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3 years ago

12- Find the percent of change: 56 increased to 88

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

8 0

Number 1 is 32 and the second one is 85

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Let f(x)=(18)3^x. find the equation of the line between the points (-2,f(-2)) and (1,f(1))

horsena [70]

$\text{Given that,} \\\\f(x) = 18 \cdot 3^x \\\\f(-2) = 18 \cdot 3^{-2} = 2\\\\f(1) = 18 \cdot 3^1 = 54\\ \\\text{So,}~ (x_1,y_1) = (x_1, f(-2)) = (-2,2) ~\text{and}~ (x_2,y_2) = (x_2, f(1)) = (1,54)\\ \\\text{Slope,}~ m = \dfrac{y_2 -y_1}{x_2 -x_1} = \dfrac{54-2}{1+2} = \dfrac{52}3 \\\\$

$\text{Equation of line,}\\\\~~~~~~~y - y_1 = m (x-x_1)\\\\\\\implies y-2 = \dfrac{52}3(x+2)~~~~~~~~~~~;[\text{Point-Slope form.]} \\\\\\\implies y-2 = \dfrac{52}3x + \dfrac{104}3\\\\\\\implies y = \dfrac{52}{3}x + \dfrac{104} 3 +2\\\\\\\implies y = \dfrac{52}3 x +\dfrac{110}3 ~~~~~~~~~~~~~~~;[\text{Slope -Intercept form}]$

6 0

2 years ago

BRAINLIESTI HAVE 10 MINS

VladimirAG [237]

Correction -125* I think

7 0

3 years ago

6) (3x+3)(x - 1)<br> A) 3x² – 3<br> B) 16x² + 28x - 8<br> C) 16x + 36x + 8<br> D) 16x2 + 8

telo118 [61]

Answer:

the answer to this is

$3x {}^{2} - 3$

6 0

3 years ago

Would anyone be willing to helppp? I’ll be giving brainliest when I get the chance too

anyanavicka [17]

Step-by-step explanation:

1. add the numbers all together

(of the pets)

= 40 pets total

40 pets =100%

1 pet = 2.5%

percents:

Cat= 10, or 25%

Dog = 15, or 37.5 %

fish=8 or 20%

bird= 7 or 17.5%

angles:

dog= 135

cat= 90

fish= 72

bird= 63

5 0

3 years ago

Help me yall plsplsplpsls

Ostrovityanka [42]

Answer:

no you cant use these three ratios for any right triangle

Step-by-step explanation:

Ratios: 0.38, 0.93, 0.36

0.38 I \ 0.93 right triangle

I \

I_____\

0.36

so this means a^2 + b^2 = c^2 would be true if these ratio worked

(0.36)^2 + (0.38)^2 = (0.93)^2

0.1296 + 0.1444 = 0.8649 NOT TRUE

6 0

2 years ago