3 years ago

Suppose y varies with x,and y=9 when x =-13.what is y when x=25

Mathematics

1 answer:

german3 years ago

6 0

Answer:

Step-by-step explanation:

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Reika [66]

Answer:

Step-by-step explanation:

12.8/2 = 96 / 2 = 48

the answer is the first one

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3 years ago

5. Aaron sold 126 boxes of cookies. This is 14 more than twice the

qaws [65]

Answer:

112

Step-by-step explanation:

Aaron = y

Victoria = x

y = 14 +x

126 = 14 + x

x = 112

Victoria sold 112 boxes of cookies

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2 years ago

A ribbon is cut into n parts. The length of each part increases such that they form a geometric progression. SPM Given the lengt

emmainna [20.7K]

Answer:

Step-by-step explanation:

$Let\ say\ r \ the \common\ ratio:\\a)a_4=r^2*a_2=9*a_2\Longrightarrow\ r=3\ (not\ -3\ since\ parts\ are\ positive)\\\\b)\\\displaystyle \sum_{i=1}^{n} a_i =a_1+a_2+a_3+...+a_n\\\\=a_1+a_1*r+a_1*r^2+a_1*r^3+...+a_1*r^{n-1}\\\\=a_1*(1+r+r^2+...+r^{n-1})\\\\=a_1*\dfrac{r^n-1}{r-1} \\\\147620=5*\frac{(3^n-1)}{3-1} \\\\3^n-1=\frac{2*147620}{5} \\\\3^n=59049 \\\\n*ln(3)=ln(59049)\\\\n=\dfrac{ln(59049)}{ln(3)} \\\\n=10\\\\a_n=5*3^{10-1}=5*19683=98415(cm)$

5 0

3 years ago

5. For what value of A would the following equations satisfy?<br>AXA = A and A+A=A

Virty [35]

Answer:

the answer is 0, cause 0×0=0 and when adding the 0 u will get 0. Hope it helps!

3 0

2 years ago

I trying to simplify ( 14+5) +15÷2 PLEASE HELP this is a 5th grade math question

sertanlavr [38]

Answer:

14+5 = 19

19 + 15/2

15/2 = 7.5

19+7.5 = 26.5

Just remember PEMDAS!

Pls mark brainliest

Step-by-step explanation:

6 0

3 years ago