nakia volunteer at an animal shelter. Nakia worked 3 more hours than Ammon. They each worked a whole of hours. Togethe

Bond [772]

7 because 27/3 equals 13.5 but sense Nakia worked 3 more hours then Ammon. So here's the work: 27 divided by 3 equals 13.5

Nakia worked 3 more hours so : 13-3=10

Now let's add up 10+13= 23(thats too much)

so next 7+4=11

Now let's try 8+5=13

8-5=3

so as we see 8 is 3 more than 5 so Nakia worked 8 hours and Ammon worked 5

The ANSWER: Nakia=8 and Ammon=5

3 0

3 years ago