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Ede4ka [16]
3 years ago
9

30 pens cost $12.50. how much is 75 pens cost

Mathematics
1 answer:
Mice21 [21]3 years ago
5 0

Answer:$31.25

Step-by-step explanation:

$12.50/30=$.42each*75=$31.25

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Can someone help me with this math work my brain broke-
marta [7]

Answer:

1. 90

2.60

3.30

4. 40

5. 80

6. 60

7. 30

8. 30

9. 120

Total for all triangles=180

Step-by-step explanation:

In all the problems, you have to solve for y.  This can be done because the three angles are supplementary  For example, in the first diagram, you have:

3y+2y+y=180

6y=180

y=30

It's fairly easy to solve from there.  Just more multiplying and subtracting.

8 0
2 years ago
What is the domain for math?
Serggg [28]

Step-by-step explanation:

The domain of a function is the complete set of possible values of the independent variable. In plain English, this definition means: The domain is the set of all possible x-values which will make the function "work", and will output real y-values.

8 0
3 years ago
Read 2 more answers
Solve the equation for m. Show your work -40 - 6m + 1 = - 2
bekas [8.4K]

Answer:

\bold{m \ = \ \frac{-37}{6} \ Or  \ -6.16666666667}

Explanation:

-40 - 6m + 1 = - 2

  • Simplify Both Sides Of The Equation

−40 − 6m + 1 = −2

−40 + −6m + 1 = −2

(−6m) + (−40 + 1) = −2 (Combine Like Terms)

−6m + −39 = −2

= −6m − 39 = −2

  • Add 39 To Both Sides

−6m − 39 + 39 = −2 + 39

−6m = 37

  • Divide Both Sides By -6

-6m / -6 = 37 / -6

  • Simplify

\bold{m \ = \ \frac{-37}{6} \ Or  \ -6.16666666667}

- PNW

4 0
3 years ago
PLEASE HELP ME SOLVE FOR X
jeka57 [31]

Looks like the labeled angle is bisected, in which case we can apply the angle bisector theorem. For this triangle, it says

\dfrac x3=\dfrac{x+2}{x+4}

Solve for x:

x(x+4)=3(x+2)

x^2+4x=3x+6

x^2+x-6=0

(x+3)(x-2)=0

Then either x=-3 or x=2, but since x is a length, it must be positive. So <em>x</em> = 2.

8 0
2 years ago
HELP! im sooooooooooo confused
Mama L [17]

Answer:

wow this is hard let me do the math hold on

Step-by-step explanation:

6 0
2 years ago
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