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Sophie [7]
3 years ago
10

2+2 my question must be 20 characters long

Mathematics
1 answer:
geniusboy [140]3 years ago
4 0
It is four. So two and two you add them together to be four. Good job. Your learning :)
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shirin bought a fruit smoothie. she paid $5.40 plus sales tax. the sales tax was %5. how much does she pay in sales tax?
Kitty [74]

Answer:

0.27

Step-by-step explanation:

5%of 5.40

=(5/100) *5.40

=$0.27

5 0
3 years ago
Read 2 more answers
How do u multiply 124 times 17
Agata [3.3K]
124=100+20+4, 17=10+7
124*17=(100+20+4)(10+7)=1000+200+40+700+140+28=2108
3 0
3 years ago
MULTIPLE CHOICE 9th grade math: help me find the formula to the nth term:
maxonik [38]

Answer:

a_{n} = - 5n - 2

Step-by-step explanation:

There is a common difference between consecutive terms, that is

- 12 - (- 7) = - 17 - (- 12) = - 5

This indicates the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 7 and d = - 5, then

a_{n} = - 7 - 5(n - 1) = - 7 - 5n + 5 = - 5n - 2

3 0
3 years ago
F(x)=square root of x^2+24x+144. g(x) = square root of x^3 -216
Triss [41]

Answer:

Step-by-step explanation:

x^2 + 24x + 144 is a perfect square:  (x + 12)².  The square root of this is

±(x + 12).

g(x) = square root of x^3 -216 = √(x^3 - 216), or

√(x³ - 6³).   x³ - 6³ is not a perfect square, altho' it can be factored.

6 0
3 years ago
Read 2 more answers
if a and b are acute angles such that sinA=4/5 and cosB=12/13, calculate, without using tables: sin(a-b)
kolbaska11 [484]
\sin \alpha = \frac{4}{5} \\ \cos \alpha  =  \sqrt{1-\sin^2 \alpha }= \sqrt{1- \frac{16}{25} }   = \sqrt{ \frac{9}{25} }= \frac{3}{5} \\    \\ \cos \beta = \frac{12}{13}  \\  \sin \beta  =  \sqrt{1-\cos^2  \beta }= \sqrt{1- \frac{144}{169} }   = \sqrt{ \frac{25}{169} }= \frac{5}{13}


\\  \\ \sin (\alpha- \beta ) =\sin \alpha \cos \beta -\cos \alpha \sin \beta = \frac{4}{5}\times \frac{12}{13}-   \frac{3}{5}\times \frac{5}{13} =  \frac{48}{65}- \frac{15}{65}=  \frac{33}{65}

Answer:
sin(α-β) = 33/65
7 0
3 years ago
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