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mrs_skeptik [129]
3 years ago
7

Please help asap 25 pts

Mathematics
1 answer:
USPshnik [31]3 years ago
5 0

The answer is C.

Just plug in x = 1 for each of them.  The correct one is the one that gives y = 5, which is C.

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Solve for w k=2b-5w/3k
nlexa [21]
k = \frac{2b - 5w}{3k}
3k^{2} = 2b - 5w
3k^{2} + 5w = 2b
5w = 2b - 3k^{2}
w = \frac{2}{5}b - \frac{3}{5}k^{2}
7 0
3 years ago
Read 2 more answers
52 998 x 67 = (1,000 - 998) x 67
Tresset [83]

Given:

\to \bold{52,998 \times 67 = (1,000 - 998)  \times 67}

To find:

Proving

Solution:

\to \bold{52,998 \times 67 = (1,000 - 998)  \times 67}

Solving L.H.S part:

\to \bold{52,998 \times 67}\\\\\to \bold{3,550,866}\\\\

Solving R.H.S part:

\to \bold{(1,000 -998) \times 67}\\\\\to \bold{(2) \times 67}\\\\\to \bold{ 134 }\\\\

Therefore \bold{L.H.S \bold{\neq} R.H.S}

Learn more:

brainly.com/question/24706365

8 0
2 years ago
Can someone help me?
olchik [2.2K]

Answer:

with what

Step-by-step explanation:

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4 0
2 years ago
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In a class, there are 20 girls and 10 boys. What is the percentage of the boys?​
gayaneshka [121]

Answer:

33.33%

Step-by-step explanation:

  • Number of boys=10
  • Number of girls=20
  • Total number of students=

Number of boys + Number of girls

10+20

30

  • Percentage of boys=

10/30×100%

33.33%

4 0
3 years ago
I need help seeing what I did wrong
Makovka662 [10]

Answer:  The two roots are x = 3/2 and x = -2

=========================================================

Explanation:

You have the right idea so far. But the two numbers should be 3 and -4 since

  • 3*(-4) = -12
  • 3+(-4) = -1

The -1 being the coefficient of the x term.

This means you need to change the -3x and 4x to 3x and -4x respectively. The other inner boxes are correct.

---------

Refer to the diagram below to see one way to fill out the box method, and that helps determine the factorization.

If we place a 2x to the left of -2x^2, then we need an -x up top because 2x*(-x) = -2x^2

Then based on that outer 2x, we need a -2 up top over the -4x. That way we get 2x*(-2) = -4x

So we have the factor -x-2 along the top

The last thing missing is the -3 to the left of 3x. Note how -3*(-x) = 3x in the left corner and -3*(-2) = 6 in the lower right corner.

We have the factor 2x-3 along the left side.

---------

The two factors are (2x-3) and (-x-2) which leads to the factorization (x+3)(-x+2)

The last thing to do is set each factor equal to 0 and solve for x

  • 2x-3 = 0 solves to x = 3/2 = 1.5
  • -x-2 = 0 solves to x = -2

The two roots are x = 3/2 and x = -2

8 0
3 years ago
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