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Rus_ich [418]
3 years ago
7

Answer it for me now

Mathematics
1 answer:
zhenek [66]3 years ago
8 0

Step-by-step explanation:

Angle A = Angle B

so , Angle A = 38°

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HELP ME PLS!!!! asap!!!!
Andrews [41]

Answer: Calvin has 13 quarters.


Step-by-step explanation:

Let Calvin have  x quarters.  

therefore amount of Calvin =  0.25 x    [ 1 quarter =  $0.25 ]

Number of dimes for Sara = x  

      [ Given that number of dimes of Sara = number of  quarters of Calvin

Amount of dimes for Sasha = 0.1x  [ 1 dime = $0.1 ]

Amount of Sasha without dime =  $1.95  [ given]

total amount of Sasha = 1.95 =+ 0.1x

Since amount of Calvin and Sasha is same  therefore

        0.25x  = 1.95 +0.1x

      0.25x -0.1x = 1.95

       0.15x = 1.95

           x = \frac{1.95}{0.15}

           x = 13

5 0
3 years ago
2+3x=-4(5+2x) solve for x, help please
Misha Larkins [42]

Answer:

x=-2

Step-by-step explanation:

2+3x=-4.(5+2x)

Expand  \: the  \: parentheses:

2 + 3x =  - 4.5 - 4.2x

Simplify \:  the \:  arithmetic:

2 + 3x =  - 20 - 4.2x

Solve \:  by \:  distributing:

2 + 3x =  - 20 - 8x

Group  \: all \:  x  \: terms \:  on \:  the  \: left  \: \\  side \:  of  \: the \:  equation

2 + 3x =  - 20 - 8x

Add  \: 8x \:  to  \: both \:  sides:

2 + 3x + 8x =  - 8x  + 8x

Simplify  \: the \:  arithmetic:

11x + 2 =  - 20 - 8x + 8x

Group \:  like  \: terms:

11x + 2 =  - 8x + 8x - 20

Group \:  all  \: constants \:  on \:  the \:  right  \\  \: side \:  of  \: the \:  equation

11x + 2 =  - 8x + 8x - 20

Subtract \:  2  \: from  \: both \:  sides:

11x + 2 -  =  - 20 - 2

Simplify \:  the  \: arithmetic:

11x =  - 20 - 2

Simplify  \: the \:  arithmetic:

11x =  - 22

Isolate \:  the \:  x

11x =  - 22

Divide  \: both \:  sides \:  by  \: 11:

\frac{11x}{11}  =  \frac{ - 22}{11}

Simplify \:  the \:  fraction:

x =  \frac{ - 22}{11}

Find  \: the \:  greatest \:  common \:  factor  \\  \: of  \: the  \: numerator \:  and  \: denominator:

x =  \frac{ - 2.11}{1.11}

Factor \:  out  \: and \:  cancel  \: the \:  greatest   \\ \: common \:  factor:

x =  - 2

Thanks!!!!!!!

4 0
3 years ago
Read 2 more answers
What is x×x? X multiplied by x​
mina [271]

Answer:

x^2

here's your solution

=>. when any number. get multiplied with

same number then it bwcome square

=>. so, same thing will happen to X also

=>. ( x * x ). =. x^2

4 0
3 years ago
Melissa rolls two number cubes, each with sides that are labeled 1 to 6. What is the probability that both number cubes show a 1
Sati [7]

Answer:

1/36

Step-by-step explanation:

(1/6 * 1/6) = 1/36

7 0
3 years ago
Find the inverse of f(x) = x^2 - 7
blondinia [14]

Answer:

y =  ±  sqrt(x+7)

Step-by-step explanation:

y = x^2 -7        solve for 'x'     .... add 7 to both sides

y+7  = x^2         sqrt both sides

+- sqrt(y+7)  = x        switch 'x' and 'y'

y = +- sqrt(x+7)

3 0
2 years ago
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