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gregori [183]
3 years ago
11

Please helpppp due tomarrow very easy

Mathematics
2 answers:
Ivan3 years ago
5 0

b=12 for the last one

r-ruslan [8.4K]3 years ago
3 0

Answer:

6b+37

Step-by-step explanation:

6b+30+7

Since there is a parenthesis, you must get rid of it. You multiply the number in front of the parenthesis and you will get:

6b+30+7

You cannot add a variable and a number, but you can add a number to a number so, you will get the answer

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a cell phone company charges $42 per month of service the cost of a new cell phone plus 8 months of service is $415.99 how much
salantis [7]
1247.97 so you have to skip count
3 0
3 years ago
if the breadth of rectangle in one third of its length and perimeter is 80 cm find length and breadth of rectangle​
LiRa [457]

Answer:

length = 30 cm

Breadth = 10 cm

Step-by-step explanation:

Length = x cm

Breadth = (1/3)x

Perimeter = 80 cm

2(length + breadth) = 80

2* (x + (1/3)x) = 80

2*(\frac{3}{3}x+\frac{1}{3}x) = 80\\\\2*(\frac{4}{3}x) = 80\\\\\frac{8}{3}x = 80\\\\x = 80*\frac{3}{8}\\\\x = 10*3

x = 30cm

length = 30 cm

breadth = \frac{1}{3}*30=10 cm

6 0
3 years ago
Please help !! Geometry homework. Will mark brainliest answer !
sergeinik [125]

For this case we have:


By trigonometric property we have:


Cosine(\alpha)=\frac{AdjacentLeg}{Hypotenuse}

Where:


Adjacent Leg = 12\\Hypotenuse = 13\\\alpha= x

Substituting:


Cosine(x)=\frac{12}{13}

Clearing x we have:


x =Cosine^{-1}(\frac{12}{13})

Thus, the equation is: x =Cosine^{-1}(\frac{12}{13})

Answer:


x =Cosine^{-1}(\frac{12}{13})


3 0
3 years ago
I need serious answers ppl keep putting those links
ohaa [14]

Answer:

Roman

Step-by-step explanation:

An easy way to solve this is looking at whether the line has a positive or negative slope. We read graphs from left to right so <u>if the line is increasing from left to right, it has a positive slope while a line decreasing from left to right has a negative slope</u>. Since the line shown is decreasing from left to right, it will have a negative slope and Roman is the only one out of the two that shows a negative slope. To check to see if he's correct, we can check the y-intercept. The y-intercept of the line is 8 and Roman also has 8 written in the expression. Hence, meaning Roman is correct.

Best of Luck!

7 0
3 years ago
An entrepreneur is having a design group produce at least eight samples of a new kind of fastener that he wants to market. It co
DerKrebs [107]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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