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Gwar [14]
3 years ago
11

What is the value for x

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
Answer: x=9
Explanation: All 3 angles of a triangle add up to 180, so basically the equation is (3x-5)+(7x+5)+90=180.
Then you add your like terms, so 3x+ 7x=10x and -5+5=0, which cancels out. Now we have 10x+90=180, we subtract the 90 from 180 to see what 10x is equal to and we get 90. So 10x=90. We divide 10 from 90 and we get the value of X, which is 9.
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Frank mary and seth shared some sweets in the ratio 4:5:7 seth got 18 more sweets than frank
Nimfa-mama [501]

Answer:

each number in the ratio 4:5:7 is worth 6 sweets. add 4,5, and 7 to get 16 then multiply it by 6 to get 96 sweets.

Step-by-step explanation:

add the ratios = 4+5+7= 16

1 number = 6 so

4x6= 24

5x6=30

7x6=42

Frank gets 24 sweets

Mary gets 30 sweets

Seth gets 42 sweets

The total number of sweets they shared is 24+30+42= 96

The share 96 sweets altogether.

The check your answer; do 42-24= 18

Therefore, now we know that the difference between Seth and Frank's amount of sweets is 18.

Therefore, this is correct.

5 0
3 years ago
What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2
katen-ka-za [31]

let's recall that the vertical asymptotes for a rational expression occur when the denominator is at 0, so let's zero out this one and check.

\bf \cfrac{5x+5}{x^2+x-2}\qquad \stackrel{\textit{zeroing out the denominator}~\hfill }{x^2+x-2=0\implies (x+2)(x-1)=0}\implies \stackrel{\textit{vertical asymptotes}}{ \begin{cases} x=-2\\ x=1 \end{cases}}

5 0
3 years ago
"At ​$1.29 million​, they closed last month for...26 percent above what they paid in​ 2007." How much did they pay in​ 2007?
Morgarella [4.7K]

Answer:  Amount that they paid in 2007 is 1.01 millions.

Step-by-step explanation:

Since we have given that

Number of millions paid last month = $1.29 millions

According to question, it was 26% above what they paid in 2007.

Let the amount paid in 2007 be x

So, our equation becomes,

\frac{100+27}{100}\times x=1.29\\\\\frac{127}{100}\times x=1.29\\\\1.27\times x=1.29\\\\x=\frac{1.29}{1.27}\\\\x=1.01\ millions

Hence, Amount that they paid in 2007 is 1.01 millions.

7 0
4 years ago
Read 2 more answers
What is the sum of the first 5 terms of a geometric series with a sub 1 = 10 and r = 1/5?
Mice21 [21]

Answer:

a 1 = 10

a 2 = 10 * 1/5 = 2

a 3 = 2 * 1/5 = 2/5

a 4 = 2/5 * 1/5 = 2/25

a 5 = 2/25 * 1/5 = 2/125

S 5 = a 1 + a 2 + a 3 +a 4 + a 5= 10 + 2 + 2/5 + 2/25 + 2/125 =

= 1250/125 + 250/125 + 50/125 + 10/125 + 2/125 = <u> 1562 / 125</u>

5 0
3 years ago
Read 2 more answers
Tell us this if you have a job or allowance how much do you take home per week? need help!
goldenfox [79]
Around 215 I believe I’m not 100%
7 0
2 years ago
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